vxEPA United States Environmental Protection Agency Office of Water Regulations and Standards Washington, DC 20460 EPA 440/5-88-041 September 1988 State Water Quality Standards Summary: District of Columbia ------- ------- DISCLAIMER TT c Publication was prepared by Battelle under contract to u.&. Environmental Protection Agency (Contract 68-03-3534) ?£?ar2 information sources were used to compile data presented this document. Each State was given an opportunity to review and Provide comments on a draft of this information document. ?n no event shall either the United States or Battelle have any ^!P°?^bl11^ °r liabilitv for ^y use, misuse, or reliance upon the information contained herein, nor does either warrant or otherwise represent in any way the accuracy, adequacy efficacv or applicability of the contents hereof. S^y, etiicacy, The reader should consult the water quality standards of a particular State for exact regulatory language applicable to that state. Copies of State water quality standards may be obtained from the State's Water Pollution Control Agency or its equivalent. * • its Additional information may also be obtained from the: Standards Branch Criteria and Standards Division (WH-585) Office of Water Regulations and Standards U.S. Environmental Protection Agency Washington, D.C. 20460 202-475-7315 This document may be obtained only from the National Technical Information Service (NTIS) at the following address: National Technical Information Service 5285 Front Royal Road Springfield, Virginia 22161 703-487-4650 • . The NTIS order number is: PB89-141733 • ------- ------- DISTRICT OF COLUMBIA Responsible Agency: Department of Consumer and Regulatory Affairs Envoronmentil Control Division Hater Hygiene Branch 5010 Overlook Avenue, S.H. Washington 20032 202-767-7370 Standards Available Hr. Jaies Collier, Chief Hater Hygiene Branch Jept. of Consumer and Regulatory Affairs 5010 Overlook Avenue, S.N. Washington 20032 202-767-7370 Fee: Hailing List: From; State Contact: «r. Jaies Collier Chief Hater Hygiene Branch Jept. of Consumer and Regulatory Affairs 5010 Overlook Avenue, S.H. Hashington 20032 202-767-7370 State Contacts no r ad a t i on quality achievable above the standards y es n „ ' anJ- f '? "^ °r rest°red to the "ighest discharges of witmtir, treated or otherSe are Lhib f H 9'f f*1™ Se9i8nt' Ne" "oint sour« date of designation. Increases in l^™^^?." ******* 5e"ents after the effective prohibit* in antidegradation segments. Non-point sou essflr.L J'"^9 P°int 50Ur" dischar9es ar* shall be controlled in conjunction «ith Sectio 200 3 D t ! p f ,' dlSChar9BS a"d C0ibined se«er "verfloNs management practices and regulatory progra.1 ^ Const^ L L 1 T ' l^ ^^ "P^^tation of best aUon in the waters of a designated segmen hic ^to n n^S" ?? """^ brid9es and bank buij to insure that there are not long term ad erse « ua IfT J I" C°nSidered °n a «" bnifio.1 uses of the segment. Short term «1eT ua "" iiPiir'ent °f the 13 punts *« * or iS fl. Settle to form objectionable deposits- 0. Float as debris, scum, oil or other matter to form nuisances- . roduce objectionable odor, color, taste or turSi! ' t0 " ^ PhySi°109iCal , -Ponses in humans, plants or - Produce undesirable aquatic life or result in the dominance of nuisance species. «7, -ay lo, flo- ,ich has a DC-l ------- DISTRICT OF COLUMBIA present nearby aquatic conunity or present or future water uses. The following factors shall be used in establishing lixing zones: (a) Permissible size of the zone shall be dependent on an acceptable atount of iipact and the size of the receiving water body; (b) Mixing zones shall be free froi discharged substances that will settle to for§ objectionable deposits; float to fon unsightly lasses; or produce objectionable color, odor, or turbidity; (c) fiixing zones shall protect aquatic life in shallow areas which serve as nursery areas; (d) A lixing zone, or two (2) or lore iixing zones, shall not font a barrier to ligratory aquatic life; (e) As a guideline, the quality for life within a tixing zone shall be such that the acute toxicity for biota significant to the area's aquatic life coiiunity is not exceeded; (f) The positioning of lixing zones shall be done in a §anner that provides the greatest protection to aquatic life and for the various uses of the water; and, (g) Hithin the estuary, the iaxiaal dimension of the iixing area shall not exceed ten percent (10Z) of the numerical value of the crass-sectional area of the waterway and shall not occupy tore than one third (1/3) of the width of the waterway. DC-2 ------- DISTRICT OF COLUMBIA Classifications: Class A Waters 5ha11 be protected for pritary contact recreation. Class B Haters sha11 be Protected for secondary contact recreation and aesthetic enjoyient. Class C Class D Haters sahll be protected for aquatic life, waterfowl, shore birds and water oriented wildlife. Haters shall be protected for use as a raw water source for public water supply. Class E "aters sha11 be Protected for use as a raw water source for industrial water supply. CIass F liters shall be protected for navigational use. class 6 Sroundwaters are protected for tultiple uses. DC-3 ------- DISTRICT OF COLUMBIA Physical PH Upper Value Lexer Value Dissolved Oxygen Lexer Value Temperature Upper Value Temperature Change Upper Value Nutrients Toxic Metals Arsenic Upper Value Cadiiui Upper Value Chnmiui - Hexavalent Upper Value Cyanide Upper Value Iron Upper Value Lead Upper Value Mercury Upper Value Zinc Upper Value Beryl liui Upper Value Nickel Upper Value Seleniui Upper Value Silver Upper Value Pesticides flldrin Upper Value Dieldrin Upper Value Chlardane Upper Value DOT 4 Metabolites Upper Value Endosulfan Upper Value flll Class A Class B Class C Classes 8.5 8.5 8.5 6.0 6.0 6.0 4.0 ig/L 32.2 C 32.2 C 2.8 C 2.8 C 0.09 ig/L funct. ug/L 0.01 ig/L 0.003 ig/L • 1.0 ig/L funct. ug/L Narr. 0.05 ng/L 150 ug/L 100 ug/L 0.04 ig/L 1.0 ug/L 0.4 ug/L 0.0019 ug/L * 0.0043 ug/L 0.001 ug/L 0.01 ug/L DC-4 ------- DISTRICT OF COLUMBIA Endrin Upper Value Neptachlor Upper Value Toxaphene Upper Value Qrganics Phenol Upper Value Phenols - Total Chlorinated! Upper Value 2,4-Dichlorophenol Upper Value Pentachlorophenol Upper Value Nitrophenols Upper Value 2-Chlorophenol Upper Value 2,4-Diwthylphenol Upper Value Phthalate Esters Upper Value PCBs Upper Value Bacteria Fecal Colifort Upper Value All Classes Class A Class B Class C 0.0023 ug/L 0.0038 ug/L 0.01 ug/L 0.1 ig/L 3.0 ug/L 200.0 ug/L 7.0 ug/L 20.0 ug/L 100 ug/L 200.0 ug/L 100.0 ug/L 0.01 ug/L Narr. Narr. DC-5 ------- Physical pH Upper Value Lexer Value Kutrients Toxic Metals Arsenic Upper Value Cadiiui Upper Value Chroiiui - Total Upper Value Copper Upper Value Cyanide Upper Value Mercury Upper Value Zinc Upper Value Bariui Upper Value Beryl liui Upper Value Nickel Upper Value Seleniui Upper Value Silver Upper Value Pesticides Aldrin Upper Value Dieldrin Upper Value Chlordane Upper Value DDT t Metabolites Upper Value Endosulfan Upper Value Endrin Upper Value Heptachlor Upper Value Toxaphene Upper Value t DISTRICT OF COLUMBIA 8.5 8.5 6.0 6.0 Narr. 0.01 tg/L ' 0.05 ig/L 1.0 ig/L 0.2 ig/L 0.0001 ig/L 5.0 ig/L ^^ 1.0 ig/L AB ^m 0.0004 ug/L 13.0 ug/L 0,01 tg/L 50.0 ug/L • .00007 ug/L .00007 ug/L * 0.0005 ug/L 0.00 ug/L 75.0 ug/L 1.0 ug/L 0.0003 ug/L ^j^ 0.0007 ug/L .*• Drganics DC-6 ------- DISTRICT OF COLUMBIA Phenol Upper Value Chlorinated Phenols! Upper Value 2,4-Dichlorophenol Upper Value Pentachlorophenol Upper Value Nitrophenols Upper Value 2-Chlorophenol Upper Value 2,4-Diiethyl Phenol Upper Value PCBs Upper Value Bacteria Fecal Colifori Upper Value Class D 0.3 ag/L 0.04 ug/L 0.3 ug/L 30.0 ug/L 13.0 ug/L 0.1 ug/L 400.0 ug/L .00008 ug/L Narr. Class E Class F Class 6 Narr. DC-7 ------- ------- |