Worland, City of

NPDES permit WY0020176 · Major POTW · effective, expires 2027-04-30 · 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

0values over a limit
0required values missing, on 0 form(s)
0of 47 forms filed late

Last period with anything received: 2026-07-31.

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 (76)

OutfallParameterStatisticLimitMonths
003Temperature, water deg. centigradeDAILY MX report only all year
003Oxygen, dissolved [DO]DAILY MX report only all year
003BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
003BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
003BOD, 5-day, 20 deg. CDAILY MX <= 90 mg/L all year
003BOD, 5-day, 20 deg. CMO AVG report only all year
003BOD, 5-day, 20 deg. CWKLY AVG report only all year
003BOD, 5-day, 20 deg. CDAILY MX report only all year
003pHINST MIN >= 6.5 SU all year
003pHINST MAX <= 9 SU all year
003Solids, total suspendedMO AVG <= 45 mg/L all year
003Solids, total suspendedWKLY AVG <= 65 mg/L all year
003Solids, total suspendedMO AVG report only all year
003Solids, total suspendedWKLY AVG report only all year
003Solids, total suspendedDAILY MX report only all year
003Nitrogen, ammonia total [as N]MO AVG <= 27.01 mg/L Jan, Feb, Mar, Oct, Nov, Dec
003Nitrogen, ammonia total [as N]MO AVG <= 29.85 mg/L Apr, May, Jun, Jul, Aug, Sep
003Nitrogen, ammonia total [as N]DAILY MX <= 81.68 mg/L Jan, Feb, Mar, Oct, Nov, Dec
003Nitrogen, ammonia total [as N]DAILY MX <= 140.06 mg/L Apr, May, Jun, Jul, Aug, Sep
003Nitrite + Nitrate total [as N]DAILY MX report only all year
003Phosphorus, total [as P]DAILY MX report only all year
003DurationMO TOTAL report only all year
003Chlorine, total residualMO AVG <= .04 mg/L Apr, May, Jun, Jul, Aug, Sep
003Chlorine, total residualMO AVG <= .06 mg/L Jan, Feb, Mar, Oct, Nov, Dec
003Chlorine, total residualDAILY MX <= .06 mg/L Apr, May, Jun, Jul, Aug, Sep
003Chlorine, total residualDAILY MX <= .11 mg/L Jan, Feb, Mar, Oct, Nov, Dec
003E. coliMO AVG <= 126 CFU/100mL Apr, May, Jun, Jul, Aug, Sep
003E. coliDAILY MX <= 630 CFU/100mL Jan, Feb, Mar, Oct, Nov, Dec
003E. coliDAILY MX <= 235 CFU/100mL Apr, May, Jun, Jul, Aug, Sep
003E. coliMO AVG <= 630 CFU/100mL Jan, Feb, Mar, Oct, Nov, Dec
003FlowMO AVG report only all year
003FlowDAILY MX report only all year
003BOD, 5-day, percent removalMO AV MN >= 65 % all year
003Produced water, oil and greaseDAILY MX <= 10 mg/L all year
003Pass/Fail Static Renewal 7Day Chronic Pimephales promelas7E = 0 pass=0;fail=1 all year
003Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7E = 0 pass=0;fail=1 all year
004Temperature, water deg. centigradeDAILY MX report only all year
004Oxygen, dissolved [DO]DAILY MX report only all year
004BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
004BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
004BOD, 5-day, 20 deg. CDAILY MX <= 90 mg/L all year
004BOD, 5-day, 20 deg. CMO AVG report only all year
004BOD, 5-day, 20 deg. CWKLY AVG report only all year
004BOD, 5-day, 20 deg. CDAILY MX report only all year
004pHINST MIN >= 6.5 SU all year
004pHINST MAX <= 9 SU all year
004Solids, total suspendedMO AVG <= 45 mg/L all year
004Solids, total suspendedWKLY AVG <= 65 mg/L all year
004Solids, total suspendedMO AVG report only all year
004Solids, total suspendedWKLY AVG report only all year
004Solids, total suspendedDAILY MX report only all year
004Nitrogen, ammonia total [as N]MO AVG <= 27.01 mg/L Jan, Feb, Mar, Oct, Nov, Dec
004Nitrogen, ammonia total [as N]MO AVG <= 29.85 mg/L Apr, May, Jun, Jul, Aug, Sep
004Nitrogen, ammonia total [as N]DAILY MX <= 81.68 mg/L Jan, Feb, Mar, Oct, Nov, Dec
004Nitrogen, ammonia total [as N]DAILY MX <= 140.06 mg/L Apr, May, Jun, Jul, Aug, Sep
004Nitrite + Nitrate total [as N]DAILY MX report only all year
004Phosphorus, total [as P]DAILY MX report only all year
004DurationMO TOTAL report only all year
004Chlorine, total residualMO AVG <= .04 mg/L Apr, May, Jun, Jul, Aug, Sep
004Chlorine, total residualMO AVG <= .06 mg/L Jan, Feb, Mar, Oct, Nov, Dec
004Chlorine, total residualDAILY MX <= .06 mg/L Apr, May, Jun, Jul, Aug, Sep
004Chlorine, total residualDAILY MX <= .11 mg/L Jan, Feb, Mar, Oct, Nov, Dec
004E. coliDAILY MX <= 630 CFU/100mL Jan, Feb, Mar, Oct, Nov, Dec
004E. coliMO AVG <= 126 CFU/100mL Apr, May, Jun, Jul, Aug, Sep
004E. coliMO AVG <= 630 CFU/100mL Jan, Feb, Mar, Oct, Nov, Dec
004E. coliDAILY MX <= 235 CFU/100mL Apr, May, Jun, Jul, Aug, Sep
004FlowMO AVG report only all year
004FlowDAILY MX report only all year
004BOD, 5-day, percent removalMO AV MN >= 65 % all year
004Produced water, oil and greaseDAILY MX <= 10 mg/L all year
004Pass/Fail Static Renewal 7Day Chronic Pimephales promelas7E = 0 pass=0;fail=1 all year
004Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7E = 0 pass=0;fail=1 all year
DMP3Temperature, water deg. centigradeDAILY MX report only all year
DMP3pHINST MAX report only all year
DMP3pHINST MIN report only all year
SUMFlowMO AVG <= 1.95 MGD 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