City of Mabton

NPDES permit WA0020648 · Minor POTW · effective, expires 2031-07-31 · 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

0values over a limit
0required values missing, on 0 form(s)
2of 20 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (37)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMAXIMUM report only (alert) all year
001Temperature, water deg. centigradeMO AV MN report only (alert) all year
001Oxygen, dissolved [DO]MO AV MN >= 4 mg/L all year
001Oxygen, dissolved [DO]WKLY AVG <= 3 mg/L all year
001BOD, 5-day, 20 deg. CAVERAGE <= 10 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 15 mg/L all year
001BOD, 5-day, 20 deg. CAVERAGE <= 24.2 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 36.3 lb/d all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedAVERAGE <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedAVERAGE <= 72.6 lb/d all year
001Solids, total suspendedWKLY AVG <= 108.8 lb/d all year
001Nitrogen, ammonia total [as N]AVERAGE <= 3.5 mg/L all year
001Nitrogen, ammonia total [as N]MAXIMUM <= 6.1 mg/L all year
001Nitrogen, ammonia total [as N]MAXIMUM report only (alert) all year
001Nitrogen, ammonia total [as N]MO AV MN report only (alert) all year
001Phosphorus, total [as P]MO AV MN report only (alert) all year
001BOD, percent removal [total]MO AV MN >= 85 % all year
001Coliform, fecal generalMO GEOMN <= 100 #/100mL all year
001Coliform, fecal generalWK GEOMN <= 200 #/100mL all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
002Alkalinity, total [as CaCO3]Single Rdg report only (alert) all year
002Nitrogen, Kjeldahl, total [as N]Single Rdg report only (alert) all year
002Nitrite + Nitrate total [as N]Single Rdg report only (alert) all year
002Hardness, total [as CaCO3]Single Rdg report only (alert) all year
002E. coliSingle Rdg report only (alert) all year
002Oil & grease, non-polar materialSingle Rdg report only (alert) all year
002Solids, total dissolvedSingle Rdg report only (alert) all year
IN1BOD, 5-day, 20 deg. CMAXIMUM report only (alert) all year
IN1BOD, 5-day, 20 deg. CMO AV MN report only (alert) all year
IN1Solids, total suspendedMAXIMUM report only (alert) all year
IN1Solids, total suspendedMO AV MN report only (alert) all year
IN1FlowMAXIMUM report only (alert) all year
IN1FlowMO AV MN report only (alert) all year
IN1FlowMO TOTAL report only (alert) 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