City of Torrington

NPDES permit WY0020231 · Major POTW · effective, expires 2029-07-31 · 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

7values over a limit
0required values missing, on 0 form(s)
0of 25 forms filed late

Last period with anything received: 2026-07-31. Most often over: BOD, 5-day, 20 deg. C (4), BOD, 5-day, percent removal (1), Solids, suspended percent removal (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 (44)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX report only all year
001Temperature, water deg. centigradeMO AVG 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. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX 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. CDAILY MX report only all year
001pHINST MIN >= 6.5 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 100 mg/L all year
001Solids, total suspendedWKLY AVG <= 150 mg/L all year
001Solids, total suspendedDAILY MX <= 300 mg/L all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 17.75 mg/L May, Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]MO AVG <= 34.74 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX report only May, Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]DAILY MX report only 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
001Arsenic, total [as As]DAILY MX report only all year
001Selenium, total [as Se]DAILY MX report only all year
001Phosphate, ortho [as P]DAILY MX report only all year
001Uranium, totalDAILY MX report only all year
001DurationMO TOTAL report only all year
001Chlorine, total residualDAILY MX <= .21 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Chlorine, total residualDAILY MX <= .2 mg/L May, Jun, Jul, Aug, Sep
001E. coliMO AVG <= 11274 MPN/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
001E. coliMO AVG <= 1429 MPN/100mL May, Jun, Jul, Aug, Sep
001E. coliDAILY MX <= 11274 MPN/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
001E. coliDAILY MX <= 9593 MPN/100mL May, Jun, Jul, Aug, Sep
001Nitrogen, nitrate [NO3], [water]DAILY MX report only all year
001Solids, total dissolvedDAILY MX report only all year
001FlowMO AVG <= .95 MGD all year
001FlowDAILY MX report only all year
001BOD, 5-day, percent removalMO AV MN >= 65 % all year
001Solids, suspended percent removalMO AV MN >= 65 % all year
001Produced water, oil and greaseDAILY MX <= 10 mg/L all year
DMP1Temperature, water deg. centigradeDAILY AV report only all year
DMP1pHINST MIN report only all year
DMP1pHINST MAX 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