MARTINSBURG, CITY OF

NPDES permit WV0023167 · Major POTW · effective, expires 2028-06-04 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

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

25values over a limit
0required values missing, on 0 form(s)
0of 51 forms filed late

Last period with anything received: 2026-07-31. Most often over: Chloride [as Cl] (13), Flow rate (4), Lead, total [as Pb] (3).

Reporting

Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (167)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]INST MIN >= 6 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 20 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CDAILY MX <= 40 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CDAILY MX <= 60 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 1668 lb/d May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CMO AVG <= 2502 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CDAILY MX <= 3336 lb/d May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CDAILY MX <= 5004 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 60 mg/L all year
001Solids, total suspendedMO AVG <= 2502 lb/d all year
001Solids, total suspendedDAILY MX <= 5004 lb/d all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, total [as N]MO TOTAL report only all year
001Nitrogen, total [as N]ANNL TOT <= 45662 lb/yr all year
001Nitrogen, ammonia total [as N]MO AVG <= 5.8 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 3.4 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 11.7 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 6.8 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 484 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 284 lb/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 967 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 567 lb/d May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]MO TOTAL report only all year
001Phosphorus, total [as P]ANNL TOT <= 4566 lb/yr all year
001Cyanide, weak acid, dissociableMO AVG report only all year
001Cyanide, weak acid, dissociableDAILY MX report only all year
001Chloride [as Cl]MO AVG <= 198 mg/L all year
001Chloride [as Cl]DAILY MX <= 335 mg/L all year
001Arsenic, total [as As]MO AVG report only all year
001Arsenic, total [as As]DAILY MX report only all year
001Chromium, hexavalent [as Cr]MO AVG report only all year
001Chromium, hexavalent [as Cr]DAILY MX report only all year
001Iron, total [as Fe]MO AVG <= 1.3 mg/L all year
001Iron, total [as Fe]DAILY MX <= 1.97 mg/L all year
001Nickel, total recoverableMO AVG report only all year
001Nickel, total recoverableDAILY MX report only all year
001Silver total recoverableMO AVG report only all year
001Silver total recoverableDAILY MX report only all year
001Zinc, total recoverableMO AVG report only all year
001Zinc, total recoverableDAILY MX report only all year
001Aluminum, total recoverableMO AVG report only all year
001Aluminum, total recoverableDAILY MX report only all year
001Cadmium, total recoverableMO AVG report only all year
001Cadmium, total recoverableDAILY MX report only all year
001Lead, total recoverableMO AVG report only all year
001Lead, total recoverableDAILY MX report only all year
001Copper, total recoverableMO AVG <= .021 mg/L all year
001Copper, total recoverableDAILY MX <= .041 mg/L all year
001Flow, in conduit or thru treatment plantMINIMUM report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO TOTAL report only all year
001Chlorine, total residualMO AVG <= .015 mg/L all year
001Chlorine, total residualDAILY MX <= .03 mg/L all year
001Toxicity [chronic], Ceriodaphnia dubiaMO AVG <= 1.6 tox chronic all year
001Toxicity [chronic], Ceriodaphnia dubiaMO AVG <= 1.6 tox chronic all year
001Toxicity [chronic], Ceriodaphnia dubiaDAILY MX <= 2 tox chronic all year
001Toxicity [chronic], Ceriodaphnia dubiaDAILY MX <= 2 tox chronic all year
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MO AVG <= 1.4 tox chronic all year
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MO AVG <= 1.4 tox chronic all year
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]DAILY MX <= 2.7 tox chronic all year
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]DAILY MX <= 2.7 tox chronic all year
001Mercury, total [as Hg]MO AVG report only all year
001Mercury, total [as Hg]DAILY MX report only all year
001Coliform, fecal generalMO GEOMN <= 200 #/100mL all year
001Coliform, fecal generalDAILY MX <= 400 #/100mL all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
002BOD, 5-day, 20 deg. CMO AVG report only all year
002BOD, 5-day, 20 deg. CDAILY MX report only all year
002pHINST MIN report only all year
002pHINST MAX report only all year
002Solids, total suspendedMO AVG report only all year
002Solids, total suspendedDAILY MX report only all year
002Oil and grease, hexane extr methodMO AVG report only all year
002Oil and grease, hexane extr methodDAILY MX report only all year
002Nitrogen, ammonia total [as N]MO AVG report only all year
002Nitrogen, ammonia total [as N]DAILY MX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Coliform, fecal generalMO GEOMN report only all year
002Coliform, fecal generalDAILY MX <= 400 #/100mL all year
002Chemical Oxygen Demand [COD]MO AVG report only all year
002Chemical Oxygen Demand [COD]DAILY MX report only all year
IU01Flow rateMO AVG report only all year
IU01Flow rateDAILY MX <= 7200 gal/d all year
IU01pHINST MIN >= 5 SU all year
IU01pHINST MAX <= 10 SU all year
IU01Solids, total suspendedMO AVG report only all year
IU01Solids, total suspendedDAILY MX report only all year
IU01Solids, total suspendedMO AVG report only all year
IU01Solids, total suspendedDAILY MX report only all year
IU01Copper, total [as Cu]MO AVG report only all year
IU01Copper, total [as Cu]DAILY MX <= .6 mg/L all year
IU01Copper, total [as Cu]MO AVG report only all year
IU01Copper, total [as Cu]DAILY MX report only all year
IU01Iron, total [as Fe]MO AVG report only all year
IU01Iron, total [as Fe]DAILY MX report only all year
IU01Iron, total [as Fe]MO AVG report only all year
IU01Iron, total [as Fe]DAILY MX report only all year
IU01Lead, total [as Pb]MO AVG report only all year
IU01Lead, total [as Pb]DAILY MX <= .02 mg/L all year
IU01Lead, total [as Pb]MO AVG report only all year
IU01Lead, total [as Pb]DAILY MX report only all year
IU01Zinc, total [as Zn]MO AVG report only all year
IU01Zinc, total [as Zn]DAILY MX <= .5 mg/L all year
IU01Zinc, total [as Zn]MO AVG report only all year
IU01Zinc, total [as Zn]DAILY MX report only all year
IU01Aluminum, total [as Al]MO AVG report only all year
IU01Aluminum, total [as Al]DAILY MX <= 300 mg/L all year
IU01Aluminum, total [as Al]MO AVG report only all year
IU01Aluminum, total [as Al]DAILY MX report only all year
IU02Flow rateMO AVG report only all year
IU02Flow rateDAILY MX <= 80000 gal/d all year
IU02pHINST MIN >= 5 SU all year
IU02pHINST MAX <= 10 SU all year
IU02Solids, total suspendedMO AVG report only all year
IU02Solids, total suspendedDAILY MX <= 250 mg/L all year
IU02Solids, total suspendedMO AVG report only all year
IU02Solids, total suspendedDAILY MX report only all year
IU02Copper, total [as Cu]MO AVG report only all year
IU02Copper, total [as Cu]DAILY MX <= .6 mg/L all year
IU02Copper, total [as Cu]MO AVG report only all year
IU02Copper, total [as Cu]DAILY MX report only all year
IU02Iron, total [as Fe]MO AVG report only all year
IU02Iron, total [as Fe]DAILY MX report only all year
IU02Iron, total [as Fe]MO AVG report only all year
IU02Iron, total [as Fe]DAILY MX report only all year
IU02Lead, total [as Pb]MO AVG report only all year
IU02Lead, total [as Pb]DAILY MX <= .008 mg/L all year
IU02Lead, total [as Pb]MO AVG report only all year
IU02Lead, total [as Pb]DAILY MX report only all year
IU02Zinc, total [as Zn]MO AVG report only all year
IU02Zinc, total [as Zn]DAILY MX <= .5 mg/L all year
IU02Zinc, total [as Zn]MO AVG report only all year
IU02Zinc, total [as Zn]DAILY MX report only all year
IU02Aluminum, total [as Al]MO AVG report only all year
IU02Aluminum, total [as Al]DAILY MX <= 30 mg/L all year
IU02Aluminum, total [as Al]MO AVG report only all year
IU02Aluminum, total [as Al]DAILY MX report only all year
IU03Flow rateMO AVG report only all year
IU03Flow rateDAILY MX <= 64000 gal/d all year
IU03BOD, 5-day, 20 deg. CMO AVG report only all year
IU03BOD, 5-day, 20 deg. CDAILY MX <= 500 mg/L all year
IU03BOD, 5-day, 20 deg. CMO AVG report only all year
IU03BOD, 5-day, 20 deg. CDAILY MX report only all year
IU03pHINST MIN >= 5 SU all year
IU03pHINST MAX <= 10 SU all year
IU03Solids, total suspendedMO AVG report only all year
IU03Solids, total suspendedDAILY MX <= 500 mg/L all year
IU03Solids, total suspendedMO AVG report only all year
IU03Solids, total suspendedDAILY MX report only all year
IU03Oil and grease, hexane extr methodMO AVG report only all year
IU03Oil and grease, hexane extr methodDAILY MX report only all year
IU03Oil and grease, hexane extr methodMO AVG report only all year
IU03Oil and grease, hexane extr methodDAILY MX report only all year
IU03Mercury, total [as Hg]MO AVG report only all year
IU03Mercury, total [as Hg]DAILY MX report only all year
IU03Mercury, total [as Hg]MO AVG report only all year
IU03Mercury, total [as Hg]DAILY MX report only all year

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