City of Green River

NPDES permit WY0020443 · Major POTW · effective, expires 2031-06-30 · 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

1values over a limit
7required values missing, on 6 form(s)
5of 27 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (1).

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (41)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX report only all year
001Oxygen, dissolved [DO]DAILY MX report only all year
001pHINST MIN >= 6.5 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedWKLY AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 29.04 mg/L May, Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]MO AVG <= 32.59 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphate, ortho [as P]DAILY MX report only all year
001DurationMO TOTAL report only all year
001Chlorine, total residualDAILY MX <= .47 mg/L May, Jun, Jul, Aug, Sep
001Chlorine, total residualDAILY MX <= .33 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Chlorine, total residualMO AVG <= .27 mg/L May, Jun, Jul, Aug, Sep
001Chlorine, total residualMO AVG <= .19 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
001E. coliMO GEOMN <= 739 #/100mL May, Jun, Jul, Aug, Sep
001E. coliMO GEOMN <= 9312 #/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
001E. coliDAILY MX <= 3420 #/100mL May, Jun, Jul, Aug, Sep
001E. coliDAILY MX <= 9312 #/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Solids, total dissolvedMO AVG report only all year
001Solids, total dissolvedANNL AVG <= 400 mg/L all year
001FlowMO AVG <= 2.2 MGD all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 40 mg/L all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
001BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG report only all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
001BOD, carbonaceous, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Produced water, oil and greaseDAILY MX <= 10 mg/L all year
001Pass/Fail Static 48Hr Acute Ceriodaphnia dubia4C <= 0 pass=0;fail=1 all year
001Pass/Fail Static 96 Hr Acute Pimephales Promelas9D <= 0 pass=0;fail=1 all year
001Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia4C <= 0 pass=0;fail=1 all year
001Pass/Fail Static Renewal 7Day Chronic Pimephales promelas9D <= 0 pass=0;fail=1 all year
CRS1Solids, total dissolvedDAILY 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