Upton, Town of

NPDES permit WY0020605 · Minor POTW · effective, expires 2029-12-31 · 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

3values over a limit
0required values missing, on 0 form(s)
0of 24 forms filed late

Last period with anything received: 2026-07-31. Most often over: pH (3).

Reporting

Reports are due about 89 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (90)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Oxygen, dissolved [DO]DAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001pHINST MIN >= 6.5 SU all year
001pHINST MIN >= 6.5 SU all year
001pHINST MAX <= 9 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 100 mg/L all year
001Solids, total suspendedMO AVG <= 100 mg/L all year
001Solids, total suspendedWKLY AVG <= 150 mg/L all year
001Solids, total suspendedWKLY AVG <= 150 mg/L all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedDAILY MX report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001DurationMO TOTAL report only all year
001DurationMO TOTAL report only all year
001Chlorine, total residualDAILY MX <= .019 mg/L all year
001Chlorine, total residualDAILY MX <= .019 mg/L all year
001E. coliMO GEOMN <= 126 MPN/100mL May, Jun, Jul, Aug, Sep
001E. coliMO GEOMN <= 126 MPN/100mL May, Jun, Jul, Aug, Sep
001E. coliMO GEOMN <= 630 MPN/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
001E. coliMO GEOMN <= 630 MPN/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
001E. coliDAILY MX <= 576 MPN/100mL May, Jun, Jul, Aug, Sep
001E. coliDAILY MX <= 576 MPN/100mL May, Jun, Jul, Aug, Sep
001E. coliDAILY MX <= 630 MPN/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
001E. coliDAILY MX <= 630 MPN/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Solids, total dissolved [TDS]DAILY MX report only all year
001FlowMO AVG report only all year
001FlowMO AVG report only all year
001FlowDAILY MX report only all year
001FlowDAILY MX report only all year
001BOD, 5-day, percent removalMO AV MN >= 65 % all year
001BOD, 5-day, percent removalMO AV MN >= 65 % all year
001Produced water, oil and greaseDAILY MX <= 10 mg/L all year
001Produced water, oil and greaseDAILY MX <= 10 mg/L all year
002Temperature, water deg. centigradeDAILY MX report only all year
002Temperature, water deg. centigradeDAILY MX report only all year
002Oxygen, dissolved [DO]DAILY MX report only all year
002BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
002BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
002BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
002BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
002BOD, 5-day, 20 deg. CDAILY MX report only all year
002BOD, 5-day, 20 deg. CDAILY MX report only all year
002BOD, 5-day, 20 deg. CDAILY MX report only all year
002BOD, 5-day, 20 deg. CDAILY MX report only all year
002pHINST MIN >= 6.5 SU all year
002pHINST MIN >= 6.5 SU all year
002pHINST MAX <= 9 SU all year
002pHINST MAX <= 9 SU all year
002Solids, total suspendedMO AVG <= 100 mg/L all year
002Solids, total suspendedMO AVG <= 100 mg/L all year
002Solids, total suspendedWKLY AVG <= 150 mg/L all year
002Solids, total suspendedWKLY AVG <= 150 mg/L all year
002Solids, total suspendedDAILY MX report only all year
002Solids, total suspendedDAILY MX report only all year
002Nitrogen, ammonia total [as N]DAILY MX report only all year
002Nitrite + Nitrate total [as N]DAILY MX report only all year
002Phosphorus, total [as P]DAILY MX report only all year
002DurationMO TOTAL report only all year
002DurationMO TOTAL report only all year
002Chlorine, total residualDAILY MX <= .019 mg/L all year
002Chlorine, total residualDAILY MX <= .019 mg/L all year
002E. coliMO GEOMN <= 630 MPN/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
002E. coliMO GEOMN <= 630 MPN/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
002E. coliMO GEOMN <= 126 MPN/100mL May, Jun, Jul, Aug, Sep
002E. coliMO GEOMN <= 126 MPN/100mL May, Jun, Jul, Aug, Sep
002E. coliDAILY MX <= 630 MPN/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
002E. coliDAILY MX <= 630 MPN/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
002E. coliDAILY MX <= 576 MPN/100mL May, Jun, Jul, Aug, Sep
002E. coliDAILY MX <= 576 MPN/100mL May, Jun, Jul, Aug, Sep
002Solids, total dissolved [TDS]DAILY MX report only all year
002FlowMO AVG report only all year
002FlowMO AVG report only all year
002FlowDAILY MX report only all year
002FlowDAILY MX report only all year
002BOD, 5-day, percent removalMO AV MN >= 65 % all year
002BOD, 5-day, percent removalMO AV MN >= 65 % all year
002Produced water, oil and greaseDAILY MX <= 10 mg/L all year
002Produced water, oil and greaseDAILY MX <= 10 mg/L 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