Thurston County Public Works

NPDES permit WA0040291 · Minor POTW · administratively continued, expires 2017-01-30 · 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.

This permit expired on 2017-01-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

1values over a limit
10required values missing, on 10 form(s)
0of 26 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (1).

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 (69)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeAVERAGE report only (alert) all year
001Temperature, water deg. centigradeAVERAGE report only (alert) all year
001Temperature, water deg. centigradeDAILY MX report only (alert) all year
001Temperature, water deg. centigradeDAILY MX report only (alert) all year
001BOD, 5-day, 20 deg. CAVERAGE <= 30 mg/L all year
001BOD, 5-day, 20 deg. CAVERAGE <= 30 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CAVERAGE <= 14 lb/d all year
001BOD, 5-day, 20 deg. CAVERAGE <= 14 lb/d all year
001BOD, 5-day, 20 deg. CAVERAGE <= 14 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 20 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 20 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 20 lb/d all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedAVERAGE <= 30 mg/L all year
001Solids, total suspendedAVERAGE <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedAVERAGE <= 5 lb/d all year
001Solids, total suspendedAVERAGE <= 5 lb/d all year
001Solids, total suspendedAVERAGE <= 5 lb/d all year
001Solids, total suspendedWKLY AVG <= 7 lb/d all year
001Solids, total suspendedWKLY AVG <= 7 lb/d all year
001Solids, total suspendedWKLY AVG <= 7 lb/d all year
001Nitrogen, ammonia total [as N]QRTR AVG report only (alert) all year
001Nitrogen, ammonia total [as N]QRTR AVG report only (alert) all year
001Nitrogen, Kjeldahl, total [as N]QRTR AVG report only (alert) all year
001Nitrogen, Kjeldahl, total [as N]QRTR AVG report only (alert) all year
001Nitrite + Nitrate total [as N]QRTR AVG report only (alert) all year
001Nitrite + Nitrate total [as N]QRTR AVG report only (alert) all year
001BOD, percent removal [total]AVERAGE report only (alert) all year
001BOD, percent removal [total]AVERAGE report only (alert) all year
001Coliform, fecal generalGEO MEAN <= 200 #/100mL all year
001Coliform, fecal generalGEO MEAN <= 200 #/100mL all year
001Coliform, fecal generalWK GEOMN <= 400 #/100mL all year
001Coliform, fecal generalWK GEOMN <= 400 #/100mL all year
001FlowAVERAGE report only (alert) all year
001FlowAVERAGE report only (alert) all year
001FlowMAXIMUM report only (alert) all year
001FlowMAXIMUM report only (alert) all year
001Solids, suspended percent removalAVERAGE report only all year
INFBOD, 5-day, 20 deg. CAVERAGE report only (alert) all year
INFBOD, 5-day, 20 deg. CAVERAGE report only (alert) all year
INFBOD, 5-day, 20 deg. CMAXIMUM report only (alert) all year
INFBOD, 5-day, 20 deg. CMAXIMUM report only (alert) all year
INFBOD, 5-day, 20 deg. CAVERAGE report only (alert) all year
INFBOD, 5-day, 20 deg. CAVERAGE report only (alert) all year
INFBOD, 5-day, 20 deg. CAVERAGE report only (alert) all year
INFBOD, 5-day, 20 deg. CMAXIMUM report only (alert) all year
INFBOD, 5-day, 20 deg. CMAXIMUM report only (alert) all year
INFBOD, 5-day, 20 deg. CMAXIMUM report only (alert) all year
INFSolids, total suspendedAVERAGE report only (alert) all year
INFSolids, total suspendedAVERAGE report only (alert) all year
INFSolids, total suspendedMAXIMUM report only (alert) all year
INFSolids, total suspendedMAXIMUM report only (alert) all year
INFSolids, total suspendedAVERAGE report only (alert) all year
INFSolids, total suspendedAVERAGE report only (alert) all year
INFSolids, total suspendedAVERAGE report only (alert) all year
INFSolids, total suspendedMAXIMUM report only (alert) all year
INFSolids, total suspendedMAXIMUM report only (alert) all year
INFSolids, total suspendedMAXIMUM report only (alert) all year
INFFlowAVERAGE report only (alert) all year
INFFlowAVERAGE report only (alert) all year
INFFlowMAXIMUM report only (alert) all year
INFFlowMAXIMUM 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