Buffalo, Town of

NPDES permit WY0021024 · Minor POTW · effective, expires 2026-10-31 · 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

0values over a limit
0required values missing, on 0 form(s)
0of 20 forms filed late

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

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among WY permits in EPA's filings — check your permit).

Limits in force (43)

OutfallParameterStatisticLimitMonths
003Temperature, water deg. centigradeDAILY MX report only all year
003Temperature, water deg. centigradeMO AVG report only all year
003Oxygen, dissolved [DO]DAILY MX report only 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
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
003pHINST MIN >= 6.5 SU all year
003pHINST MAX <= 9 SU all year
003Solids, total suspendedMO AVG report only all year
003Solids, total suspendedDAILY MX report only all year
003Solids, total suspendedWKLY AVG report only all year
003Solids, total suspendedMO AVG <= 30 mg/L all year
003Solids, total suspendedWKLY AVG <= 45 mg/L all year
003Solids, total suspendedDAILY MX <= 90 mg/L all year
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 <= .003 mg/L Jan, Feb, Mar, Oct, Nov, Dec
003Chlorine, total residualDAILY MX <= .01 mg/L Apr, May, Jun, Jul, Aug, Sep
003Chlorine, total residualDAILY MX <= .005 mg/L Jan, Feb, Mar, Oct, Nov, Dec
003Chlorine, total residualMO AVG <= .004 mg/L Apr, May, Jun, Jul, Aug, Sep
003E. coliMO GEOMN <= 153 #/100mL Jan, Feb, Mar, Oct, Nov, Dec
003E. coliMO GEOMN <= 47 #/100mL Apr, May, Jun, Jul, Aug, Sep
003E. coliDAILY MX <= 153 #/100mL Jan, Feb, Mar, Oct, Nov, Dec
003E. coliDAILY MX <= 113 #/100mL Apr, May, Jun, Jul, Aug, Sep
003Nitrogen, Ammonia TotalMO AVG <= .32 mg/L Apr, May, Jun, Jul, Aug, Sep
003Nitrogen, Ammonia TotalMO AVG <= .51 mg/L Jan, Feb, Mar, Oct, Nov, Dec
003Nitrogen, Ammonia TotalDAILY MX <= 1.45 mg/L Apr, May, Jun, Jul, Aug, Sep
003Nitrogen, Ammonia TotalDAILY MX <= 1.31 mg/L Jan, Feb, Mar, Oct, Nov, Dec
003Solids, total dissolvedDAILY MX report only all year
003FlowMO AVG <= 1.8 MGD all year
003FlowDAILY MX report only all year
003BOD, 5-day, percent removalMO AV MN >= 85 % all year
003Solids, suspended percent removalMO AV MN >= 85 % all year
003Produced water, oil and greaseDAILY MX report only all year
003Pass/Fail Static 48Hr Acute Ceriodaphnia dubia4C = 0 pass=0;fail=1 all year
003Pass/Fail Static 96 Hr Acute Pimephales Promelas9D = 0 pass=0;fail=1 all year
DMP1Temperature, water deg. centigradeDAILY MX report only all year
DMP1pHINST MAX report only all year
DMP1pHINST MIN 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