Three Rivers Regional Wastewater Authority

NPDES permit WA0037788 · Major POTW · administratively continued, expires 2026-02-28 · 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
20required values missing, on 10 form(s)
0of 19 forms filed late

Last period with anything received: 2026-02-28.

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 (51)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeAVERAGE report only (alert) all year
001Temperature, water deg. centigradeDAILY MX report only (alert) all year
001Oxygen, dissolved [DO]AVERAGE report only (alert) 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 <= 4815 lb/d all year
001Solids, total suspendedWKLY AVG <= 7223 lb/d all year
001Oil and grease [soxhlet extr.] tot.AVERAGE report only (alert) all year
001Nitrogen, ammonia total [as N]AVERAGE <= 15 mg/L (alert) May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]AVERAGE <= 22.8 mg/L (alert) Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MAXIMUM report only (alert) Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]AVERAGE report only (alert) all year
001Nitrogen, ammonia total [as N]MAXIMUM report only (alert) all year
001Nitrogen, Kjeldahl, total [as N]AVERAGE report only (alert) all year
001Nitrite + Nitrate total [as N]AVERAGE report only (alert) all year
001Phosphorus, total [as P]AVERAGE report only (alert) all year
001Phosphorus, dissolved reactive [drp as P]AVERAGE report only (alert) all year
001Hardness, total [as CaCO3]AVERAGE report only (alert) all year
001Chlorine, total residualAVERAGE <= .03 mg/L all year
001Chlorine, total residualWKLY AVG <= .09 mg/L all year
001Chlorine, total residualAVERAGE <= 7 lb/d all year
001Chlorine, total residualWKLY AVG <= 20 lb/d all year
001Net rate of additionof heatMO AVG <= 3190 mkcal/day Jul, Aug, Sep
001Solids, total dissolvedAVERAGE report only (alert) all year
001Coliform, fecal generalMO GEOMN <= 200 #/100mL all year
001Coliform, fecal generalWK GEOMN <= 400 #/100mL all year
001FlowAVERAGE report only (alert) all year
001FlowMAXIMUM report only (alert) all year
001BOD, carbonaceous [5 day, 20 C]AVERAGE <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 40 mg/L all year
001BOD, carbonaceous [5 day, 20 C]AVERAGE <= 3900 lb/d all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 5850 lb/d all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Carbonaceous oxygen demand, % removalMO AV MN >= 85 % all year
INFSolids, total suspendedAVERAGE report only (alert) all year
INFSolids, total suspendedMAXIMUM report only (alert) all year
INFSolids, total suspendedAVERAGE report only (alert) all year
INFSolids, total suspendedMAXIMUM report only (alert) all year
INFNitrogen, ammonia total [as N]AVERAGE report only (alert) all year
INFNitrogen, ammonia total [as N]MAXIMUM report only (alert) all year
INFNitrogen, ammonia total [as N]AVERAGE report only (alert) all year
INFNitrogen, ammonia total [as N]MAXIMUM report only (alert) all year
INFFlowAVERAGE report only (alert) all year
INFFlowMAXIMUM report only (alert) all year
INFBOD, carbonaceous [5 day, 20 C]AVERAGE report only (alert) all year
INFBOD, carbonaceous [5 day, 20 C]MAXIMUM report only (alert) all year
INFBOD, carbonaceous [5 day, 20 C]AVERAGE report only (alert) all year
INFBOD, carbonaceous [5 day, 20 C]MAXIMUM 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