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Updated Regularly
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April 2, 2010 –3:00 AM Updat
This will be the last update for this storm event.
Wachusett Reservoir
The Wachusett Reservoir has crested and the level is continuing to decrease slowly. Current elevation is 395.73 (down 0.02’ from the last report). There is 1,015 mgd spilling over the spillway. There has been no transfer of water from Quabbin Reservoir to Wachusett Reservoir since February 2010.
Quabbin Reservoir
The Quabbin Reservoir is at elevation 530.60, with no change since last report. Spilling at 677 mgd.
Other Western Operations
The Sudbury Reservoir continues to decrease its elevation slowly and is at elevation 259.23, a decrease of 0.02’ as the last report. The reservoir is spilling 72 mgd (spillway crest at 259.0 elevation).
Reservoir # 3 also continues to lower and is at 185.98, a decrease 0.03' since the last report – spilling at 137 mgd, (spillway crest at 185.25).
Metropolitan Boston Sewerage System
All MWRA sewer facilities continue to be operational at this time. The MWRA system is still at or near capacity and just starting to lower slightly.
South System
The Nut Island Headworks/IPS is currently running at about 338 mgd. Deer Island has been able to maintain this flow.
Deer Island
The Deer Island Treatment Plant is processing at a rate of about 890 mgd.
Clinton Treatment Plant
Plant flow at 10.3 MGD, continues to slowly decline.
Nashua River continues to recede slowly from the plant area.
April 2, 2010 –7:30 AM Update
Wachusett Reservoir
The Wachusett Reservoir has crested and the level is continuing to decrease slowly. Current elevation is 395.80 (down 0.13’ from the last report). There is 1,120 mgd spilling over the spillway (versus 1,350 from the last reading).
There has been no transfer of water from Quabbin Reservoir to Wachusett Reservoir since February 2010.
Quabbin Reservoir
The Quabbin Reservoir is at elevation 530.61, an increase of 0.01’ since last report (6 PM report). Spilling at 690 mgd.
Other Western Operations
The Sudbury Reservoir continues to decrease its elevation slowly and is at elevation 259.27, a decrease of 0.07’as the last report. The reservoir is spilling 90 mgd (spillway crest at 259.0 elevation).
Reservoir # 3 also continues to lower and is at 186.08, a decrease 0.15' since the last report – spilling at 116 mgd, (spillway crest at 185.25).
Metropolitan Boston Sewerage System
All MWRA sewer facilities continue to be operational at this time. The MWRA system is still at or near capacity and just starting to lower slightly.
South System
The Nut Island Headworks/IPS is currently running at about 345 mgd. Deer Island has been able to maintain this flow.
Deer Island
The Deer Island Treatment Plant is processing at a rate of about 850 mgd.
Clinton Treatment Plant
Plant flow at 10.2 MGD, continues to slowly decline.
Nashua River continues to recede slowly from the plant area.
April 1, 2010 – 11:00 PM Update
Wachusett Reservoir
The Wachusett Reservoir has crested and the level is continuing to decrease very slowly. Current elevation is 395.93 (down 0.04’ from the 6:00 PM reading). There is 1,350 mgd spilling over the spillway (versus 1,450 from the last reading).
There has been no transfer of water from Quabbin Reservoir to Wachusett Reservoir since February 2010.
Quabbin Reservoir
The Quabbin Reservoir is at elevation 530.60, an increase of 0.01’ since last report (6 PM report). Spilling at 670 mgd.
Other Western Operations
The Sudbury Reservoir is at elevation 259.34, a decrease of 0.03’as thelast report, spilling 130 mgd (spillway crest at 259.0 elevation).
Reservoir # 3 is at 186.23, a decrease 0.06' since the last report– spilling at 210 mgd, (spillway crest at 185.25).
Metropolitan Boston Sewerage System
Total rainfall at Chelsea was 5.09”. All MWRA sewer facilities are operational at this time. The MWRA system is still at or near capacity.
South System
The Nut Island Headworks/IPS is currently running at about 350 mgd. Deer Island has been able to maintain this flow.
Deer Island
The Deer Island Treatment Plant is processing at a rate of about 928 mgd.
Clinton Treatment Plant
Plant flow at 10.5 MGD, continues to slowly decline.
No change in the Nashua River flow into the plant area since the last report.
April 1, 2010 – 6:30 PM Update
Wachusett Reservoir
The Wachusett Reservoir has crested and the level is continuing to decrease very slowly. Current elevation is 395.97 (down 0.04’ from the last report). There is 1,450 mgd spilling over the spillway (versus 1,490 from the last reading).
There has been no transfer of water from Quabbin Reservoir to Wachusett Reservoir since February 2010.
Quabbin Reservoir
The Quabbin Reservoir is at elevation 530.59, a decrease of 0.01’ since last report. Spilling at 660 mgd.
Other Western Operations
The Sudbury Reservoir is at elevation 259.37, a decrease of 0.02’as the last report, spilling 145 mgd (spillway crest at 259.0 elevation). Sudbury has dropped 0.3’ since it crested yesterday.
Reservoir # 3 is at 186.29, a decrease 0.05' since the last report – spilling at 230 mgd, (spillway crest at 185.25). Res #3 has dropped about 0.5’ since it crested yesterday.
Metropolitan Boston Sewerage System
Total rainfall at Chelsea was 5.09”. All MWRA sewer facilities are operational at this time. The MWRA system is still at or near capacity.
South System
The Nut Island Headworks/IPS is currently running at about 350 mgd (about a 10 mgd drop throughout the day). Deer Island has been able to maintain this flow.
Deer Island
The Deer Island Treatment Plant is processing at a rate of about 957 mgd.
Clinton Treatment Plant
Plant flow above 11.2 MGD.
No change in the Nashua River flow into the plant area since the last report.
April 1, 2010 – 3:30 PM Update
Wachusett Reservoir
The Wachusett Reservoir has crested (dropped 0.26’ from yesterday’s crest) and the level is continuing to decrease very slowly. Current elevation is 396.01 (down 0.03’ from the 1 PM reading). There is 1490 mgd spilling over the spillway (versus 1,540 from the last reading).
There has been no transfer of water from Quabbin Reservoir to Wachusett Reservoir since February 2010.
Quabbin Reservoir
The Quabbin Reservoir is at elevation 530.59, a decrease of 0.01’ since last report (3 PM report). Spilling at 660 mgd.
Other Western Operations
The Sudbury Reservoir is at elevation 259.39, a decrease of 0.02’ from last report, spilling 160 mgd (spillway crest at 259.0 elevation). Sudbury has dropped 0.3’ since it crested yesterday.
Reservoir # 3 is at 186.34, a decrease 0.05' since the last report – spilling at 250 mgd, (spillway crest at 185.25). Res #3 has dropped about 0.5’ since it crested yesterday.
Metropolitan Boston Sewerage System
Total rainfall at Chelsea was 5.09”. All MWRA sewer facilities are operational at this time. The MWRA system is still at or near capacity.
South System
The Nut Island Headworks/IPS is currently running at about 342 mgd (about a 10 mgd drop throughout the day). Deer Island has been able to maintain this flow.
Deer Island
The Deer Island Treatment Plant is processing at a rate of about 977 mgd.
Clinton Treatment Plant
Plant flow above 11.4 MGD.
No change in the Nashua River flow into the plant area since the last report.
April 1, 2010 –10:00 AM Update
Wachusett Reservoir
The Wachusett Reservoir has crested and the level is continuing to decrease very slowly. Current elevation is 396.04 (down 0.02’ from the 10 AM reading). There is 1540 mgd spilling over the spillway (versus 1,580 from the last reading).
The two major tributaries have crested and are dropping, although still discharging large volumes (6 times median flows).
There has been no transfer of water from Quabbin Reservoir to Wachusett Reservoir since February 2010.
Quabbin Reservoir
The Quabbin Reservoir is at elevation 530.59, the same as last report (10 AM report). Spilling at 670 mgd.
Other Western Operations
The Sudbury Reservoir is at elevation 259.41, a decrease of 0.04’ from last report, spilling 170 mgd (spillway crest at 259.0 elevation).
Reservoir # 3 is at 186.39, a decrease 0.06' since the last report – spilling at 270 mgd, a decrease of 20 mgd since last report (spillway crest at 185.25).
Metropolitan Boston Sewerage System
Total rainfall at Chelsea is 5.09. All MWRA sewer facilities are operational at this time. CSO facilities have come off line. The MWRA system is still at or near capacity.
South System
The Nut Island Headworks/IPS is currently running at about 350 mgd (this remains steady). Deer Island has been able to maintain this flow.
Deer Island
The Deer Island Treatment Plant is processing at a rate of about 955 mgd.
Clinton Treatment Plant
Plant flow above 11.4 MGD.
Slight reduction of Nashua River flow into the plant area since the last report.
Wachusett Reservoir
The Wachusett Reservoir has crested and the level is continuing to decrease very slowly. Current elevation is 396.06 (down 0.06’ from the 7 AM reading). There is 1580 mgd spilling over the spillway (versus 1,688 from the last reading).
The two major tributaries have crested and are dropping, although still discharging large volumes (6 times median flows).
There has been no transfer of water from Quabbin Reservoir to Wachusett Reservoir since February 2010.
Quabbin Reservoir
The Quabbin Reservoir is at elevation 530.59 , the same as last report (7 AM report). Spilling at 664 mgd.
Other Western Operations
The Sudbury Reservoir is at elevation 259.45, a decrease of 0.03’ from last report, spilling 195 mgd (spillway crest at 259.0 elevation).
Reservoir # 3 is at 186.45, a decrease 0.07' since the last report – spilling at 290 mgd, a decrease of 20 mgd since last report (spillway crest at 185.25).
Metropolitan Boston Sewerage System
Total rainfall at Chelsea is 5.09. All MWRA sewer facilities are operational at this time. CSO facilities have come off line. The MWRA system is still at or near capacity.
South System
The Nut Island Headworks/IPS is currently running at about 350 mgd (this remains steady). Deer Island has been able to maintain this flow.
Deer Island
The Deer Island Treatment Plant is processing at a rate of about 955 mgd.
Clinton Treatment Plant
Plant flow above 12.0 MGD (flow meter pegged).
Slight reduction of Nashua River flow into the plant area since the last report.
April 1, 2010 –7:00 AM Update
Wachusett Reservoir
The Wachusett Reservoir level is 396.12 (down 0.04’ from the 3 AM reading). The reservoir has crested. There is 1688 mgd spilling over the spillway (versus 1,760 from the last reading).
The two major tributaries have crested and are dropping, although still discharging large volumes (6 times median flows). Based upon rainfall and weather forecasts, the MWRA expects that the volume over the spillway to continue at a level similar to the storm of March 13th.
There has been no transfer of water from Quabbin Reservoir to Wachusett Reservoir since February 2010.
Quabbin Reservoir
The Quabbin Reservoir is at elevation 530.59 (0.03’ higher than the 3 AM report). Spilling at 664 mgd.
Other Western Operations
The Sudbury Reservoir is at elevation 259.48, a decrease of 0.04’ from last report, spilling 215 mgd (spillway crest at 259.0 elevation).
Reservoir # 3 is at 186.52, a slight decrease 0.09' since the last report – spilling at 310 mgd, a decrease of 40 mgd since last report (spillway crest at 185.25).
Metropolitan Boston Sewerage System
Total rainfall at Chelsea is 5.09. All MWRA sewer facilities are operational at this time. CSO facilities have come off line. The MWRA system is still at or near capacity.
South System
The Nut Island Headworks/IPS is currently running at about 348 mgd (this remains steady). Deer Island has been able to maintain this flow.
Deer Island
The Deer Island Treatment Plant is processing at a rate of about 953 mgd.
Clinton Treatment Plant
Plant flow above 12.0 MGD (flow meter pegged).
No change in the Nashua River elevation since the last report.
April 1, 2010 –3:00 AM Update
Wachusett Reservoir
The Wachusett Reservoir level is 396.16 (down 0.17’ from the 10 PM reading). The reservoir has crested. There is 1,760 mgd spilling over the spillway (versus 1,900 from the last reading).
The two major tributaries have crested and are dropping, although still discharging large volumes (6 times median flows). Based upon rainfall and weather forecasts, the MWRA expects that the volume over the spillway to continue at a level similar to the storm of March 13th.
There has been no transfer of water from Quabbin Reservoir to Wachusett Reservoir since February 2010.
Quabbin Reservoir
The Quabbin Reservoir is at elevation 530.56 (0.01’ higher than the 10 PM report). Spilling at 625 mgd.
Other Western Operations
The Sudbury Reservoir is at elevation 259.52, a decrease of 0.08’ from last report, spilling 240 mgd (spillway crest at 259.0 elevation).
Reservoir # 3 is at 186.61, a slight decrease 0.13' since the last report – spilling at 350 mgd, a decrease of 40 mgd since last report (spillway crest at 185.25).
Metropolitan Boston Sewerage System
Total rainfall at Chelsea is 5.09. All MWRA sewer facilities are operational at this time. CSO facilities have come off line. The MWRA system is still at or near capacity.
South System
The Nut Island Headworks/IPS is currently running at about 352 mgd (this remains steady). Deer Island has been able to maintain this flow.
Deer Island
The Deer Island Treatment Plant is processing at a rate of about 1,019 mgd.
Clinton Treatment Plant
Plant flow above 12.0 MGD (flow meter pegged).
No change in the Nashua River elevation since the last report.
March 31, 2010 –10:00 PM Update
Wachusett Reservoir
The Wachusett Reservoir level is 396.23 (down 0.02’ from the 6 PM reading). The reservoir has crested. There is 1,900 mgd spilling over the spillway (versus 1,940 from the last reading).
The two major tributaries have crested and are dropping, although still discharging large volumes (8 times median flows). Based upon rainfall and weather forecasts, the MWRA expects that the volume over the spillway to continue at a level similar to the storm of March 13th.
There has been no transfer of water from Quabbin Reservoir to Wachusett Reservoir since February 2010.
Quabbin Reservoir
The Quabbin Reservoir is at elevation 530.56 (0.01’ higher than the 6 PM report). Spilling at 625 mgd.
Other Western Operations
The Sudbury Reservoir is at elevation 259.60, a decrease of 0.96’ from last report, spilling 300 mgd (spillway crest at 259.0 elevation).
Reservoir # 3 is at 186.74, a slight decrease 0.06' since the last report – spilling at 390 mgd, a decrease of 20 mgd since last report (spillway crest at 185.25).
Metropolitan Boston Sewerage System
Total rainfall at Chelsea is 5.09. All MWRA sewer facilities are operational at this time. CSO facilities have come off line. The MWRA system is still at or near capacity.
South System
The Nut Island Headworks/IPS is currently running at about 359 mgd (this remains steady). Deer Island has been able to maintain this flow.
Deer Island
The Deer Island Treatment Plant is processing at a rate of about 1,069 mgd.
Clinton Treatment Plant
Plant flow above 12.0 MGD (flow meter pegged).
No change in the Nashua River elevation since the last report.
March 31, 2010 –6:00 PM Update
Wachusett Reservoir
The Wachusett Reservoir level is 396.25 (down 0.02’ from the 3 PM reading). The reservoir has crested. There is 1,940 mgd spilling over the spillway (versus 1,980 from the last reading).
The two major tributaries have crested and are dropping, although still discharging large volumes (8 to 10 times median flows). Based upon rainfall and weather forecasts, the MWRA expects that the volume over the spillway to continue at a level similar to the storm of March 13th.
There has been no transfer of water from Quabbin Reservoir to Wachusett Reservoir since February 2010.
Quabbin Reservoir
The Quabbin Reservoir is at elevation 530.55 (0.15’ higher than the 3 PM report). Spilling at 610 mgd.
Other Western Operations
The Sudbury Reservoir is at elevation 258.64, a decrease of 0.03’ from last report, spilling 330 mgd (spillway crest at 259.0 elevation).
Reservoir # 3 is at 186.80, a slight decrease 0.03' since the last report – spilling at 410 mgd, a decrease of 10 mgd since last report (spillway crest at 185.25).
Metropolitan Boston Sewerage System
Total rainfall at Chelsea is 5.09. All MWRA sewer facilities are operational at this time. CSO facilities have come off line. The MWRA system is still at or near capacity.
South System
The Nut Island Headworks/IPS is currently running at about 358 mgd (this remains steady). Deer Island has been able to maintain this flow.
Deer Island
The Deer Island Treatment Plant is processing at a rate of about 1,096 mgd.
Clinton Treatment Plant
Plant flow above 12.0 MGD (flow meter pegged).
No change in the Nashua River elevation since the last report.
Wachusett Reservoir
The Wachusett Reservoir level is 396.27, same as last reading. There is 1,980 mgd spilling over the spillway, again the same as last reading.
Two major tributaries have crested, although still discharging large volumes. The Wachusett spillway has not yet crested. MWRA expects the spillway to crest late this afternoon/evening. Based upon rainfall and weather forecasts, the MWRA expects that the volume over the spillway will continue to rise to a level at least similar to the storm of March 13th..
There has been no transfer of water from Quabbin Reservoir to Wachusett Reservoir since February 2010.
Quabbin Reservoir
The Quabbin Reservoir is at 530.4, about the same as last reading. Spilling at 500 mgd.
Other Western Operations
The Sudbury Reservoir is at elevation 259.67, very slight decrease from last report, spilling 354 mgd (spillway crest at 259.0 elevation).
Reservoir # 3 is at 186.83, a very slight decrease 0.02' since the last report – spilling at 420 mgd, a decrease of 5 mgd since last report (spillway crest at 185.25).
Metropolitan Boston Sewerage System
Total rainfall at Chelsea is 5.09. All MWRA sewer facilities are operational at this time. CSO facilities have come off line. The MWRA system is at or near capacity.
South System
The Nut Island Headworks/IPS is currently running at about 362 mgd. Deer Island has been able to maintain this flow based upon rain to date.
Deer Island
The Deer Island Treatment Plant is processing at a rate of about 1,137 mgd.
Clinton Treatment Plant
Plant flow above 12.0 MGD (flow meter pegged).
The Nashua River continues to rise into the plant.
31 March 2010 –12:00 Noon Update:
Wachusett Reservoir
The Wachusett Reservoir level is 396.27, an increase of 0.05 since the last reading. There is 1,980 mgd spilling over the spillway, up almost 100 mgd since the last report. Two major tributaries have crested, although still discharging large volumes. The Wachusett spillway has not yet crested. MWRA expects the spillway to crest late this afternoon/evening. Based upon rainfall to date and weather forecasts, the MWRA expects that the volume over the spillway will continue to rise to a level at least similar to the storm of March 13th.. There has been no transfer of water from Quabbin Reservoir to Wachusett Reservoir since February 2010.
Quabbin Reservoir
The Quabbin Reservoir is at 530.5 (adjusted). Spilling at 560 mgd.
Other Western Operations
The Sudbury Reservoir is at elevation 259.69, same as last report, spilling 370 mgd (spillway crest at 259.0 elevation). Reservoir # 3 is at 186.85, an increase of 0.04' since the last report – spilling at 425 mgd, an increase of 15 mgd since last report(spillway crest at 185.25).
Metropolitan Boston Sewerage System
Total rainfall at Chelsea is 5.09. All MWRA sewer facilities are operational at this time. CSO facilities have come off line. The MWRA system is at or near capacity. Next high tide will be at 12:56PM
South System The Nut Island Headworks/IPS is currently running at about 364 mgd. Deer Island has been able to maintain this flow based upon rain to date.
Deer Island The Deer Island Treatment Plant is processing at a rate of about 1,148 mgd.
Clinton Treatment Plant Plant flow above 12.0 MGD (flow meter pegged). The Nashua River continues to rise into the plant.
Wachusett Reservoir
The Wachusett Reservoir level is 396.22. There is 1,880 mgd spilling over the spillway, up almost 80 MGD since the last report.
Two major tributaries have crested, although still discharging large volumes. The Wachusett spillway has not yet crested. MWRA expects the spillway to crest late this afternoon. Based upon rainfall to date and weather forecasts, the MWRA expects that the volume over the spillway will continue to rise to a level at least similar to the storm of March 13th..
There has been no transfer of water from Quabbin Reservoir to Wachusett Reservoir since February 2010.
Quabbin Reservoir
The Quabbin Reservoir is at 530.57 up 0.01' since the last report. Spilling at 650 MGD.
Other Western Operations
The Sudbury Reservoir is at elevation 259.69, same as last report and rising, spilling 378 MGD (spillway crest at 259.0 elevation).
Reservoir # 3 is at 186.81, down 0.02' since the last report – spilling at 410 MGD, same as last report (spillway crest at 185.25).
Metropolitan Boston Sewerage System
Total rainfall at Chelsea is 5.09 inches. All MWRA sewer facilities are operational at this time. CSO Facilities have come off line. The MWRA system is at or near capacity. Next High tide will be at 12:56PM.
South System
The Nut Island Headworks/IPS is currently running at about 364 MGD. Deer Island has been able to maintain this flow based upon rain to date.
Deer Island
The Deer Island Treatment Plant is processing at a rate of about 1,167 MGD.
Clinton Treatment Plant
Plant flow above 12.0 MGD (flow meter pegged).
The Nashua River continues to rise into the plant.
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Wachusett Reservoir
The Wachusett Reservoir level is 396.19. There is 1,801 mgd spilling over the spillway, up almost 120 MGD since the last report.
Tributaries are still rising. Based upon rainfall to date and weather forecasts, the MWRA expects that the volume over the spillway will continue to rise to a level at least similar to the storm of March 13th..
Quabbin Reservoir
The Quabbin Reservoir is at 530.56 up 0.01' since the last report. Spilling at 613 MGD.
Other Western Operations
The Sudbury Reservoir 259.70 up 0.03' since the last report and rising, spilling 378 MGD (spillway crest at 259.0 elevation). Reservoir # 3 is at 186.8 up 0.08' since the last report and rising steadily – spilling at 410 MGD (spillway crest at 185.25).
Metropolitan Boston Sewerage System
Total rainfall at Chelsea is 5.09. All MWRA sewer facilities are operational at this time. CSO Facilities are coming off line. The MWRA system is at or near capacity. Next High tide will be at 12:56PM
South System
The Nut Island Headworks/IPS is currently running at about 364 MGD. Deer Island has been able to maintain this flow based upon rain to date.
Deer Island
The Deer Island Treatment Plant is processing at a rate of about 1,137 MGD.
Clinton Treatment Plant
Plant flow above 12.0 MGD (flow meter pegged).
The Nashua River continues to rise into the plant (160 ft past the rear gate).
Wachusett Reservoir
The Wachusett Reservoir level is 396.11. There is 1,681 mgd spilling over the spillway, up almost 378 MGD since the last report. Tributaries are still rising. Based upon rainfall to date and weather forecasts, the MWRA expects that the volume over the spillway will continue to rise to a level at least similar to the storm of March 13th..
Quabbin Reservoir
The Quabbin Reservoir is at 530.55 up 0.05' since the last repor. Spilling at 613 MGD.
Other Western Operations
The Sudbury Reservoir 259.67 up 0.10' since the last repor and rising rapidly, spilling 362 MGD (spillway crest at 259.0 elevation).
Reservoir # 3 is at 186.72 up 0.32' since the last repor and rising steadily – spilling at 305 MGD (spillway crest at 185.25).
Metropolitan Boston Sewerage System
Total rainfall at Chelsea is 5.06. All MWRA sewer facilities are operational at this time. The MWRA system is at or near capacity. High tide has passed. Next high tide will be at 12:56PM.
South System
The Nut Island Headworks/IPS is currently running at about 373 MGD. Deer Island has been able to maintain this flow based upon rain to date.
Deer Island
The Deer Island Treatment Plant is processing at a rate of about 1,230 MGD.
Clinton Treatment Plant
Plant flow above 12.0 MGD (flow meter pegged).
The Nashua River continues to rise into the plant (150 ft within the rear gate).
30 March 2010 –1815 (10:00 PM) Update:
Wachusett Reservoir
The Wachusett Reservoir level is 395.91. There is 1,310 mgd spilling over the spillway, up almost 558 MGD since the last report.
Tributaries are still rising. Based upon rainfall to date and weather forecasts, the MWRA expects that the volume over the spillway will continue to rise to a level at least similar to the storm of March 13th..
Quabbin Reservoir
The Quabbin Reservoir is at 530.50 up 0.05' since the last report. Spilling at 558 MGD.
Other Western Operations
The Sudbury Reservoir 259.57 up 0.15' since the last report and rising rapidly, spilling 278 MGD (spillway crest at 259.0 elevation).
Reservoir 3 is at 186.40 up 0.25' since the last report and rising steadily; spilling at 270 MGD (spillway crest at 185.25).
Metropolitan Boston Sewerage System
Total rainfall at Chelsea is 4.80. All MWRA sewer facilities are operational at this time. The MWRA system is at or near capacity. High tide will be at 0026 hrs tomorrow and will be 11.39 ft.
South System
The Nut Island Headworks/IPS is currently running at about 374 MGD. Deer Island has been able to maintain this flow based upon rain to date.
Deer Island
The Deer Island Treatment Plant is processing at a rate of about 1,262 MGD.
Clinton Treatment Plant
Plant flow above 12.0 MGD (flow meter pegged).
The Nashua River continues to rise into the plant (within 30 ft of the rear gate).
30 March 2010 –1815 (6:15 PM) Update:
Wachusett Reservoir
The Cosgrove rain gage is at 6.69" up about 2.5" since the last report.
The Wachusett Reservoir level is 395.76. There is 1,063 mgd spilling over the spillway, up almost 300 MGD since the last report.
Tributaries are still rising. Based upon rainfall to date and weather forecasts, the MWRA expects that the volume over the spillway will continue to rise to a level at least similar to the storm of March 13th..
Quabbin Reservoir
The Quabbin Reservoir is at 530.48 up 0.10' since the last report. Spilling at 535 MGD. The Winsor rain gage is indicating 1.35 inches of rain up 0.06" since the last report.
Other Western Operations
The Sudbury Reservoir 259.42 up 0.26' since the last report and rising rapidly, spilling 176 MGD (spillway crest at 259.0 elevation).
Reservoir 3 is at 186.06 up 0.54' since the last report and rising steadily – spilling at 160 MGD (spillway crest at 185.25).
Metropolitan Boston Sewerage System
Total rainfall at Chelsea is 4.59. All MWRA sewer facilities are operational at this time. The MWRA system is at or near capacity. High tide will be at 0026 hrs tomorrow and will be 11.39 ft.
South System
The Nut Island Headworks/IPS is currently running at about 381 MGD. Deer Island has been able to maintain this flow based upon rain to date.
Deer Island
The Deer Island Treatment Plant is processing at a rate of about 1,306 MGD.
Clinton Treatment Plant
Plant flow above 12.0 MGD (flow meter pegged).
The Nashua River continues to rise into the plant (within 20 ft of the rear gate).
30 March 2010 –1600 (4:00 PM) Update:
Wachusett Reservoir
Wachusett Reservoir The Cosgrove rain gage is at 4.31" up 0.04" since the last report The Wachusett Reservoir level is 395.53. There is 738 mgd spilling over the spillway, up 56 MGD since the last report. Tributaries are still rising. Based upon weather forecasts, the MWRA expects that the volume over the spillway will continue to rise to a level similar to the storm of March 13th.
Quabbin Reservoir
The Quabbin Reservoir is at 530.45 up 0.05' since the last report. The Winsor rain gage is indicating 1.29 inches of rain up 0.05" since the last report.
Other Western Operations
The Southborough rain gage is indicating 2.27 inches of rain, up 0.35” since the last report. The Sudbury Reservoir 259.16 up 0.07' since the last report and rising rapidly, spilling 7 MGD, up 4 MGD since the last report (spillway crest at 259.0 elevation). Reservoir 3 is at 185.52 up 0.17' since the last report and rising steadily (spillway crest at 185.25)
Sudbury River (Saxonville)
USGS gage indicating 1.15 feet over flood stage and rising.
Metropolitan Boston Sewerage System
Total rainfall at Chelsea is 4.46. All MWRA sewer facilities are operational at this time. The MWRA system is at or near capacity. High tide will be at 0026 hrs tomorrow and will be 11.39 ft.
South System
The Nut Island Headworks/IPS is currently running at 384.02 MGD. Deer Island has been able to maintain this flow based upon rain to date.
Deer Island
The Deer Island Treatment Plant is processing at a rate of 1306.55 MGD. Clinton Treatment Plant Plant flow at 10.8 MGD. The Nashua River is approaching the gate entrance at rear road (this has been our “gage” for river
elevation).
30 March 2010 –1330 (1:30 PM) Update:
Wachusett Reservoir
The Cosgrove rain gauge is at 4.31" up 0.04" since the last report
The Wachusett Reservoir level is 395.53 up 0.05' since last report and continues rising steadily. There is 738 mgd spilling over the spillway, up 56 MGD since the last report.
Tributaries are still rising. Based upon weather forecasts, the MWRA expects that the volume over the spillway will continue to rise to a level similar to the storm of March 13th.
Quabbin Reservoir
The Quabbin Reservoir is at 530.45 up 0.05' since the last report. The Winsor rain gage is indicating 1.29 inches of rain up 0.05" since the last report.
Other Western Operations
The Southborough rain gage is indicating 2.27 inches of rain, uo 0.35” since the last report.
The Sudbury Reservoir 259.16 up 0.07' since the last report and rising rapidly, spilling 7 MGD, up 4 MGD since the last report (spillway crest at 259.0 elevation).
Reservoir 3 is at 185.52 up 0.17' since the last report and rising steadily (spillway crest at 185.25)
Sudbury River (Saxonville) USGS gage indicating 1.15 feet over flood stage and rising.
Metropolitan Boston Sewerage System
Total rainfall at Chelsea is 03.80", or 0.51” per hour. All MWRA sewer facilities are operational at this time. The MWRA system is at or near capacity.
South System
The Nut Island Headworks/IPS is currently running at 369 MGD. Deer Island has been able to maintain this flow based upon rain to date.
Deer Island
The Deer Island Treatment Plant is processing at a rate of 1286 MGD, up 10 MGD since the last report.
Clinton Treatment Plant
Plant flow at 10.8 MGD.
The Nashua River is approaching the gate entrance at rear road (this has been our “gage” for river elevation).
30 March 2010 – 12:30 PM Update:
Wachusett Reservoir
The Cosgrove rain gauge is at 3.09" up 0.95" since last report.
The Wachusett Reservoir level is 395.49 up 0.05' since last report and continues rising steadily. There is 682 mgd spilling over the spillway, up 76 mgd since last report.
Tributaries are still rising. Based upon weather forecasts, the MWRA expects that the volume over the spillway will continue to rise to a level similar to the storm of March 13th.
Quabbin Reservoir
Quabbin Reservoir is at 530.40 up 0.11' since last report.
The Winsor rain gage is indicating 1. 1.24 inches of rain up 0.05" since the last report.
Other Western Operations
The Southborough rain gage is indicating 1.92 inches of rain.
The Sudbury Reservoir 259.09 up 0.04' since the last report and rising rapidly, spilling 7 MGD, up 4 MGD since the last report (spillway crest at 259.0 elevation).
Reservoir 3 is at 1 185.35 up 0.11' since the last report and and rising steadily (spillway crest at 185.25).
Sudbury River (Saxonville) USGS gage indicating 1.08 feet over flood stage up 0.17' since last reportand rising.
Metropolitan Boston Sewerage System
Total rainfall at Chelsea is 03.30". All MWRA sewer facilities are operational at this time. The MWRA system is at or near capacity.
South System
The Nut Island Headworks/IPS is currently running at 368.8 MGD.
Deer Island has been able to maintain this flow based upon rain to date.
Deer Island
The Deer Island Treatment Plant is processing at a rate of 1276 MGD, up 8 MGD since the last report.
Clinton Treatment Plant
Flow remains at 10.2 MGD. There is a slight rise in river elevation but it is still only entering plant at storm retention area.
30 March 2010 – 9:30 AM Update:
Wachusett Reservoir
The Wachusett Reservoir level is 395.42 and continues rising steadily. There is 580 MGD spilling over the spillway. The last report (08:30 am.) was 550 MGD. Tributaries are still rising. Based upon weather forecasts, the MWRA expects that the volume over the spillway will continue to rise to a level similar to the storm of March 13th.
Quabbin Reservoir
Quabbin Reservoir is at 530.26 BCB elevation and rising steadily. There is 325 MGD spilling over the full spillway, up 15 MGD from the last report. The Winsor rain gage is indicating 1.16 inches of rain.
Other Western Operations
The Southborough rain gage is indicating 1.92 inches of rain.
The Sudbury Reservoir 259.03 and rising rapidly, spilling 3 MGD. (spillway crest at 259.0 elevation)
Reservoir 3 = 185.19 and rising steadily (spillway crest at 185.25)
Sudbury River (Saxonville) USGS gage indicating 0.83 feet over flood stage, up .21 since last reportand rising.
Metropolitan Boston Sewerage System
Total rainfall at Chelsea is 03.00".
All MWRA sewer facilities are operational at this time. The MWRA system is at or near capacity.
South System
The Nut Island Headworks/IPS is currently running at 370 MGD. Deer Island has been able to maintain this flow based upon rain to date.
Deer Island
The Deer Island Treatment Plant is processing at a rate of 1225 MGD Total Flow.
Updated 31 March 2010 at 8:30 AM
Wachusett Reservoir
Cosgrove rain gage is indicating 1.90 inches of rain. .
The Wachusett Reservoir level is 395.40 Boston City Base (BCB) and continues rising steadily. There is 550 MGD spilling over the spillway. The last report (0630 hrs.) was 500 MGD.
Tributaries are still rising. Based upon weather forecasts, the MWRA expects that the volume over the spillway will continue to rise to a level similar to the storm of March 13th.
Quabbin Reservoir
Quabbin Reservoir is at 530.24 Boston City Base (BCB) elevation and rising steadily. There is 310 MGD spilling over the full spillway. The Winsor rain gage is indicating 1.16 inches of rain.
Other Western Operations
The Southborough rain gage is indicating 1.83 inches of rain.
The Sudbury Reservoir 258.97 and rising rapidly. (spillway crest at 259.0 elevation BCB)
Reservoir 3 = 185.15 and rising steadily (spillway crest at 185.25 BCB)
Sudbury River (Saxonville) USGS gage indicating 0.62 feet over flood stage and appears to be rising again.
Metropolitan Boston Sewerage System
Total rainfall at Chelsea is 02.97". All MWRA sewer facilities are operational at this time. The MWRA system is at or near capacity. Sewer Overflows are activated.
South System
The Nut Island Headworks/IPS is currently running at 360 MGD and has been holding steady. Deer Island has been able to maintain this flow based upon rain to date.
Deer Island
The Deer Island Treatment Plant is processing at a rate of 1254 MGD Total Flow.
30 March 2010 – 6:30 AM Update
Wachusett Reservoir
Cosgrove rain gage is indicating 1.66 inches of rain. .
The Wachusett Reservoir level is 395.35 Boston City Base (BCB) and continues rising steadily. There is 500 MGD spilling over the spillway.
Tributaries are still rising. Based upon weather forecasts, the MWRA expects that the volume over the spillway will continue to rise to a level similar to the storm of March 13th.
Tributaries are still rising.
Quabbin Reservoir
Quabbin Reservoir is at 530.22 Boston City Base (BCB) elevation and rising steadily. There is 300 MGD spilling over the full spillway. The Winsor rain gage is indicating 1.08 inches of rain.
Other Western Operations
The Southborough rain gage is indicating 1.74 inches of rain.
Sudbury Reservoir 258.91 and rising steadily. (spillway crest at 259.0 BCB)
Reservoir 3 = 185.03 and rising steadily (spillway crest at 185.25 BCB)
Sudbury River (Saxonville) USGS gage indicating 0.50 feet over flood stage and appears to be rising again.
Metropolitan Boston
Total rainfall at Chelsea is 02.55". All MWRA sewer facilities are operational at this time. All Combined Sewer Overflows are activated.
South System
The Nut Island Headworks/IPS is currently running at 360 MGD and has been holding steady. Deer Island has been able to maintain this flow based upon rain to date.
Deer Island
The Deer Island Treatment Plant is processing at a rate of 1215 MGD Total Flow.
March 29, 2010 – 9:30 PM Update
Quabbin Reservoir
- Currently spilling at an elevation of 530.14 @ a rate of 240 million gallons per day.
- Currently spilling at an elevation of 395.28 @ a rate of 420 million gallons per day. Tributaries are starting to rise rapidly.
- Clinton Wastewater Treatment Plant flow at 8 million gallons per day. Nashua River is full but not entering plant.
- Sudbury Reservoir at an elevation of 258.72 (just below the spillway elevation of 259.0).
- Deer Island is processing 1,210 million gallons per day.
- Nut Island currently processing flows at a rate of about 343 million gallons per day (maximum capacity of about 400 mgd).
- All north system headworks are choking. All CSO facilities are activated.
March 29, 2010 – 3:30 pm Update:
Wachusett Reservoir
- Currently spilling at a rate of 350 million gallons per day.
- No flooding reported at the Clinton Wastewater Treatment Plant.
Quabbin Reservoir
- Currently spilling at a rate of 220 million gallons per day.
- No issues to report.
Greater Boston/South
- Nut Island currently processing flows at a rate of 250 million gallons per day.
- No releases to harbor are imminent.
- No issues to report.
Greater Boston /North
- Deer Island is processing 970 million gallons per day, with maximum capacity of 1.3 billion gallons.
- The first combined sewer overflow facility has activated: Somerville Marginal
- No issues to report.
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