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Sewage treatment plant, Sequim, Washington. NPDES permit WA0022349 expired Mar 31, 2019; its limits still apply. Last 12 months: over a limit 3 times (last December 2025), 12 required values missing, 4 of 104 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| December 2025 | MW5 | Copper, total [as Cu], maximum | > .02 | ≤ 1300 ug/L | — |
| December 2025 | MW6 | Copper, total [as Cu], maximum | > .02 | ≤ 1300 ug/L | — |
| December 2025 | MW6 | Nitrogen, nitrate total [as N], maximum | 10.7 | ≤ 10 mg/L | 7% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Flow | average | report only (MGD) (alert, not enforceable) | all year | 001 |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | 001 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | 001 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | 001 |
| Depth to water level ft below landsurface | average | report only (ft) (alert, not enforceable) | all year | 0RB |
| Depth to water level ft below landsurface | daily maximum | ≤ 3 ft | all year | 0RB |
| Depth to water level ft below landsurface | daily maximum | ≤ 3 ft (alert, not enforceable) | all year | 0RB |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | 0RB |
| Flow | daily maximum | ≤ .2 MGD | all year | 0RB |
| Flow | daily maximum | ≤ .2 MGD (alert, not enforceable) | all year | 0RB |
| Temperature, water deg. centigrade | average | report only (deg C) (alert, not enforceable) | all year | 0RW |
| Temperature, water deg. centigrade | average | report only (deg C) (alert, not enforceable) | all year | 0RW |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | 0RW |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | 0RW |
| Turbidity | daily maximum | ≤ 5 NTU | all year | 0RW |
| Turbidity | daily maximum | ≤ 5 NTU | all year | 0RW |
| Turbidity | average | ≤ 2 NTU | all year | 0RW |
| Turbidity | average | ≤ 2 NTU | all year | 0RW |
| Oxygen, dissolved [DO] | minimum | report only (mg/L) (alert, not enforceable) | all year | 0RW |
| Oxygen, dissolved [DO] | minimum | report only (mg/L) (alert, not enforceable) | all year | 0RW |
| BOD, 5-day, 20 deg. C | average | ≤ 20 mg/L | all year | 0RW |
| BOD, 5-day, 20 deg. C | average | ≤ 20 mg/L | all year | 0RW |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 30 mg/L | all year | 0RW |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 30 mg/L | all year | 0RW |
| BOD, 5-day, 20 deg. C | average | ≤ 279 lb/d | all year | 0RW |
| BOD, 5-day, 20 deg. C | average | ≤ 279 lb/d | all year | 0RW |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 419 lb/d | all year | 0RW |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 419 lb/d | all year | 0RW |
| pH | daily minimum | ≥ 6 SU | all year | 0RW |
| pH | daily minimum | ≥ 6 SU | all year | 0RW |
| pH | daily maximum | ≤ 9 SU | all year | 0RW |
| pH | daily maximum | ≤ 9 SU | all year | 0RW |
| Solids, total suspended | average | ≤ 30 mg/L | all year | 0RW |
| Solids, total suspended | average | ≤ 30 mg/L | all year | 0RW |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 0RW |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 0RW |
| Solids, total suspended | average | ≤ 418 lb/d | all year | 0RW |
| Solids, total suspended | average | ≤ 418 lb/d | all year | 0RW |
| Solids, total suspended | weekly average | ≤ 627 lb/d | all year | 0RW |
| Solids, total suspended | weekly average | ≤ 627 lb/d | all year | 0RW |
| Oil and grease, hexane extr method | average | report only (mg/L) (alert, not enforceable) | all year | 0RW |
| Oil and grease, hexane extr method | average | report only (mg/L) (alert, not enforceable) | all year | 0RW |
| Nitrogen, total [as N] | average | ≤ 10 mg/L | all year | 0RW |
| Nitrogen, total [as N] | average | ≤ 10 mg/L | all year | 0RW |
| Nitrogen, ammonia total [as N] | average | ≤ 3.3 mg/L | all year | 0RW |
| Nitrogen, ammonia total [as N] | average | ≤ 3.3 mg/L | all year | 0RW |
| Nitrogen, Kjeldahl, total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 0RW |
| Nitrogen, Kjeldahl, total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 0RW |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 0RW |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 0RW |
| Nitrite + Nitrate total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 0RW |
| Nitrite + Nitrate total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 0RW |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 0RW |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 0RW |
| Phosphorus, total [as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | 0RW |
| Phosphorus, total [as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | 0RW |
| Cyanide, weak acid, dissociable | average | report only (ug/L) (alert, not enforceable) | all year | 0RW |
| Cyanide, weak acid, dissociable | average | report only (ug/L) (alert, not enforceable) | all year | 0RW |
| Hardness, total [as CaCO3] | average | report only (mg/L) (alert, not enforceable) | all year | 0RW |
| Hardness, total [as CaCO3] | average | report only (mg/L) (alert, not enforceable) | all year | 0RW |
| Total phenols | average | report only (ug/L) | all year | 0RW |
| Phosphorus [reactive as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | 0RW |
| Phosphorus [reactive as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | 0RW |
| Phenolics, total | average | report only (ug/L) (alert, not enforceable) | all year | 0RW |
| Phenolics, total | average | report only (ug/L) (alert, not enforceable) | all year | 0RW |
| BOD, percent removal [total] | monthly average minimum | ≥ 85 % | all year | 0RW |
| BOD, percent removal [total] | monthly average minimum | ≥ 85 % | all year | 0RW |
| Solids, total dissolved | average | report only (mg/L) (alert, not enforceable) | all year | 0RW |
| Solids, total dissolved | average | report only (mg/L) (alert, not enforceable) | all year | 0RW |
| Coliform, total general | daily maximum | ≤ 23 #/100mL | all year | 0RW |
| Coliform, total general | daily maximum | ≤ 23 #/100mL | all year | 0RW |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | 0RW |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | 0RW |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | 0RW |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | 0RW |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 0RW |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 0RW |
| BOD, 5-day, 20 deg. C | average | ≤ 30 mg/L | all year | 0UC |
| BOD, 5-day, 20 deg. C | average | ≤ 30 mg/L | all year | 0UC |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year | 0UC |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year | 0UC |
| BOD, 5-day, 20 deg. C | average | ≤ 200 lb/d | all year | 0UC |
| BOD, 5-day, 20 deg. C | average | ≤ 200 lb/d | all year | 0UC |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 300 lb/d | all year | 0UC |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 300 lb/d | all year | 0UC |
| pH | maximum | ≤ 9 SU | all year | 0UC |
| pH | maximum | ≤ 9 SU | all year | 0UC |
| pH | minimum | ≥ 6 SU | all year | 0UC |
| pH | minimum | ≥ 6 SU | all year | 0UC |
| Solids, total suspended | average | ≤ 30 mg/L | all year | 0UC |
| Solids, total suspended | average | ≤ 30 mg/L | all year | 0UC |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 0UC |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 0UC |
| Solids, total suspended | average | ≤ 200 lb/d | all year | 0UC |
| Solids, total suspended | average | ≤ 200 lb/d | all year | 0UC |
| Solids, total suspended | weekly average | ≤ 300 lb/d | all year | 0UC |
| Solids, total suspended | weekly average | ≤ 300 lb/d | all year | 0UC |
| BOD, percent removal [total] | monthly average minimum | ≥ 85 % | all year | 0UC |
| BOD, percent removal [total] | monthly average minimum | ≥ 85 % | all year | 0UC |
| Coliform, total general | monthly geometric mean | ≤ 200 #/100mL | all year | 0UC |
| Coliform, total general | monthly geometric mean | ≤ 200 #/100mL | all year | 0UC |
| Coliform, total general | weekly geometric mean | ≤ 400 #/100mL | all year | 0UC |
| Coliform, total general | weekly geometric mean | ≤ 400 #/100mL | all year | 0UC |
| Flow | average | ≤ 1.67 MGD (alert, not enforceable) | all year | 0UC |
| Flow | average | ≤ 1.67 MGD | all year | 0UC |
| Flow | average | ≤ 1.67 MGD | all year | 0UC |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | 0UC |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 0UC |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 0UC |
| BOD, 5-day, 20 deg. C | average | report only (mg/L) (alert, not enforceable) | all year | INF |
| BOD, 5-day, 20 deg. C | average | report only (mg/L) (alert, not enforceable) | all year | INF |
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) (alert, not enforceable) | all year | INF |
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) (alert, not enforceable) | all year | INF |
| BOD, 5-day, 20 deg. C | average | report only (lb/d) (alert, not enforceable) | all year | INF |
| BOD, 5-day, 20 deg. C | average | report only (lb/d) (alert, not enforceable) | all year | INF |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | all year | INF |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | all year | INF |
| Solids, total suspended | average | report only (mg/L) (alert, not enforceable) | all year | INF |
| Solids, total suspended | average | report only (mg/L) (alert, not enforceable) | all year | INF |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | all year | INF |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | all year | INF |
| Solids, total suspended | average | report only (lb/d) (alert, not enforceable) | all year | INF |
| Solids, total suspended | average | report only (lb/d) (alert, not enforceable) | all year | INF |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | all year | INF |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | all year | INF |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | INF |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | INF |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | INF |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | INF |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | MW5 |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | MW5 |
| Conductivity | maximum | report only (umho/cm) (alert, not enforceable) | all year | MW5 |
| Conductivity | maximum | report only (umho/cm) (alert, not enforceable) | all year | MW5 |
| Sulfate [as S] | maximum | ≤ 250 mg/L | all year | MW5 |
| Sulfate [as S] | maximum | ≤ 250 mg/L | all year | MW5 |
| Oxygen, dissolved [DO] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Oxygen, dissolved [DO] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| pH | maximum | report only (SU) (alert, not enforceable) | all year | MW5 |
| pH | maximum | report only (SU) (alert, not enforceable) | all year | MW5 |
| pH | minimum | report only (SU) (alert, not enforceable) | all year | MW5 |
| pH | minimum | report only (SU) (alert, not enforceable) | all year | MW5 |
| Alkalinity, bicarbonate [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Alkalinity, bicarbonate [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Alkalinity, carbonate [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Alkalinity, carbonate [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Nitrogen, nitrite total [as N] | maximum | ≤ 1 mg/L | all year | MW5 |
| Nitrogen, nitrite total [as N] | maximum | ≤ 1 mg/L | all year | MW5 |
| Nitrogen, nitrate total [as N] | maximum | ≤ 10 mg/L | all year | MW5 |
| Nitrogen, nitrate total [as N] | maximum | ≤ 10 mg/L | all year | MW5 |
| Calcium, total [as Ca] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Calcium, total [as Ca] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Magnesium, total [as Mg] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Magnesium, total [as Mg] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Sodium, total [as Na] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Sodium, total [as Na] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Potassium, total [as K] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Potassium, total [as K] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Chloride [as Cl] | maximum | ≤ 250 mg/L | all year | MW5 |
| Chloride [as Cl] | maximum | ≤ 250 mg/L | all year | MW5 |
| Fluoride, total [as F] | maximum | ≤ 2 mg/L | all year | MW5 |
| Fluoride, total [as F] | maximum | ≤ 2 mg/L | all year | MW5 |
| Arsenic, total [as As] | maximum | ≤ 10 ug/L | all year | MW5 |
| Arsenic, total [as As] | maximum | ≤ 10 ug/L | all year | MW5 |
| Cadmium, total [as Cd] | maximum | ≤ 5 ug/L | all year | MW5 |
| Cadmium, total [as Cd] | maximum | ≤ 5 ug/L | all year | MW5 |
| Chromium, total [as Cr] | maximum | ≤ 100 ug/L | all year | MW5 |
| Chromium, total [as Cr] | maximum | ≤ 100 ug/L | all year | MW5 |
| Copper, total [as Cu] | maximum | ≤ 1300 ug/L | all year | MW5 |
| Copper, total [as Cu] | maximum | ≤ 1300 ug/L | all year | MW5 |
| Lead, total [as Pb] | maximum | ≤ 15 ug/L | all year | MW5 |
| Lead, total [as Pb] | maximum | ≤ 15 ug/L | all year | MW5 |
| Manganese, total [as Mn] | maximum | ≤ 50 ug/L | all year | MW5 |
| Manganese, total [as Mn] | maximum | ≤ 50 ug/L | all year | MW5 |
| Nickel, total [as Ni] | maximum | ≤ 100 ug/L | all year | MW5 |
| Nickel, total [as Ni] | maximum | ≤ 100 ug/L | all year | MW5 |
| Silver, total [as Ag] | maximum | ≤ 100 ug/L | all year | MW5 |
| Silver, total [as Ag] | maximum | ≤ 100 ug/L | all year | MW5 |
| Zinc, total [as Zn] | maximum | ≤ 5000 ug/L | all year | MW5 |
| Zinc, total [as Zn] | maximum | ≤ 5000 ug/L | all year | MW5 |
| Solids, total dissolved | maximum | ≤ 500 mg/L | all year | MW5 |
| Solids, total dissolved | maximum | ≤ 500 mg/L | all year | MW5 |
| Mercury, total [as Hg] | maximum | ≤ 2 ug/L | all year | MW5 |
| Mercury, total [as Hg] | maximum | ≤ 2 ug/L | all year | MW5 |
| Depth to water level ft below landsurface | maximum | report only (ft) (alert, not enforceable) | all year | MW5 |
| Depth to water level ft below landsurface | maximum | report only (ft) (alert, not enforceable) | all year | MW5 |
| Coliform, total general | quarterly average | report only (#/100mL) (alert, not enforceable) | all year | MW5 |
| Coliform, total general | quarterly average | report only (#/100mL) (alert, not enforceable) | all year | MW5 |
| Trihalomethane, tot. | maximum | ≤ 80 ug/L | all year | MW5 |
| Trihalomethane, tot. | maximum | ≤ 80 ug/L | all year | MW5 |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | MW6 |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | MW6 |
| Conductivity | maximum | report only (umho/cm) (alert, not enforceable) | all year | MW6 |
| Conductivity | maximum | report only (umho/cm) (alert, not enforceable) | all year | MW6 |
| Sulfate [as S] | maximum | ≤ 250 mg/L | all year | MW6 |
| Sulfate [as S] | maximum | ≤ 250 mg/L | all year | MW6 |
| Oxygen, dissolved [DO] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Oxygen, dissolved [DO] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| pH | maximum | report only (SU) (alert, not enforceable) | all year | MW6 |
| pH | maximum | report only (SU) (alert, not enforceable) | all year | MW6 |
| pH | minimum | report only (SU) (alert, not enforceable) | all year | MW6 |
| pH | minimum | report only (SU) (alert, not enforceable) | all year | MW6 |
| Alkalinity, bicarbonate [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Alkalinity, bicarbonate [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Alkalinity, carbonate [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Alkalinity, carbonate [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Nitrogen, nitrite total [as N] | maximum | ≤ 1 mg/L | all year | MW6 |
| Nitrogen, nitrite total [as N] | maximum | ≤ 1 mg/L | all year | MW6 |
| Nitrogen, nitrate total [as N] | maximum | ≤ 10 mg/L | all year | MW6 |
| Nitrogen, nitrate total [as N] | maximum | ≤ 10 mg/L | all year | MW6 |
| Calcium, total [as Ca] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Calcium, total [as Ca] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Magnesium, total [as Mg] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Magnesium, total [as Mg] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Sodium, total [as Na] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Sodium, total [as Na] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Potassium, total [as K] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Potassium, total [as K] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Chloride [as Cl] | maximum | ≤ 250 mg/L | all year | MW6 |
| Chloride [as Cl] | maximum | ≤ 250 mg/L | all year | MW6 |
| Fluoride, total [as F] | maximum | ≤ 2 mg/L | all year | MW6 |
| Fluoride, total [as F] | maximum | ≤ 2 mg/L | all year | MW6 |
| Arsenic, total [as As] | maximum | ≤ 10 ug/L | all year | MW6 |
| Arsenic, total [as As] | maximum | ≤ 10 ug/L | all year | MW6 |
| Cadmium, total [as Cd] | maximum | ≤ 5 ug/L | all year | MW6 |
| Cadmium, total [as Cd] | maximum | ≤ 5 ug/L | all year | MW6 |
| Chromium, total [as Cr] | maximum | ≤ 100 ug/L | all year | MW6 |
| Chromium, total [as Cr] | maximum | ≤ 100 ug/L | all year | MW6 |
| Copper, total [as Cu] | maximum | ≤ 1300 ug/L | all year | MW6 |
| Copper, total [as Cu] | maximum | ≤ 1300 ug/L | all year | MW6 |
| Lead, total [as Pb] | maximum | ≤ 15 ug/L | all year | MW6 |
| Lead, total [as Pb] | maximum | ≤ 15 ug/L | all year | MW6 |
| Manganese, total [as Mn] | maximum | ≤ 50 ug/L | all year | MW6 |
| Manganese, total [as Mn] | maximum | ≤ 50 ug/L | all year | MW6 |
| Nickel, total [as Ni] | maximum | ≤ 100 ug/L | all year | MW6 |
| Nickel, total [as Ni] | maximum | ≤ 100 ug/L | all year | MW6 |
| Silver, total [as Ag] | maximum | ≤ 100 ug/L | all year | MW6 |
| Silver, total [as Ag] | maximum | ≤ 100 ug/L | all year | MW6 |
| Zinc, total [as Zn] | maximum | ≤ 5000 ug/L | all year | MW6 |
| Zinc, total [as Zn] | maximum | ≤ 5000 ug/L | all year | MW6 |
| Solids, total dissolved | maximum | ≤ 500 mg/L | all year | MW6 |
| Solids, total dissolved | maximum | ≤ 500 mg/L | all year | MW6 |
| Mercury, total [as Hg] | maximum | ≤ 2 ug/L | all year | MW6 |
| Mercury, total [as Hg] | maximum | ≤ 2 ug/L | all year | MW6 |
| Depth to water level ft below landsurface | maximum | report only (ft) (alert, not enforceable) | all year | MW6 |
| Depth to water level ft below landsurface | maximum | report only (ft) (alert, not enforceable) | all year | MW6 |
| Coliform, total general | quarterly average | report only (#/100mL) (alert, not enforceable) | all year | MW6 |
| Coliform, total general | quarterly average | report only (#/100mL) (alert, not enforceable) | all year | MW6 |
| Trihalomethane, tot. | maximum | ≤ 80 ug/L | all year | MW6 |
| Trihalomethane, tot. | maximum | ≤ 80 ug/L | all year | MW6 |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | MW9 |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | MW9 |
| Conductivity | maximum | report only (umho/cm) (alert, not enforceable) | all year | MW9 |
| Conductivity | maximum | report only (umho/cm) (alert, not enforceable) | all year | MW9 |
| Sulfate [as S] | maximum | ≤ 250 mg/L | all year | MW9 |
| Sulfate [as S] | maximum | ≤ 250 mg/L | all year | MW9 |
| Oxygen, dissolved [DO] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW9 |
| Oxygen, dissolved [DO] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW9 |
| pH | maximum | report only (SU) (alert, not enforceable) | all year | MW9 |
| pH | maximum | report only (SU) (alert, not enforceable) | all year | MW9 |
| pH | minimum | report only (SU) (alert, not enforceable) | all year | MW9 |
| pH | minimum | report only (SU) (alert, not enforceable) | all year | MW9 |
| Alkalinity, bicarbonate [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW9 |
| Alkalinity, bicarbonate [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW9 |
| Alkalinity, carbonate [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW9 |
| Alkalinity, carbonate [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW9 |
| Nitrogen, nitrite total [as N] | maximum | ≤ 1 mg/L | all year | MW9 |
| Nitrogen, nitrite total [as N] | maximum | ≤ 1 mg/L | all year | MW9 |
| Nitrogen, nitrate total [as N] | maximum | ≤ 10 mg/L | all year | MW9 |
| Nitrogen, nitrate total [as N] | maximum | ≤ 10 mg/L | all year | MW9 |
| Calcium, total [as Ca] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW9 |
| Calcium, total [as Ca] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW9 |
| Magnesium, total [as Mg] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW9 |
| Magnesium, total [as Mg] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW9 |
| Sodium, total [as Na] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW9 |
| Sodium, total [as Na] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW9 |
| Potassium, total [as K] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW9 |
| Potassium, total [as K] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW9 |
| Chloride [as Cl] | maximum | ≤ 250 mg/L | all year | MW9 |
| Chloride [as Cl] | maximum | ≤ 250 mg/L | all year | MW9 |
| Fluoride, total [as F] | maximum | ≤ 2 mg/L | all year | MW9 |
| Fluoride, total [as F] | maximum | ≤ 2 mg/L | all year | MW9 |
| Arsenic, total [as As] | maximum | ≤ 10 ug/L | all year | MW9 |
| Arsenic, total [as As] | maximum | ≤ 10 ug/L | all year | MW9 |
| Cadmium, total [as Cd] | maximum | ≤ 5 ug/L | all year | MW9 |
| Cadmium, total [as Cd] | maximum | ≤ 5 ug/L | all year | MW9 |
| Chromium, total [as Cr] | maximum | ≤ 100 ug/L | all year | MW9 |
| Chromium, total [as Cr] | maximum | ≤ 100 ug/L | all year | MW9 |
| Copper, total [as Cu] | maximum | ≤ 1300 ug/L | all year | MW9 |
| Copper, total [as Cu] | maximum | ≤ 1300 ug/L | all year | MW9 |
| Lead, total [as Pb] | maximum | ≤ 15 ug/L | all year | MW9 |
| Lead, total [as Pb] | maximum | ≤ 15 ug/L | all year | MW9 |
| Manganese, total [as Mn] | maximum | ≤ 50 ug/L | all year | MW9 |
| Manganese, total [as Mn] | maximum | ≤ 50 ug/L | all year | MW9 |
| Nickel, total [as Ni] | maximum | ≤ 100 ug/L | all year | MW9 |
| Nickel, total [as Ni] | maximum | ≤ 100 ug/L | all year | MW9 |
| Silver, total [as Ag] | maximum | ≤ 100 ug/L | all year | MW9 |
| Silver, total [as Ag] | maximum | ≤ 100 ug/L | all year | MW9 |
| Zinc, total [as Zn] | maximum | ≤ 5000 ug/L | all year | MW9 |
| Zinc, total [as Zn] | maximum | ≤ 5000 ug/L | all year | MW9 |
| Solids, total dissolved | maximum | ≤ 500 mg/L | all year | MW9 |
| Solids, total dissolved | maximum | ≤ 500 mg/L | all year | MW9 |
| Mercury, total [as Hg] | maximum | ≤ 2 ug/L | all year | MW9 |
| Mercury, total [as Hg] | maximum | ≤ 2 ug/L | all year | MW9 |
| Depth to water level ft below landsurface | maximum | report only (ft) (alert, not enforceable) | all year | MW9 |
| Depth to water level ft below landsurface | maximum | report only (ft) (alert, not enforceable) | all year | MW9 |
| Coliform, total general | quarterly average | report only (#/100mL) (alert, not enforceable) | all year | MW9 |
| Coliform, total general | quarterly average | report only (#/100mL) (alert, not enforceable) | all year | MW9 |
| Trihalomethane, tot. | maximum | ≤ 80 ug/L | all year | MW9 |
| Trihalomethane, tot. | maximum | ≤ 80 ug/L | all year | MW9 |
Cited limits by parameter: Washington's rules and the federal ones.
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Your permit document is the final word. As JSON: /api/v1/permits/WA0022349 · MCP: https://passage-data.com/mcp