Moorcroft, Town of

NPDES permit WY0021741 · Minor POTW · effective, expires 2031-01-31 · 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

5values over a limit
18required values missing, on 5 form(s)
3of 50 forms filed late

Last period with anything received: 2026-06-30. Most often over: BOD, 5-day, 20 deg. C (2), Nitrogen, ammonia total [as N] (2), BOD, 5-day, percent removal (1).

Reporting

Reports are due about 59 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (100)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeINST MAX report only all year
001Temperature, water deg. centigradeINST MAX report only all year
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeMO AVG 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. CMO AVG report only all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CWKLY AVG report only all year
001BOD, 5-day, 20 deg. CWKLY AVG 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 suspendedMO AVG report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedWKLY AVG report only all year
001Solids, total suspendedWKLY AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedDAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG <= .51 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= .51 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= .92 mg/L (alert) Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= .92 mg/L (alert) Jan, Feb, Mar, Apr, Nov, Dec
001DurationMO TOTAL report only all year
001DurationMO TOTAL report only all year
001Chlorine, total residualMO AVG <= .011 mg/L all year
001Chlorine, total residualMO AVG <= .011 mg/L all year
001Chlorine, total residualDAILY MX <= .019 mg/L all year
001Chlorine, total residualDAILY MX <= .019 mg/L all year
001E. coliMO AVG <= 126 CFU/100mL May, Jun, Jul, Aug, Sep, Oct
001E. coliMO AVG <= 126 CFU/100mL May, Jun, Jul, Aug, Sep, Oct
001E. coliMO AVG <= 630 CFU/100mL Jan, Feb, Mar, Apr, Nov, Dec
001E. coliMO AVG <= 630 CFU/100mL Jan, Feb, Mar, Apr, Nov, Dec
001E. coliDAILY MX <= 236 CFU/100mL May, Jun, Jul, Aug, Sep, Oct
001E. coliDAILY MX <= 236 CFU/100mL May, Jun, Jul, Aug, Sep, Oct
001E. coliDAILY MX <= 630 CFU/100mL Jan, Feb, Mar, Apr, Nov, Dec
001E. coliDAILY MX <= 630 CFU/100mL Jan, Feb, Mar, Apr, Nov, Dec
001FlowDAILY MX <= .31 MGD all year
001FlowDAILY MX <= .31 MGD all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
DBF1Temperature, water deg. centigradeINST MAX report only all year
DBF1Temperature, water deg. centigradeINST MAX report only all year
DBF1Temperature, water deg. centigradeINST MIN report only all year
DBF1Temperature, water deg. centigradeINST MIN report only all year
DBF1pHINST MAX report only all year
DBF1pHINST MAX report only all year
DBF1pHINST MIN report only all year
DBF1pHINST MIN report only all year
DBF1Nitrogen, Ammonia TotalDAILY MX report only all year
DBF1Nitrogen, Ammonia TotalDAILY MX report only all year
DBF1FlowDAILY MX report only all year
DBF1FlowDAILY MX report only all year
DRC1Temperature, water deg. centigradeINST MAX report only all year
DRC1Temperature, water deg. centigradeINST MAX report only all year
DRC1Temperature, water deg. centigradeINST MIN report only all year
DRC1Temperature, water deg. centigradeINST MIN report only all year
DRC1pHINST MAX report only all year
DRC1pHINST MAX report only all year
DRC1pHINST MIN report only all year
DRC1pHINST MIN report only all year
DRC1Nitrogen, Ammonia TotalDAILY MX report only all year
DRC1Nitrogen, Ammonia TotalDAILY MX report only all year
DRC1FlowDAILY MX report only all year
DRC1FlowDAILY MX report only all year
UBF1Temperature, water deg. centigradeINST MAX report only all year
UBF1Temperature, water deg. centigradeINST MAX report only all year
UBF1Temperature, water deg. centigradeINST MIN report only all year
UBF1Temperature, water deg. centigradeINST MIN report only all year
UBF1pHINST MAX report only all year
UBF1pHINST MAX report only all year
UBF1pHINST MIN report only all year
UBF1pHINST MIN report only all year
UBF1Nitrogen, Ammonia TotalDAILY MX report only all year
UBF1Nitrogen, Ammonia TotalDAILY MX report only all year
UBF1FlowDAILY MX report only all year
UBF1FlowDAILY MX report only all year
URC1Temperature, water deg. centigradeINST MAX report only all year
URC1Temperature, water deg. centigradeINST MAX report only all year
URC1Temperature, water deg. centigradeINST MIN report only all year
URC1Temperature, water deg. centigradeINST MIN report only all year
URC1pHINST MAX report only all year
URC1pHINST MAX report only all year
URC1pHINST MIN report only all year
URC1pHINST MIN report only all year
URC1Nitrogen, Ammonia TotalDAILY MX report only all year
URC1Nitrogen, Ammonia TotalDAILY MX report only all year
URC1FlowDAILY MX report only all year
URC1FlowDAILY 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