Washington, DC
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Water Quality Standards for Washington DC |
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- Water Quality Standards (21
DCMR Ch. 11) - (PDF, 185KB)
- (Effective January 24, 2003) Regulations establishing water
quality standards.
- Federal Regulations, 40 CFR 131.36
- (PDF, 121K)
- (Effective April 12, 2000) Toxics criteria for those states
not complying with Clean Water Act section 303(c)(2)(B). This
federal regulation establishes water quality criteria for certain
toxic pollutants. The regulation is also known as the National
Toxics Rule. The federal regulations include EPA's recent
removal of District of Columbia from the National Toxics Rule
for certain federally promulgated water quality criteria. For
more information on this action see Federal
Register 9659, April 12, 2000.
- Federal
Withdrawal
- (Effective January 2, 2003) Withdraws the Federal arsenic
human health criteria corresponding to the District's previously
designated Emergency Public Water Supply Use.
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