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Sewage treatment plant, Othello, Washington. NPDES permit WA0022357 expired Sep 30, 2025; its limits still apply. Last 12 months: over a limit 29 times (last September 2026), 22 required values missing, 11 of 60 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | BOD, 5-day, 20 deg. C, monthly average | 33.2556 | ≤ 30 mg/L | 11% |
| October 2025 | BOD, percent removal [total], monthly average minimum | 82.3 | ≥ 85 % | 18% |
| October 2025 | Solids, suspended percent removal, monthly average minimum | 72 | ≥ 85 % | 87% |
| October 2025 | Solids, total suspended, monthly average | 73.5778 | ≤ 45 mg/L | 64% |
| October 2025 | Solids, total suspended, weekly average | 79 | ≤ 65 mg/L | 22% |
| November 2025 | BOD, 5-day, 20 deg. C, monthly average | 33.5 | ≤ 30 mg/L | 12% |
| November 2025 | BOD, 5-day, 20 deg. C, weekly average | 49.85 | ≤ 45 mg/L | 11% |
| November 2025 | BOD, percent removal [total], monthly average minimum | 82.1 | ≥ 85 % | 19% |
| November 2025 | Cyanide, total [as CN], monthly average | 12.6 | ≤ 5.8 ug/L | 117% |
| November 2025 | Solids, suspended percent removal, monthly average minimum | 76.7 | ≥ 85 % | 55% |
| November 2025 | Solids, total suspended, monthly average | 48.775 | ≤ 45 mg/L | 8% |
| December 2025 | Solids, suspended percent removal, monthly average minimum | 79.2 | ≥ 85 % | 39% |
| January 2026 | Solids, suspended percent removal, monthly average minimum | 81.9 | ≥ 85 % | 21% |
| April 2026 | BOD, 5-day, 20 deg. C, monthly average | 31.21 | ≤ 30 mg/L | 4% |
| April 2026 | BOD, 5-day, 20 deg. C, weekly average | 54 | ≤ 45 mg/L | 20% |
| April 2026 | Solids, total suspended, weekly average | 77.5 | ≤ 65 mg/L | 19% |
| May 2026 | Copper, dissolved [as Cu], monthly average | 20.4 | ≤ 17.3 ug/L | 18% |
| June 2026 | Copper, dissolved [as Cu], monthly average | 30.8 | ≤ 17.3 ug/L | 78% |
| July 2026 | BOD, 5-day, 20 deg. C, monthly average | 37.2778 | ≤ 30 mg/L | 24% |
| July 2026 | BOD, 5-day, 20 deg. C, weekly average | 51.2 | ≤ 45 mg/L | 14% |
| July 2026 | BOD, percent removal [total], monthly average minimum | 82.1 | ≥ 85 % | 19% |
| July 2026 | Copper, dissolved [as Cu], monthly average | 99.4 | ≤ 17.3 ug/L | 475% |
| July 2026 | Cyanide, total [as CN], monthly average | 105 | ≤ 5.8 ug/L | 1710% |
| August 2026 | BOD, 5-day, 20 deg. C, monthly average | 35.1875 | ≤ 30 mg/L | 17% |
| August 2026 | BOD, percent removal [total], monthly average minimum | 81.4 | ≥ 85 % | 24% |
| September 2026 | BOD, 5-day, 20 deg. C, monthly average | 31.725 | ≤ 30 mg/L | 6% |
| September 2026 | BOD, percent removal [total], monthly average minimum | 80 | ≥ 85 % | 33% |
| September 2026 | Solids, suspended percent removal, monthly average minimum | 82.6 | ≥ 85 % | 16% |
| September 2026 | Solids, total suspended, weekly average | 67.65 | ≤ 65 mg/L | 4% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | 001 |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | 001 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 2.9 mg/L | all year | 001 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 2.9 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 390 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 390 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 585 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 585 lb/d | all year | 001 |
| Solids, total suspended | monthly average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 65 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 65 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 776 lb/d | all year | 001 |
| Solids, total suspended | monthly average | ≤ 776 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 1163 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 1163 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 11.5 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 11.5 mg/L (alert, not enforceable) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphorus, total [as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphorus, total [as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphorus, dissolved reactive [drp as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphorus, dissolved reactive [drp as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Cyanide, total [as CN] | monthly average | ≤ 5.8 ug/L | all year | 001 |
| Cyanide, total [as CN] | monthly average | ≤ 5.8 ug/L | all year | 001 |
| Hardness, total [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Hardness, total [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Arsenic, total [as As] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Arsenic, total [as As] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Beryllium, total [as Be] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Beryllium, total [as Be] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Cadmium, total [as Cd] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Cadmium, total [as Cd] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Chromium, hexavalent [as Cr] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Chromium, hexavalent [as Cr] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Copper, dissolved [as Cu] | monthly average | ≤ 17.3 ug/L | all year | 001 |
| Copper, dissolved [as Cu] | monthly average | ≤ 17.3 ug/L | all year | 001 |
| Copper, total [as Cu] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Copper, total [as Cu] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Lead, total [as Pb] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Lead, total [as Pb] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Thallium, total [as Tl] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Thallium, total [as Tl] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Nickel, dissolved [as Ni] | monthly average | ≤ 287 ug/L | all year | 001 |
| Nickel, dissolved [as Ni] | monthly average | ≤ 287 ug/L | all year | 001 |
| Nickel, total [as Ni] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Nickel, total [as Ni] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Silver, total [as Ag] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Silver, total [as Ag] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Zinc, dissolved [as Zn] | monthly average | ≤ 112 ug/L | all year | 001 |
| Zinc, dissolved [as Zn] | monthly average | ≤ 112 ug/L | all year | 001 |
| Zinc, total [as Zn] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Zinc, total [as Zn] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Antimony, total [as Sb] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Antimony, total [as Sb] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Selenium, total [as Se] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Selenium, total [as Se] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Phenols | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Phenols | maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Chlorine, total residual | monthly average | ≤ 7.2 ug/L | all year | 001 |
| Chlorine, total residual | monthly average | ≤ 7.2 ug/L | all year | 001 |
| BOD, percent removal [total] | monthly average minimum | ≥ 85 % | all year | 001 |
| BOD, percent removal [total] | monthly average minimum | ≥ 85 % | all year | 001 |
| pH, maximum | daily maximum | ≤ 9 SU | all year | 001 |
| pH, maximum | daily maximum | ≤ 9 SU | all year | 001 |
| pH, minimum | daily minimum | ≥ 6 SU | all year | 001 |
| pH, minimum | daily minimum | ≥ 6 SU | all year | 001 |
| Mercury, dissolved [as Hg] | monthly average | ≤ 13.5 ng/L | all year | 001 |
| Mercury, dissolved [as Hg] | monthly average | ≤ 13.5 ng/L | all year | 001 |
| Mercury, total [as Hg] | maximum | report only (ng/L) (alert, not enforceable) | all year | 001 |
| Mercury, total [as Hg] | maximum | report only (ng/L) (alert, not enforceable) | all year | 001 |
| Coliform, fecal general | monthly geometric mean | report only (#/100mL) (alert, not enforceable) | all year | 001 |
| Coliform, fecal general | weekly geometric mean | ≤ 540 #/100mL | all year | 001 |
| Coliform, fecal general | weekly geometric mean | ≤ 540 #/100mL (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 |
| Flow | monthly average | report only (MGD) (alert, not enforceable) | all year | 001 |
| Flow | monthly average | report only (MGD) (alert, not enforceable) | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Chlorine, total residual | maximum | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Chlorine, total residual | maximum | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Chlorine, total residual | monthly average | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Chlorine, total residual | monthly average | report only (mg/L) (alert, not enforceable) | all year | 002 |
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | monthly average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | monthly average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | monthly average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | monthly average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Cyanide, total [as CN] | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Cyanide, total [as CN] | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Hardness, total [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Hardness, total [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Arsenic, total [as As] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Arsenic, total [as As] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Beryllium, total [as Be] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Beryllium, total [as Be] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Cadmium, total [as Cd] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Cadmium, total [as Cd] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Chromium, hexavalent [as Cr] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Chromium, hexavalent [as Cr] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Copper, total [as Cu] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Copper, total [as Cu] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Lead, total [as Pb] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Lead, total [as Pb] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Thallium, total [as Tl] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Thallium, total [as Tl] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Nickel, total [as Ni] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Nickel, total [as Ni] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Silver, total [as Ag] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Silver, total [as Ag] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Zinc, total [as Zn] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Zinc, total [as Zn] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Antimony, total [as Sb] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Antimony, total [as Sb] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Selenium, total [as Se] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Selenium, total [as Se] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Phenols | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Phenols | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Mercury, total [as Hg] | maximum | report only (ng/L) (alert, not enforceable) | all year | IN1 |
| Mercury, total [as Hg] | maximum | report only (ng/L) (alert, not enforceable) | all year | IN1 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | IN1 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | IN1 |
| Flow | monthly average | report only (MGD) (alert, not enforceable) | all year | IN1 |
| Flow | monthly average | report only (MGD) (alert, not enforceable) | all year | IN1 |
| pH | maximum | report only (SU) (alert, not enforceable) | all year | MW2E |
| pH | maximum | report only (SU) (alert, not enforceable) | all year | MW2E |
| Alkalinity, total [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2E |
| Alkalinity, total [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2E |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2E |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2E |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2E |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2E |
| Cyanide, total [as CN] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2E |
| Cyanide, total [as CN] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2E |
| Hardness, total [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2E |
| Hardness, total [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2E |
| Chloride [as Cl] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2E |
| Chloride [as Cl] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2E |
| Arsenic, total [as As] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2E |
| Arsenic, total [as As] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2E |
| Chromium, total [as Cr] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2E |
| Chromium, total [as Cr] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2E |
| Copper, total [as Cu] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2E |
| Copper, total [as Cu] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2E |
| Nickel, total [as Ni] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2E |
| Nickel, total [as Ni] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2E |
| Zinc, total [as Zn] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2E |
| Zinc, total [as Zn] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2E |
| Solids, total dissolved | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2E |
| Solids, total dissolved | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2E |
| Mercury, total [as Hg] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2E |
| Mercury, total [as Hg] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2E |
| Depth to water level ft below landsurface | maximum | report only (ft) (alert, not enforceable) | all year | MW2E |
| Depth to water level ft below landsurface | maximum | report only (ft) (alert, not enforceable) | all year | MW2E |
| Coliform, fecal general | maximum | report only (#/100mL) (alert, not enforceable) | all year | MW2E |
| Coliform, fecal general | maximum | report only (#/100mL) (alert, not enforceable) | all year | MW2E |
| pH | maximum | report only (SU) (alert, not enforceable) | all year | MW2W |
| pH | maximum | report only (SU) (alert, not enforceable) | all year | MW2W |
| Alkalinity, total [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2W |
| Alkalinity, total [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2W |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2W |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2W |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2W |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2W |
| Cyanide, total [as CN] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2W |
| Cyanide, total [as CN] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2W |
| Hardness, total [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2W |
| Hardness, total [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2W |
| Chloride [as Cl] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2W |
| Chloride [as Cl] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2W |
| Arsenic, total [as As] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2W |
| Arsenic, total [as As] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2W |
| Chromium, total [as Cr] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2W |
| Chromium, total [as Cr] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2W |
| Copper, total [as Cu] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2W |
| Copper, total [as Cu] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2W |
| Nickel, total [as Ni] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2W |
| Nickel, total [as Ni] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2W |
| Zinc, total [as Zn] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2W |
| Zinc, total [as Zn] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2W |
| Solids, total dissolved | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2W |
| Solids, total dissolved | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2W |
| Mercury, total [as Hg] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2W |
| Mercury, total [as Hg] | maximum | report only (ug/L) (alert, not enforceable) | all year | MW2W |
| Depth to water level ft below landsurface | maximum | report only (ft) (alert, not enforceable) | all year | MW2W |
| Depth to water level ft below landsurface | maximum | report only (ft) (alert, not enforceable) | all year | MW2W |
| Coliform, fecal general | maximum | report only (#/100mL) (alert, not enforceable) | all year | MW2W |
| Coliform, fecal general | maximum | report only (#/100mL) (alert, not enforceable) | all year | MW2W |
Cited limits by parameter: Washington's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/WA0022357 · MCP: https://passage-data.com/mcp