Hist and Proj Operating Receipts FY 2011 2 17 2010 - DC Water

FY-2008 TSS Level
FY-2009 TSS Level
Permit Limit (mg/l)
10
FY-2008 Nitrogen level Rolling 12 month Average
FY-20OS Nitrogen level Rolling 12 month Average
Proposed 2015 Limit For ENR (4.38 Million Ibsly)
Current Permit Limlt-8.47 Million (lbs/Yrl
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FY-200a caoo Level
o FY-2009 ceoo Level
Permit Limit (mgll)
o Minimum Daily Average (mg/l)
Minimum Instantaneous (mg/L)
Permit Mini mum Daily Average (mg/l)
Permit Instantaneous Daily Limit (mg/l)
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Oct Nov Dec Jan Feb Mar Ape May Jun Jul Aug Sep
Since FY 2000, DC WASA has been removing nitrogen in its Biological Nutrient Removal process and has consistently met the
NPDES permit goal of 7.5 mg/I of total nitrogen. In June 2007, the United States Environmental Protection Agency (EPA) issued a
Budget Overview and Performance
11-36