Combined Sewer System Reports

DC WASA provides regular updates and information on our efforts to improve the Combined Sewer System and protect our environment. The information below provides you with the latest reports and updates on our activities.

Total Nitrogen Removal/Wet Weather Plan

The report contains WASA's latest plan for implementing Enhanced Nutrient (Total Nitrogen) Removal as required by the Chesapeake Bay Program and the Blue Plains National Pollutant Discharge Elimination System (NPDES) permit. DC WASA is committed to have these reports available to the public.


CSO Division Quarterly Operation Reports

DC WASA regularly reports to EPA on the status and performance of the combined sewer system.

Date Title Type Size
2009
4th Quarter Combined Sewer Overflow Facilities Quarterly Report PDF 414 KB
3rd Quarter Combined Sewer Overflow Facilities Quarterly Report PDF 896 KB
2nd Quarter Combined Sewer Overflow Facilities Quarterly Report PDF 426 KB
1st Quarter Combined Sewer Overflow Facilities Quarterly Report PDF 395 KB
2008
4th Quarter Combined Sewer Overflow Facilities Quarterly Report PDF 368 KB
3rd Quarter Combined Sewer Overflow Facilities Quarterly Report PDF 373 KB
2nd Quarter Combined Sewer Overflow Facilities Quarterly Report PDF 407 KB
1st Quarter Combined Sewer Overflow Facilities Quarterly Report PDF 2.4 MB
2007
4th Quarter Combined Sewer Overflow Facilities Quarterly Report PDF 385 KB
3rd Quarter Combined Sewer Overflow Facilities Quarterly Report PDF 476 KB
2nd Quarter Combined Sewer Overflow Facilities Quarterly Report PDF 390 KB
1st Quarter Combined Sewer Overflow Facilities Quarterly Report PDF 388 KB
2006
4th Quarter Combined Sewer Overflow Facilities Quarterly Report PDF 402 KB
3rd Quarter Combined Sewer Overflow Facilities Quarterly Report PDF 1 MB
2nd Quarter Combined Sewer Overflow Facilities Quarterly Report PDF 402 KB
1st Quarter Combined Sewer Overflow Facilities Quarterly Report PDF 393 KB
2005
4th Quarter Combined Sewer Overflow Facilities Quarterly Report PDF 404 KB
3rd Quarter Combined Sewer Overflow Facilities Quarterly Report PDF 1.1 MB
2nd Quarter Combined Sewer Overflow Facilities Quarterly Report PDF 1 MB
1st Quarter Combined Sewer Overflow Facilities Quarterly Report PDF 1 MB
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Long-Term Control Plan Consent Decree Quarterly Reports

DC WASA Reports to EPA on the status of the implementation of its long term plan for controlling CSOs and on its compliance with the consent decree requiring implementation of the plan.

Date Title Type Size
2009
4th Quarter Long Term Control Plan Consent Decree Status Report PDF 95 KB
3rd Quarter Long Term Control Plan Consent Decree Status Report PDF 175 KB
2nd Quarter Long Term Control Plan Consent Decree Status Report PDF 173 KB
1st Quarter Long Term Control Plan Consent Decree Status Report PDF 209 KB
2008
4th Quarter Long Term Control Plan Consent Decree Status Report PDF 86 KB
3rd Quarter Long Term Control Plan Consent Decree Status Report PDF 130 KB
2nd Quarter Long Term Control Plan Consent Decree Status Report PDF 126 KB
1st Quarter Long Term Control Plan Consent Decree Status Report PDF 131 KB
2007
4th Quarter Long Term Control Plan Consent Decree Status Report PDF 71 KB
3rd Quarter Long Term Control Plan Consent Decree Status Report PDF 128 KB
2nd Quarter Long Term Control Plan Consent Decree Status Report PDF 126 KB
1st Quarter Long Term Control Plan Consent Decree Status Report PDF 124 KB
2006
4th Quarter Long Term Control Plan Consent Decree Status Report PDF 123 KB
3rd Quarter Long Term Control Plan Consent Decree Status Report PDF 131 KB
2nd Quarter Long Term Control Plan Consent Decree Status Report PDF 131 KB
1st Quarter Long Term Control Plan Consent Decree Status Report PDF 71 KB
2005
4th Quarter Long Term Control Plan Consent Decree Status Report PDF 132 KB
3rd Quarter Long Term Control Plan Consent Decree Status Report PDF 125 KB
2nd Quarter Long Term Control Plan Consent Decree Status Report PDF 241 KB
1st Quarter Long Term Control Plan Consent Decree Status Report PDF 203 KB
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Three Party Consent Decree Quarterly Reports

Date Title Type Size
2009
4th Quarter 3-Party Consent Decree Status Report PDF 65 KB
3rd Quarter 3-Party Consent Decree Status Report PDF 123 KB
2nd Quarter 3-Party Consent Decree Status Report PDF 123 KB
1st Quarter 3-Party Consent Decree Status Report PDF 69 KB
2008
4th Quarter 3-Party Consent Decree Status Report PDF 68 KB
3rd Quarter 3-Party Consent Decree Status Report PDF 186 KB
2nd Quarter 3-Party Consent Decree Status Report PDF 188 KB
1st Quarter 3-Party Consent Decree Status Report PDF 186 KB
2007
4th Quarter 3-Party Consent Decree Status Report PDF 70 KB
3rd Quarter 3-Party Consent Decree Status Report PDF 73 KB
2nd Quarter 3-Party Consent Decree Status Report PDF 72 KB
1st Quarter 3-Party Consent Decree Status Report PDF 125 KB
2006
4th Quarter 3-Party Consent Decree Status Report PDF 125 KB
3rd Quarter 3-Party Consent Decree Status Report PDF 128 KB
2nd Quarter 3-Party Consent Decree Status Report PDF 196 KB
1st Quarter 3-Party Consent Decree Status Report PDF 335 KB
2005
4th Quarter 3-Party Consent Decree Status Report PDF 127 KB
3rd Quarter 3-Party Consent Decree Status Report PDF 125 KB
2nd Quarter 3-Party Consent Decree Status Report PDF 386 KB
1st Quarter 3-Party Consent Decree Status Report PDF 33 KB
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