Town of Fairfield

NPDES permit WA0045489 · Minor POTW · administratively continued, expires 2014-04-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 22 forms filed late

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

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among WA permits in EPA's filings — check your permit).

Limits in force (45)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG <= 15 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 23 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 29 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG <= 29 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 44.5 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 44.5 lb/d all year
001pHMAXIMUM <= 9 SU all year
001pHMINIMUM >= 6 SU all year
001Solids, total suspendedMO AVG <= 15 mg/L all year
001Solids, total suspendedWKLY AVG <= 23 mg/L all year
001Solids, total suspendedMO AVG <= 29 lb/d all year
001Solids, total suspendedMO AVG <= 29 lb/d all year
001Solids, total suspendedWKLY AVG <= 44.5 lb/d all year
001Solids, total suspendedWKLY AVG <= 44.5 lb/d all year
001Nitrogen, ammonia total [as N]AVERAGE <= 2.3 mg/L Jan, Feb, Mar, Apr, May, Dec
001Nitrogen, ammonia total [as N]AVERAGE report only (alert) Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]AVERAGE <= 1.2 mg/L Oct, Nov
001Nitrogen, ammonia total [as N]MAXIMUM <= 4.6 mg/L Jan, Feb, Mar, Apr, May, Dec
001Nitrogen, ammonia total [as N]MAXIMUM report only (alert) Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]MAXIMUM <= 2.5 mg/L Oct, Nov
001BOD, percent removal [total]MO AV MN >= 85 % all year
001Coliform, fecal generalMO AVG <= 100 #/100mL all year
001Coliform, fecal generalWKLY AVG <= 200 #/100mL all year
001FlowAVERAGE report only (alert) all year
001FlowMAXIMUM report only (alert) all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
IN1BOD, 5-day, 20 deg. CAVERAGE report only (alert) all year
IN1BOD, 5-day, 20 deg. CMAXIMUM report only (alert) all year
IN1BOD, 5-day, 20 deg. CMAXIMUM report only (alert) all year
IN1BOD, 5-day, 20 deg. CAVERAGE <= 193 lb/d (alert) all year
IN1BOD, 5-day, 20 deg. CMAXIMUM report only (alert) all year
IN1Solids, total suspendedAVERAGE report only (alert) all year
IN1Solids, total suspendedMAXIMUM report only (alert) all year
IN1Solids, total suspendedAVERAGE report only (alert) all year
IN1Solids, total suspendedAVERAGE report only (alert) all year
IN1Solids, total suspendedMAXIMUM report only (alert) all year
IN1Solids, total suspendedMAXIMUM report only (alert) all year
IN1Phosphorus, total [as P]AVERAGE report only (alert) all year
IN1Phosphorus, total [as P]MAXIMUM report only (alert) all year
IN1Phosphorus, total [as P]AVERAGE report only (alert) all year
IN1Phosphorus, total [as P]AVERAGE report only (alert) all year
IN1Phosphorus, total [as P]MAXIMUM report only (alert) all year
IN1Phosphorus, total [as P]MAXIMUM report only (alert) all year
IN1FlowAVERAGE report only (alert) all year
IN1FlowMAXIMUM 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