City of Ellensburg

NPDES permit WA0024341 · Major POTW · administratively continued, expires 2023-12-31 · 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.

This permit expired on 2023-12-31 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

0values over a limit
0required values missing, on 0 form(s)
0of 40 forms filed late

Last period with anything received: 2026-08-31.

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 (80)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMAXIMUM report only (alert) all year
001Temperature, water deg. centigradeMAXIMUM report only (alert) all year
001Oxygen, dissolved [DO]AVERAGE report only (alert) all year
001Oxygen, dissolved [DO]AVERAGE report only (alert) all year
001Oxygen, dissolved [DO]MAXIMUM report only (alert) all year
001Oxygen, dissolved [DO]MAXIMUM report only (alert) all year
001Oxygen, dissolved [DO]MINIMUM report only (alert) all year
001Oxygen, dissolved [DO]MINIMUM report only (alert) all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 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. CMO AVG <= 1500 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG <= 1500 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 2250 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 2250 lb/d all year
001pHMAXIMUM <= 9 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMINIMUM >= 6 SU all year
001pHMINIMUM >= 6 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 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 suspendedMO AVG <= 1200 lb/d all year
001Solids, total suspendedMO AVG <= 1200 lb/d all year
001Solids, total suspendedWKLY AVG <= 1800 lb/d all year
001Solids, total suspendedWKLY AVG <= 1800 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 8.2 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 8.2 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 547 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 547 lb/d all year
001Hardness, total [as CaCO3]Single Rdg report only (alert) all year
001Hardness, total [as CaCO3]Single Rdg report only (alert) all year
001Lead, total [as Pb]Single Rdg report only (alert) all year
001Lead, total [as Pb]Single Rdg report only (alert) all year
001Fecal coliform, MPN, EC med, 44.5 CMO GEOMN <= 100 #/100mL all year
001Fecal coliform, MPN, EC med, 44.5 CMO GEOMN <= 100 #/100mL all year
001Fecal coliform, MPN, EC med, 44.5 CWK GEOMN <= 200 #/100mL all year
001Fecal coliform, MPN, EC med, 44.5 CWK GEOMN <= 200 #/100mL all year
001BOD, percent removal [total]MO AV MN >= 85 % all year
001BOD, percent removal [total]MO AV MN >= 85 % 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
001FlowTOTAL report only (alert) all year
001FlowTOTAL report only (alert) all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
002BOD, 5-day, 20 deg. CSingle Rdg report only (alert) all year
002BOD, 5-day, 20 deg. CSingle Rdg report only (alert) all year
002Solids, total suspendedSingle Rdg report only (alert) all year
002Solids, total suspendedSingle Rdg report only (alert) all year
002Fecal coliform, MPN, EC med, 44.5 CSingle Rdg report only (alert) all year
002Fecal coliform, MPN, EC med, 44.5 CSingle Rdg report only (alert) all year
002Flow, totalSingle Rdg report only (alert) all year
002Flow, totalSingle Rdg 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. 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
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 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
INFFlowTOTAL report only (alert) all year
INFFlowTOTAL 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