WELCH, CITY OF

NPDES permit WV0024589 · Major POTW · effective, expires 2028-05-16 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

51values over a limit
4required values missing, on 1 form(s)
2of 44 forms filed late

Last period with anything received: 2026-07-31. Most often over: Coliform, fecal general (20), BOD, 5-day, 20 deg. C (9), Flow rate (5).

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 (208)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM >= 7 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 10 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 20 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 94 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 187 lb/d all year
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 <= 281 lb/d all year
001Solids, total suspendedDAILY MX <= 560 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 4.9 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 9.8 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 46 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 92 lb/d all year
001Nitrogen, nitrate total [as N]MO AVG report only all year
001Nitrogen, nitrate total [as N]DAILY MX report only all year
001Cyanide, weak acid, dissociableMO AVG report only all year
001Cyanide, weak acid, dissociableDAILY MX report only 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
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
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 <= .032 mg/L all year
001Copper, total recoverableDAILY MX <= .059 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
001Toxicity [chronic], Ceriodaphnia dubiaMO AVG report only all year
001Toxicity [chronic], Ceriodaphnia dubiaDAILY MX report only all year
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MO AVG report only all year
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]DAILY MX report only all year
001Mercury, total [as Hg]MO AVG <= .0072 ug/L all year
001Mercury, total [as Hg]DAILY MX <= .022 ug/L 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
030BOD, 5-day, 20 deg. CMO AVG report only all year
030BOD, 5-day, 20 deg. CDAILY MX report only all year
030pHINST MIN report only all year
030pHINST MAX report only all year
030Solids, total suspendedMO AVG report only all year
030Solids, total suspendedDAILY MX report only all year
030Oil and grease, hexane extr methodMO AVG report only all year
030Oil and grease, hexane extr methodDAILY MX report only all year
030Nitrogen, ammonia total [as N]MO AVG report only all year
030Nitrogen, ammonia total [as N]DAILY MX report only all year
030Flow, in conduit or thru treatment plantMO AVG report only all year
030Flow, in conduit or thru treatment plantDAILY MX report only all year
030Coliform, fecal generalMO AVG report only all year
030Coliform, fecal generalDAILY MX report only all year
030Chemical Oxygen Demand [COD]MO AVG report only all year
030Chemical Oxygen Demand [COD]DAILY MX report only all year
031BOD, 5-day, 20 deg. CMO AVG report only all year
031BOD, 5-day, 20 deg. CDAILY MX report only all year
031pHINST MIN report only all year
031pHINST MAX report only all year
031Solids, total suspendedMO AVG report only all year
031Solids, total suspendedDAILY MX report only all year
031Oil and grease, hexane extr methodMO AVG report only all year
031Oil and grease, hexane extr methodDAILY MX report only all year
031Nitrogen, ammonia total [as N]MO AVG report only all year
031Nitrogen, ammonia total [as N]DAILY MX report only all year
031Flow, in conduit or thru treatment plantMO AVG report only all year
031Flow, in conduit or thru treatment plantDAILY MX report only all year
031Coliform, fecal generalMO AVG report only all year
031Coliform, fecal generalDAILY MX report only all year
031Chemical Oxygen Demand [COD]MO AVG report only all year
031Chemical Oxygen Demand [COD]DAILY MX report only all year
IU01Flow rateMO AVG report only all year
IU01Flow rateDAILY MX <= 60000 gal/d all year
IU01BOD, 5-day, 20 deg. CMO AVG report only all year
IU01BOD, 5-day, 20 deg. CDAILY MX <= 500 mg/L all year
IU01BOD, 5-day, 20 deg. CMO AVG report only all year
IU01BOD, 5-day, 20 deg. CDAILY MX report only 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 <= 500 mg/L all year
IU01Solids, total suspendedMO AVG report only all year
IU01Solids, total suspendedDAILY MX report only all year
IU01Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
IU01Nitrogen, Kjeldahl, total [as N]DAILY MX <= 50 mg/L all year
IU01Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
IU01Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
IU01Cyanide, total [as CN]MO AVG report only all year
IU01Cyanide, total [as CN]DAILY MX <= .2 mg/L all year
IU01Cyanide, total [as CN]MO AVG report only all year
IU01Cyanide, total [as CN]DAILY MX report only all year
IU01Arsenic, total [as As]MO AVG report only all year
IU01Arsenic, total [as As]DAILY MX <= .03 mg/L all year
IU01Arsenic, total [as As]MO AVG report only all year
IU01Arsenic, total [as As]DAILY MX report only all year
IU01Cadmium, total [as Cd]MO AVG report only all year
IU01Cadmium, total [as Cd]DAILY MX <= .004 mg/L all year
IU01Cadmium, total [as Cd]MO AVG report only all year
IU01Cadmium, total [as Cd]DAILY MX report only all year
IU01Chromium, hexavalent [as Cr]MO AVG report only all year
IU01Chromium, hexavalent [as Cr]DAILY MX <= .1 mg/L all year
IU01Chromium, hexavalent [as Cr]MO AVG report only all year
IU01Chromium, hexavalent [as Cr]DAILY MX report only all year
IU01Copper, total [as Cu]MO AVG report only all year
IU01Copper, total [as Cu]DAILY MX <= .75 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 <= 10 mg/L 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 <= .12 mg/L all year
IU01Lead, total [as Pb]MO AVG report only all year
IU01Lead, total [as Pb]DAILY MX report only all year
IU01Nickel, total [as Ni]MO AVG report only all year
IU01Nickel, total [as Ni]DAILY MX <= 1 mg/L all year
IU01Nickel, total [as Ni]MO AVG report only all year
IU01Nickel, total [as Ni]DAILY MX report only all year
IU01Silver, total [as Ag]MO AVG report only all year
IU01Silver, total [as Ag]DAILY MX <= .06 mg/L all year
IU01Silver, total [as Ag]MO AVG report only all year
IU01Silver, total [as Ag]DAILY MX report only all year
IU01Zinc, total [as Zn]MO AVG report only all year
IU01Zinc, total [as Zn]DAILY MX <= .7 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 <= 10 mg/L all year
IU01Aluminum, total [as Al]MO AVG report only all year
IU01Aluminum, total [as Al]DAILY MX report only all year
IU01Mercury, total [as Hg]MO AVG report only all year
IU01Mercury, total [as Hg]DAILY MX <= .0002 mg/L all year
IU01Mercury, total [as Hg]MO AVG report only all year
IU01Mercury, total [as Hg]DAILY MX report only all year
IU02Flow rateMO AVG <= 60000 gal/d all year
IU02Flow rateDAILY MX <= 120000 gal/d all year
IU02BOD, 5-day, 20 deg. CMO AVG report only all year
IU02BOD, 5-day, 20 deg. CDAILY MX report only all year
IU02BOD, 5-day, 20 deg. CMO AVG <= 300 lb/d all year
IU02BOD, 5-day, 20 deg. CDAILY MX report only 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 report only all year
IU02Solids, total suspendedMO AVG <= 300 lb/d all year
IU02Solids, total suspendedDAILY MX report only all year
IU02Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
IU02Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
IU02Nitrogen, Kjeldahl, total [as N]MO AVG <= 100 lb/d all year
IU02Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
IU02Cyanide, total [as CN]MO AVG report only all year
IU02Cyanide, total [as CN]DAILY MX report only all year
IU02Cyanide, total [as CN]MO AVG <= .05 lb/d all year
IU02Cyanide, total [as CN]DAILY MX report only all year
IU02Arsenic, total [as As]MO AVG report only all year
IU02Arsenic, total [as As]DAILY MX report only all year
IU02Arsenic, total [as As]MO AVG <= .09 lb/d all year
IU02Arsenic, total [as As]DAILY MX report only all year
IU02Cadmium, total [as Cd]MO AVG report only all year
IU02Cadmium, total [as Cd]DAILY MX report only all year
IU02Cadmium, total [as Cd]MO AVG <= .002 lb/d all year
IU02Cadmium, total [as Cd]DAILY MX report only all year
IU02Chromium, hexavalent [as Cr]MO AVG report only all year
IU02Chromium, hexavalent [as Cr]DAILY MX report only all year
IU02Chromium, hexavalent [as Cr]MO AVG <= .1 lb/d all year
IU02Chromium, hexavalent [as Cr]DAILY MX report only all year
IU02Copper, total [as Cu]MO AVG report only all year
IU02Copper, total [as Cu]DAILY MX report only all year
IU02Copper, total [as Cu]MO AVG <= .375 lb/d 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 <= 15 lb/d 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 report only all year
IU02Lead, total [as Pb]MO AVG <= .03 lb/d all year
IU02Lead, total [as Pb]DAILY MX report only all year
IU02Nickel, total [as Ni]MO AVG report only all year
IU02Nickel, total [as Ni]DAILY MX report only all year
IU02Nickel, total [as Ni]MO AVG <= .5 lb/d all year
IU02Nickel, total [as Ni]DAILY MX report only all year
IU02Silver, total [as Ag]MO AVG report only all year
IU02Silver, total [as Ag]DAILY MX report only all year
IU02Silver, total [as Ag]MO AVG <= .02 lb/d all year
IU02Silver, total [as Ag]DAILY MX report only all year
IU02Zinc, total [as Zn]MO AVG report only all year
IU02Zinc, total [as Zn]DAILY MX report only all year
IU02Zinc, total [as Zn]MO AVG <= .5 lb/d 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 report only all year
IU02Aluminum, total [as Al]MO AVG <= 10 lb/d all year
IU02Aluminum, total [as Al]DAILY MX report only all year
IU02Mercury, total [as Hg]MO AVG report only all year
IU02Mercury, total [as Hg]DAILY MX report only all year
IU02Mercury, total [as Hg]MO AVG <= .0001 lb/d all year
IU02Mercury, total [as Hg]DAILY MX report only 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