City of Sequim

NPDES permit WA0022349 · Minor POTW · administratively continued, expires 2019-03-31 · 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

4values over a limit
1required values missing, on 1 form(s)
4of 104 forms filed late

Last period with anything received: 2026-08-31. Most often over: Nitrogen, nitrate total [as N] (2), Copper, total [as Cu] (2).

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 (149)

OutfallParameterStatisticLimitMonths
001FlowAVERAGE report only (alert) all year
001FlowMAXIMUM report only (alert) all year
0RWTemperature, water deg. centigradeAVERAGE report only (alert) all year
0RWTemperature, water deg. centigradeMAXIMUM report only (alert) all year
0RWTurbidityDAILY MX <= 5 NTU all year
0RWTurbidityAVERAGE <= 2 NTU all year
0RWOxygen, dissolved [DO]MINIMUM report only (alert) all year
0RWBOD, 5-day, 20 deg. CAVERAGE <= 20 mg/L all year
0RWBOD, 5-day, 20 deg. CWKLY AVG <= 30 mg/L all year
0RWBOD, 5-day, 20 deg. CAVERAGE <= 279 lb/d all year
0RWBOD, 5-day, 20 deg. CWKLY AVG <= 419 lb/d all year
0RWpHDAILY MN >= 6 SU all year
0RWpHDAILY MX <= 9 SU all year
0RWSolids, total suspendedAVERAGE <= 30 mg/L all year
0RWSolids, total suspendedWKLY AVG <= 45 mg/L all year
0RWSolids, total suspendedAVERAGE <= 418 lb/d all year
0RWSolids, total suspendedWKLY AVG <= 627 lb/d all year
0RWOil and grease, hexane extr methodAVERAGE report only (alert) all year
0RWNitrogen, total [as N]AVERAGE <= 10 mg/L all year
0RWNitrogen, ammonia total [as N]AVERAGE <= 3.3 mg/L all year
0RWNitrogen, Kjeldahl, total [as N]AVERAGE report only (alert) all year
0RWNitrogen, Kjeldahl, total [as N]MAXIMUM report only (alert) all year
0RWNitrite + Nitrate total [as N]AVERAGE report only (alert) all year
0RWNitrite + Nitrate total [as N]MAXIMUM report only (alert) all year
0RWPhosphorus, total [as P]MAXIMUM report only (alert) all year
0RWCyanide, weak acid, dissociableAVERAGE report only (alert) all year
0RWHardness, total [as CaCO3]AVERAGE report only (alert) all year
0RWPhosphorus [reactive as P]MAXIMUM report only (alert) all year
0RWPhenolics, totalAVERAGE report only (alert) all year
0RWBOD, percent removal [total]MO AV MN >= 85 % all year
0RWSolids, total dissolvedAVERAGE report only (alert) all year
0RWColiform, total generalDAILY MX <= 23 #/100mL all year
0RWFlowAVERAGE report only (alert) all year
0RWFlowMAXIMUM report only (alert) all year
0RWSolids, suspended percent removalMO AV MN >= 85 % all year
0UCBOD, 5-day, 20 deg. CAVERAGE <= 30 mg/L all year
0UCBOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
0UCBOD, 5-day, 20 deg. CAVERAGE <= 200 lb/d all year
0UCBOD, 5-day, 20 deg. CWKLY AVG <= 300 lb/d all year
0UCpHMAXIMUM <= 9 SU all year
0UCpHMINIMUM >= 6 SU all year
0UCSolids, total suspendedAVERAGE <= 30 mg/L all year
0UCSolids, total suspendedWKLY AVG <= 45 mg/L all year
0UCSolids, total suspendedAVERAGE <= 200 lb/d all year
0UCSolids, total suspendedWKLY AVG <= 300 lb/d all year
0UCBOD, percent removal [total]MO AV MN >= 85 % all year
0UCColiform, total generalMO GEOMN <= 200 #/100mL all year
0UCColiform, total generalWK GEOMN <= 400 #/100mL all year
0UCSolids, suspended percent removalMO AV MN >= 85 % 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. CAVERAGE 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 suspendedMAXIMUM report only (alert) all year
INFSolids, total suspendedAVERAGE report only (alert) all year
INFSolids, total suspendedMAXIMUM report only (alert) all year
INFFlowAVERAGE report only (alert) all year
INFFlowMAXIMUM report only (alert) all year
MW5Temperature, water deg. centigradeMAXIMUM report only (alert) all year
MW5ConductivityMAXIMUM report only (alert) all year
MW5Sulfate [as S]MAXIMUM <= 250 mg/L all year
MW5Oxygen, dissolved [DO]MAXIMUM report only (alert) all year
MW5pHMAXIMUM report only (alert) all year
MW5pHMINIMUM report only (alert) all year
MW5Alkalinity, bicarbonate [as CaCO3]MAXIMUM report only (alert) all year
MW5Alkalinity, carbonate [as CaCO3]MAXIMUM report only (alert) all year
MW5Nitrogen, nitrite total [as N]MAXIMUM <= 1 mg/L all year
MW5Nitrogen, nitrate total [as N]MAXIMUM <= 10 mg/L all year
MW5Calcium, total [as Ca]MAXIMUM report only (alert) all year
MW5Magnesium, total [as Mg]MAXIMUM report only (alert) all year
MW5Sodium, total [as Na]MAXIMUM report only (alert) all year
MW5Potassium, total [as K]MAXIMUM report only (alert) all year
MW5Chloride [as Cl]MAXIMUM <= 250 mg/L all year
MW5Fluoride, total [as F]MAXIMUM <= 2 mg/L all year
MW5Arsenic, total [as As]MAXIMUM <= 10 ug/L all year
MW5Cadmium, total [as Cd]MAXIMUM <= 5 ug/L all year
MW5Chromium, total [as Cr]MAXIMUM <= 100 ug/L all year
MW5Copper, total [as Cu]MAXIMUM <= 1300 ug/L all year
MW5Lead, total [as Pb]MAXIMUM <= 15 ug/L all year
MW5Manganese, total [as Mn]MAXIMUM <= 50 ug/L all year
MW5Nickel, total [as Ni]MAXIMUM <= 100 ug/L all year
MW5Silver, total [as Ag]MAXIMUM <= 100 ug/L all year
MW5Zinc, total [as Zn]MAXIMUM <= 5000 ug/L all year
MW5Solids, total dissolvedMAXIMUM <= 500 mg/L all year
MW5Mercury, total [as Hg]MAXIMUM <= 2 ug/L all year
MW5Depth to water level ft below landsurfaceMAXIMUM report only (alert) all year
MW5Coliform, total generalQRTR AVG report only (alert) all year
MW5Trihalomethane, tot.MAXIMUM <= 80 ug/L all year
MW6Temperature, water deg. centigradeMAXIMUM report only (alert) all year
MW6ConductivityMAXIMUM report only (alert) all year
MW6Sulfate [as S]MAXIMUM <= 250 mg/L all year
MW6Oxygen, dissolved [DO]MAXIMUM report only (alert) all year
MW6pHMAXIMUM report only (alert) all year
MW6pHMINIMUM report only (alert) all year
MW6Alkalinity, bicarbonate [as CaCO3]MAXIMUM report only (alert) all year
MW6Alkalinity, carbonate [as CaCO3]MAXIMUM report only (alert) all year
MW6Nitrogen, nitrite total [as N]MAXIMUM <= 1 mg/L all year
MW6Nitrogen, nitrate total [as N]MAXIMUM <= 10 mg/L all year
MW6Calcium, total [as Ca]MAXIMUM report only (alert) all year
MW6Magnesium, total [as Mg]MAXIMUM report only (alert) all year
MW6Sodium, total [as Na]MAXIMUM report only (alert) all year
MW6Potassium, total [as K]MAXIMUM report only (alert) all year
MW6Chloride [as Cl]MAXIMUM <= 250 mg/L all year
MW6Fluoride, total [as F]MAXIMUM <= 2 mg/L all year
MW6Arsenic, total [as As]MAXIMUM <= 10 ug/L all year
MW6Cadmium, total [as Cd]MAXIMUM <= 5 ug/L all year
MW6Chromium, total [as Cr]MAXIMUM <= 100 ug/L all year
MW6Copper, total [as Cu]MAXIMUM <= 1300 ug/L all year
MW6Lead, total [as Pb]MAXIMUM <= 15 ug/L all year
MW6Manganese, total [as Mn]MAXIMUM <= 50 ug/L all year
MW6Nickel, total [as Ni]MAXIMUM <= 100 ug/L all year
MW6Silver, total [as Ag]MAXIMUM <= 100 ug/L all year
MW6Zinc, total [as Zn]MAXIMUM <= 5000 ug/L all year
MW6Solids, total dissolvedMAXIMUM <= 500 mg/L all year
MW6Mercury, total [as Hg]MAXIMUM <= 2 ug/L all year
MW6Depth to water level ft below landsurfaceMAXIMUM report only (alert) all year
MW6Coliform, total generalQRTR AVG report only (alert) all year
MW6Trihalomethane, tot.MAXIMUM <= 80 ug/L all year
MW9Temperature, water deg. centigradeMAXIMUM report only (alert) all year
MW9ConductivityMAXIMUM report only (alert) all year
MW9Sulfate [as S]MAXIMUM <= 250 mg/L all year
MW9Oxygen, dissolved [DO]MAXIMUM report only (alert) all year
MW9pHMAXIMUM report only (alert) all year
MW9pHMINIMUM report only (alert) all year
MW9Alkalinity, bicarbonate [as CaCO3]MAXIMUM report only (alert) all year
MW9Alkalinity, carbonate [as CaCO3]MAXIMUM report only (alert) all year
MW9Nitrogen, nitrite total [as N]MAXIMUM <= 1 mg/L all year
MW9Nitrogen, nitrate total [as N]MAXIMUM <= 10 mg/L all year
MW9Calcium, total [as Ca]MAXIMUM report only (alert) all year
MW9Magnesium, total [as Mg]MAXIMUM report only (alert) all year
MW9Sodium, total [as Na]MAXIMUM report only (alert) all year
MW9Potassium, total [as K]MAXIMUM report only (alert) all year
MW9Chloride [as Cl]MAXIMUM <= 250 mg/L all year
MW9Fluoride, total [as F]MAXIMUM <= 2 mg/L all year
MW9Arsenic, total [as As]MAXIMUM <= 10 ug/L all year
MW9Cadmium, total [as Cd]MAXIMUM <= 5 ug/L all year
MW9Chromium, total [as Cr]MAXIMUM <= 100 ug/L all year
MW9Copper, total [as Cu]MAXIMUM <= 1300 ug/L all year
MW9Lead, total [as Pb]MAXIMUM <= 15 ug/L all year
MW9Manganese, total [as Mn]MAXIMUM <= 50 ug/L all year
MW9Nickel, total [as Ni]MAXIMUM <= 100 ug/L all year
MW9Silver, total [as Ag]MAXIMUM <= 100 ug/L all year
MW9Zinc, total [as Zn]MAXIMUM <= 5000 ug/L all year
MW9Solids, total dissolvedMAXIMUM <= 500 mg/L all year
MW9Mercury, total [as Hg]MAXIMUM <= 2 ug/L all year
MW9Depth to water level ft below landsurfaceMAXIMUM report only (alert) all year
MW9Coliform, total generalQRTR AVG report only (alert) all year
MW9Trihalomethane, tot.MAXIMUM <= 80 ug/L 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