UNION-WILLIAMS PSD

NPDES permit WV0101443 · Minor POTW · effective, expires 2027-09-06 · 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

14values over a limit
0required values missing, on 0 form(s)
1of 43 forms filed late

Last period with anything received: 2026-07-31. Most often over: Coliform, fecal general (9), Nitrogen, ammonia total [as N] (3), pH (1).

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 (141)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 60 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 200.2 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 400.3 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 <= 200.2 lb/d all year
001Solids, total suspendedDAILY MX <= 400.3 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 15 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 30 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 100.1 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 200.2 lb/d all year
001Zinc, total recoverableMO AVG report only all year
001Zinc, total recoverableMO AVG report only all year
001Zinc, total recoverableDAILY MX report only all year
001Zinc, 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 report only all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableDAILY MX report only all year
001Copper, total recoverableDAILY MX report only 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
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
IU01Flow rateMO AVG report only all year
IU01Flow rateMO AVG report only all year
IU01Flow rateDAILY MX <= 5000 gal/d all year
IU01Flow rateDAILY MX <= 5000 gal/d all year
IU01pHINST MIN >= 5 SU all year
IU01pHINST MIN >= 5 SU all year
IU01pHINST MAX <= 10 SU all year
IU01pHINST MAX <= 10 SU all year
IU01Solids, total suspendedMO AVG report only all year
IU01Solids, total suspendedMO AVG report only all year
IU01Solids, total suspendedDAILY MX <= 100 mg/L all year
IU01Solids, total suspendedDAILY MX <= 100 mg/L all year
IU01Solids, total suspendedMO AVG report only all year
IU01Solids, total suspendedMO AVG report only all year
IU01Solids, total suspendedDAILY MX report only all year
IU01Solids, total suspendedDAILY MX report only all year
IU01Oil and grease, hexane extr methodMO AVG report only all year
IU01Oil and grease, hexane extr methodMO AVG report only all year
IU01Oil and grease, hexane extr methodDAILY MX <= 30 mg/L all year
IU01Oil and grease, hexane extr methodDAILY MX <= 30 mg/L all year
IU01Oil and grease, hexane extr methodMO AVG report only all year
IU01Oil and grease, hexane extr methodMO AVG report only all year
IU01Oil and grease, hexane extr methodDAILY MX report only all year
IU01Oil and grease, hexane extr methodDAILY MX report only all year
IU01Copper, total [as Cu]MO AVG report only all year
IU01Copper, total [as Cu]MO AVG report only all year
IU01Copper, total [as Cu]DAILY MX report only all year
IU01Copper, total [as Cu]DAILY MX report only all year
IU01Copper, total [as Cu]MO AVG report only all year
IU01Copper, total [as Cu]MO AVG report only all year
IU01Copper, total [as Cu]DAILY MX report only all year
IU01Copper, total [as Cu]DAILY MX report only all year
IU01Zinc, total [as Zn]MO AVG report only all year
IU01Zinc, total [as Zn]MO AVG report only all year
IU01Zinc, total [as Zn]DAILY MX report only all year
IU01Zinc, total [as Zn]DAILY MX report only all year
IU01Zinc, total [as Zn]MO AVG report only all year
IU01Zinc, total [as Zn]MO AVG report only all year
IU01Zinc, total [as Zn]DAILY MX report only all year
IU01Zinc, total [as Zn]DAILY MX report only all year
IU02Flow rateMO AVG report only all year
IU02Flow rateDAILY MX <= 30000 gal/d all year
IU02BOD, 5-day, 20 deg. CMO AVG report only all year
IU02BOD, 5-day, 20 deg. CDAILY MX <= 300 mg/L all year
IU02BOD, 5-day, 20 deg. CMO AVG report only 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 <= 300 mg/L all year
IU02Solids, total suspendedMO AVG report only all year
IU02Solids, total suspendedDAILY MX report only all year
IU02Oil & GreaseMO AVG report only all year
IU02Oil & GreaseDAILY MX <= 30 mg/L all year
IU02Oil & GreaseMO AVG report only all year
IU02Oil & GreaseDAILY MX report only all year
IU02Copper, total [as Cu]MO AVG report only all year
IU02Copper, total [as Cu]DAILY MX <= .75 mg/L all year
IU02Copper, total [as Cu]MO AVG report only all year
IU02Copper, total [as Cu]DAILY MX report only all year
IU02Zinc, total [as Zn]MO AVG report only all year
IU02Zinc, total [as Zn]DAILY MX <= .75 mg/L all year
IU02Zinc, total [as Zn]MO AVG report only all year
IU02Zinc, total [as Zn]DAILY MX report only all year
IU03Flow rateMO AVG report only all year
IU03Flow rateMO AVG report only all year
IU03Flow rateDAILY MX <= 2500 gal/d all year
IU03Flow rateDAILY MX <= 2500 gal/d all year
IU03pHINST MIN >= 5 SU all year
IU03pHINST MIN >= 5 SU all year
IU03pHINST MAX <= 10 SU all year
IU03pHINST MAX <= 10 SU all year
IU03Solids, total suspendedMO AVG report only all year
IU03Solids, total suspendedMO AVG report only all year
IU03Solids, total suspendedDAILY MX <= 250 mg/L all year
IU03Solids, total suspendedDAILY MX <= 250 mg/L all year
IU03Oil and grease, hexane extr methodMO AVG report only all year
IU03Oil and grease, hexane extr methodMO AVG report only all year
IU03Oil and grease, hexane extr methodDAILY MX <= 100 mg/L all year
IU03Oil and grease, hexane extr methodDAILY MX <= 100 mg/L all year
IU05Flow rateMO AVG report only all year
IU05Flow rateMO AVG report only all year
IU05Flow rateDAILY MX <= 500 gal/d all year
IU05Flow rateDAILY MX <= 500 gal/d all year
IU05pHINST MIN >= 6 SU all year
IU05pHINST MIN >= 6 SU all year
IU05pHINST MAX <= 10 SU all year
IU05pHINST MAX <= 10 SU all year
IU05Solids, total suspendedMO AVG report only all year
IU05Solids, total suspendedMO AVG report only all year
IU05Solids, total suspendedDAILY MX <= 250 mg/L all year
IU05Solids, total suspendedDAILY MX <= 250 mg/L all year
IU05Oil and grease, hexane extr methodMO AVG report only all year
IU05Oil and grease, hexane extr methodMO AVG report only all year
IU05Oil and grease, hexane extr methodDAILY MX <= 100 mg/L all year
IU05Oil and grease, hexane extr methodDAILY MX <= 100 mg/L all year
IU06Flow rateMO AVG report only all year
IU06Flow rateDAILY MX <= 14000 gal/d all year
IU06pHINST MIN >= 5 SU all year
IU06pHINST MAX <= 10 SU all year
IU06Solids, total suspendedMO AVG report only all year
IU06Solids, total suspendedDAILY MX <= 300 mg/L all year
IU06Chloride [as Cl]MO AVG report only all year
IU06Chloride [as Cl]DAILY MX report only all year
IU06Copper, total [as Cu]MO AVG report only all year
IU06Copper, total [as Cu]DAILY MX report only all year
IU06Zinc, total [as Zn]MO AVG report only all year
IU06Zinc, total [as Zn]DAILY MX report only all year
IU06Aluminum, total [as Al]MO AVG report only all year
IU06Aluminum, total [as Al]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