D.C. WASA (BLUE PLAINS)

NPDES permit DC0021199 · Major POTW · administratively continued, expires 2023-08-25 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2023-08-25 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 28 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among DC permits in EPA's filings — check your permit).

Limits in force (79)

OutfallParameterStatisticLimitMonths
001pHMO AVG report only all year
001pHWKLY AVG report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedWKLY AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]WKLY AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]WKLY AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantWKLY AVG report only all year
001Chlorine, total residualMO AVG report only all year
001Chlorine, total residualWKLY AVG report only all year
001E. coli, colony forming units [CFU]MO AVG report only all year
001E. coli, colony forming units [CFU]WKLY AVG report only all year
001BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG report only all year
002Oxygen, dissolved [DO]MINIMUM >= 4 mg/L all year
002Oxygen, dissolved [DO]DLYAVMIN >= 5 mg/L all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 8.5 SU all year
002Alkalinity, total [as CaCO3]MO AVG report only all year
002Alkalinity, total [as CaCO3]WKLY AVG report only all year
002Solids, total suspendedMO AVG <= 6.1 mg/L all year
002Solids, total suspendedWKLY AVG report only all year
002Solids, total suspendedMO AVG <= 19603 lb/d all year
002Solids, total suspendedWKLY AVG <= 29404 lb/d all year
002Nitrogen, total [as N]MO AVG report only all year
002Nitrogen, total [as N]WKLY AVG report only all year
002Nitrogen, total [as N]MO AVG report only all year
002Nitrogen, total [as N]WKLY AVG report only all year
002Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
002Nitrogen, Kjeldahl, total [as N]WKLY AVG report only all year
002Phosphorus, total [as P]MO AVG <= .17 mg/L all year
002Phosphorus, total [as P]WKLY AVG <= .34 mg/L all year
002Phosphorus, total [as P]MO AVG <= 530 lb/d all year
002Phosphorus, total [as P]WKLY AVG <= 1080 lb/d all year
002Hardness, total [as CaCO3]MO AVG report only all year
002Hardness, total [as CaCO3]WKLY AVG report only all year
002Cadmium, dissolved [as Cd]MO AVG report only all year
002Cadmium, dissolved [as Cd]WKLY AVG report only all year
002Copper, dissolved [as Cu]MO AVG report only all year
002Copper, dissolved [as Cu]WKLY AVG report only all year
002Iron, dissolved [as Fe]MO AVG report only all year
002Iron, dissolved [as Fe]WKLY AVG report only all year
002Lead, dissolved [as Pb]MO AVG report only all year
002Lead, dissolved [as Pb]WKLY AVG report only all year
002Nickel, dissolved [as Ni]MO AVG report only all year
002Nickel, dissolved [as Ni]WKLY AVG report only all year
002Zinc, dissolved [as Zn]MO AVG report only all year
002Zinc, dissolved [as Zn]WKLY AVG report only all year
002Nitrogen, ammonia, total [as NH3]MO AVG <= 10.3 mg/L Feb, Mar, Apr
002Nitrogen, ammonia, total [as NH3]MO AVG <= 4.1 mg/L May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia, total [as NH3]MO AVG <= 12.8 mg/L Jan, Feb, Nov, Dec
002Nitrogen, ammonia, total [as NH3]WKLY AVG <= 15.4 mg/L Feb, Mar, Apr
002Nitrogen, ammonia, total [as NH3]WKLY AVG <= 6.1 mg/L May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia, total [as NH3]WKLY AVG <= 19.3 mg/L Jan, Feb, Nov, Dec
002Nitrogen, ammonia, total [as NH3]MO AVG <= 32986 lb/d Feb, Mar, Apr
002Nitrogen, ammonia, total [as NH3]MO AVG <= 13130 lb/d May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia, total [as NH3]MO AVG <= 40993 lb/d Jan, Feb, Nov, Dec
002Nitrogen, ammonia, total [as NH3]WKLY AVG <= 49319 lb/d Feb, Mar, Apr
002Nitrogen, ammonia, total [as NH3]WKLY AVG <= 19536 lb/d May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia, total [as NH3]WKLY AVG <= 61809 lb/d Jan, Feb, Nov, Dec
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantWKLY AVG report only all year
002Chlorine, total residualMO AVG <= .1 mg/L all year
002E. coli, colony forming units [CFU]MO AVG <= 126 CFU/100mL all year
002E. coli, colony forming units [CFU]WKLY AVG report only all year
002Phosphorous, in total orthophosphateMO AVG report only all year
002Phosphorous, in total orthophosphateWKLY AVG report only all year
002Nitrogen, nitrate total [as NO3]MO AVG report only all year
002Nitrogen, nitrate total [as NO3]WKLY AVG report only all year
002Nitrogen, nitrite total [as NO2]MO AVG report only all year
002Nitrogen, nitrite total [as NO2]WKLY AVG report only all year
002Mercury, total recoverableMO AVG report only all year
002Mercury, total recoverableWKLY AVG report only all year
002BOD, carbonaceous [5 day, 20 C]MO AVG <= 5 mg/L all year
002BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 7.5 mg/L all year
002BOD, carbonaceous [5 day, 20 C]MO AVG <= 16013 lb/d all year
002BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 24019 lb/d all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states