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Sewage treatment plant, major discharger, Olympia, Washington. NPDES permit WA0037061 expired Mar 31, 2023; its limits still apply. Last 12 months: no values over a limit, 47 required values missing, 10 of 101 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | average | report only (deg C) (alert, not enforceable) | all year | 001 |
| Temperature, water deg. centigrade | average | report only (deg C) (alert, not enforceable) | all year | 001 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) (alert, not enforceable) | all year | 001 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) (alert, not enforceable) | all year | 001 |
| Oxygen, dissolved [DO] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Oxygen, dissolved [DO] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| BOD, 5-day, 20 deg. C | average | ≤ 7 mg/L | Jun–Sep | 001 |
| BOD, 5-day, 20 deg. C | average | ≤ 7 mg/L | Jun–Sep | 001 |
| BOD, 5-day, 20 deg. C | average | ≤ 8 mg/L | Apr, May, Oct | 001 |
| BOD, 5-day, 20 deg. C | average | ≤ 8 mg/L | Apr, May, Oct | 001 |
| BOD, 5-day, 20 deg. C | average | ≤ 30 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | average | ≤ 30 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 10.5 mg/L | Jun–Sep | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 10.5 mg/L | Jun–Sep | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 12 mg/L | Apr, May, Oct | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 12 mg/L | Apr, May, Oct | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | average | ≤ 5640 lb/d | Jan, Feb, Mar, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | average | ≤ 5640 lb/d | Jan, Feb, Mar, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | average | ≤ 900 lb/d | Apr, May, Oct | 001 |
| BOD, 5-day, 20 deg. C | average | ≤ 900 lb/d | Apr, May, Oct | 001 |
| BOD, 5-day, 20 deg. C | average | ≤ 671 lb/d | Jun–Sep | 001 |
| BOD, 5-day, 20 deg. C | average | ≤ 671 lb/d | Jun–Sep | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 8460 lb/d | Jan, Feb, Mar, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 8460 lb/d | Jan, Feb, Mar, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 1350 lb/d | Apr, May, Oct | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 1350 lb/d | Apr, May, Oct | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 1006 lb/d | Jun–Sep | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 1006 lb/d | Jun–Sep | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | average | ≤ 5265 lb/d | all year | 001 |
| Solids, total suspended | average | ≤ 5265 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 7898 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 7898 lb/d | all year | 001 |
| Oil and grease [soxhlet extr.] tot. | quarterly average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Oil and grease [soxhlet extr.] tot. | quarterly average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | average | ≤ 26 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | average | ≤ 26 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | average | report only (mg/L) (alert, not enforceable) | Apr–Oct | 001 |
| Nitrogen, ammonia total [as N] | average | report only (mg/L) (alert, not enforceable) | Apr–Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | Apr–Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | Apr–Oct | 001 |
| Nitrogen, Kjeldahl, total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrite + Nitrate total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrite + Nitrate total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, inorganic total | average | ≤ 3 mg/L | Apr–Oct | 001 |
| Nitrogen, inorganic total | average | report only (mg/L) | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, inorganic total | daily maximum | report only (mg/L) (alert, not enforceable) | Apr–Oct | 001 |
| Nitrogen, inorganic total | daily maximum | report only (mg/L) (alert, not enforceable) | Apr–Oct | 001 |
| Nitrogen, inorganic total | average | ≤ 3 mg/L | Apr–Oct | 001 |
| Nitrogen, inorganic total | average | ≤ 3 mg/L | Apr–Oct | 001 |
| Nitrogen, inorganic total | daily maximum | report only (mg/L) | Apr–Oct | 001 |
| Nitrogen, inorganic total | daily maximum | report only (mg/L) | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, inorganic total | average | report only (lb/d) | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, inorganic total | daily maximum | report only (lb/d) | Jan, Feb, Mar, Nov, Dec | 001 |
| Phosphorus, total [as P] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphorus, total [as P] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Cyanide, total [as CN] | quarterly average | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Hardness, total [as CaCO3] | annual average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Hardness, total [as CaCO3] | annual average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Copper, total [as Cu] | average | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Copper, total [as Cu] | average | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Lead, total [as Pb] | average | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Lead, total [as Pb] | average | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Nickel, total [as Ni] | average | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Nickel, total [as Ni] | average | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Silver, total [as Ag] | average | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Silver, total [as Ag] | average | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Zinc, total [as Zn] | average | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Zinc, total [as Zn] | average | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Total phenols | quarterly average | report only (ug/L) | all year | 001 |
| Phosphorus [reactive as P] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphorus [reactive as P] | average | report only (mg/L) (alert, not enforceable) | 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 |
| Nitrogen, Total | average | report only (lb) (alert, not enforceable) | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, Total | average | ≤ 388 lb (alert, not enforceable) | Apr, May, Oct | 001 |
| Nitrogen, Total | average | report only (lb) (alert, not enforceable) | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, Total | average | ≤ 388 lb | Apr, May, Oct | 001 |
| Nitrogen, Total | daily average | report only (lb) (alert, not enforceable) | Jun–Sep | 001 |
| Nitrogen, Total | daily maximum | report only (lb) (alert, not enforceable) | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, Total | daily maximum | report only (lb) (alert, not enforceable) | Apr, May, Oct | 001 |
| Nitrogen, Total | daily maximum | report only (lb) (alert, not enforceable) | Jan, Feb, Mar, Nov, Dec | 001 |
| Solids, total dissolved | annual average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Solids, total dissolved | annual average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 001 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 001 |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year | 001 |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year | 001 |
| 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 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Temperature, water deg. centigrade | average | report only (deg C) (alert, not enforceable) | all year | 002 |
| Temperature, water deg. centigrade | average | report only (deg C) (alert, not enforceable) | all year | 002 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) (alert, not enforceable) | all year | 002 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) (alert, not enforceable) | all year | 002 |
| Oxygen, dissolved [DO] | average | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Oxygen, dissolved [DO] | average | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 002 |
| BOD, 5-day, 20 deg. C | average | ≤ 7 mg/L | Jun–Sep | 002 |
| BOD, 5-day, 20 deg. C | average | ≤ 7 mg/L | Jun–Sep | 002 |
| BOD, 5-day, 20 deg. C | average | ≤ 30 mg/L | Jan, Feb, Mar, Nov, Dec | 002 |
| BOD, 5-day, 20 deg. C | average | ≤ 30 mg/L | Jan, Feb, Mar, Nov, Dec | 002 |
| BOD, 5-day, 20 deg. C | average | ≤ 8 mg/L | Apr, May, Oct | 002 |
| BOD, 5-day, 20 deg. C | average | ≤ 8 mg/L | Apr, May, Oct | 002 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 10.5 mg/L | Jun–Sep | 002 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 10.5 mg/L | Jun–Sep | 002 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | Jan, Feb, Mar, Nov, Dec | 002 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | Jan, Feb, Mar, Nov, Dec | 002 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 12 mg/L | Apr, May, Oct | 002 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 12 mg/L | Apr, May, Oct | 002 |
| BOD, 5-day, 20 deg. C | average | ≤ 900 lb/d | Apr, May, Oct | 002 |
| BOD, 5-day, 20 deg. C | average | ≤ 900 lb/d | Apr, May, Oct | 002 |
| BOD, 5-day, 20 deg. C | average | ≤ 5640 lb/d | Jan, Feb, Mar, Nov, Dec | 002 |
| BOD, 5-day, 20 deg. C | average | ≤ 5640 lb/d | Jan, Feb, Mar, Nov, Dec | 002 |
| BOD, 5-day, 20 deg. C | average | ≤ 671 lb/d | Jun–Sep | 002 |
| BOD, 5-day, 20 deg. C | average | ≤ 671 lb/d | Jun–Sep | 002 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 1350 lb/d | Apr, May, Oct | 002 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 1350 lb/d | Apr, May, Oct | 002 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 8460 lb/d | Jan, Feb, Mar, Nov, Dec | 002 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 8460 lb/d | Jan, Feb, Mar, Nov, Dec | 002 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 1006 lb/d | Jun–Sep | 002 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 1006 lb/d | Jun–Sep | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 002 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 002 |
| Solids, total suspended | average | ≤ 5265 lb/d | all year | 002 |
| Solids, total suspended | average | ≤ 5265 lb/d | all year | 002 |
| Solids, total suspended | weekly average | ≤ 7898 lb/d | all year | 002 |
| Solids, total suspended | weekly average | ≤ 7898 lb/d | all year | 002 |
| Nitrogen, ammonia total [as N] | average | ≤ 26 mg/L | Jan, Feb, Mar, Nov, Dec | 002 |
| Nitrogen, ammonia total [as N] | average | ≤ 26 mg/L | Jan, Feb, Mar, Nov, Dec | 002 |
| Nitrogen, ammonia total [as N] | average | report only (mg/L) (alert, not enforceable) | Apr–Oct | 002 |
| Nitrogen, ammonia total [as N] | average | report only (mg/L) (alert, not enforceable) | Apr–Oct | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | Apr–Oct | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | Apr–Oct | 002 |
| Nitrogen, Kjeldahl, total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Nitrite + Nitrate total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Nitrite + Nitrate total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Nitrogen, inorganic total | average | ≤ 3 mg/L | Apr–Oct | 002 |
| Nitrogen, inorganic total | average | report only (mg/L) | Jan, Feb, Mar, Nov, Dec | 002 |
| Nitrogen, inorganic total | daily maximum | report only (mg/L) | Apr–Oct | 002 |
| Nitrogen, inorganic total | daily maximum | report only (mg/L) | Jan, Feb, Mar, Nov, Dec | 002 |
| Nitrogen, inorganic total | average | ≤ 388 lb/d | Apr, May, Oct | 002 |
| Nitrogen, inorganic total | average | ≤ 288 lb/d | Jun–Sep | 002 |
| Nitrogen, inorganic total | average | report only (lb/d) | Jan, Feb, Mar, Nov, Dec | 002 |
| Nitrogen, inorganic total | daily maximum | report only (lb/d) | Apr, May, Oct | 002 |
| Nitrogen, inorganic total | daily average | report only (lb/d) | Jun–Sep | 002 |
| Nitrogen, inorganic total | daily maximum | report only (lb/d) | Jan, Feb, Mar, Nov, Dec | 002 |
| Phosphorus, total [as P] | average | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Phosphorus, total [as P] | average | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Copper, total [as Cu] | average | report only (ug/L) (alert, not enforceable) | all year | 002 |
| Copper, total [as Cu] | average | report only (ug/L) (alert, not enforceable) | all year | 002 |
| Lead, total [as Pb] | average | report only (ug/L) (alert, not enforceable) | all year | 002 |
| Lead, total [as Pb] | average | report only (ug/L) (alert, not enforceable) | all year | 002 |
| Nickel, total [as Ni] | average | report only (ug/L) (alert, not enforceable) | all year | 002 |
| Nickel, total [as Ni] | average | report only (ug/L) (alert, not enforceable) | all year | 002 |
| Silver, total [as Ag] | average | report only (ug/L) (alert, not enforceable) | all year | 002 |
| Silver, total [as Ag] | average | report only (ug/L) (alert, not enforceable) | all year | 002 |
| Zinc, total [as Zn] | average | report only (ug/L) (alert, not enforceable) | all year | 002 |
| Zinc, total [as Zn] | average | report only (ug/L) (alert, not enforceable) | all year | 002 |
| Phosphorus [reactive as P] | average | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Phosphorus [reactive as P] | average | report only (mg/L) (alert, not enforceable) | all year | 002 |
| BOD, percent removal [total] | monthly average minimum | ≥ 85 % | all year | 002 |
| BOD, percent removal [total] | monthly average minimum | ≥ 85 % | all year | 002 |
| Nitrogen, Total | average | ≤ 388 lb | Apr, May, Oct | 002 |
| Nitrogen, Total | average | ≤ 288 lb | Jun–Sep | 002 |
| Nitrogen, Total | average | report only (lb) (alert, not enforceable) | Jan, Feb, Mar, Nov, Dec | 002 |
| Nitrogen, Total | average | report only (lb) (alert, not enforceable) | Jan, Feb, Mar, Nov, Dec | 002 |
| Nitrogen, Total | average | report only (lb) (alert, not enforceable) | Jan, Feb, Mar, Nov, Dec | 002 |
| Nitrogen, Total | average | report only (lb) (alert, not enforceable) | Jan, Feb, Mar, Nov, Dec | 002 |
| Nitrogen, Total | average | ≤ 388 lb | Apr, May, Oct | 002 |
| Nitrogen, Total | average | ≤ 388 lb | Apr, May, Oct | 002 |
| Nitrogen, Total | daily maximum | report only (lb) | Apr, May, Oct | 002 |
| Nitrogen, Total | daily average | report only (lb) | Jun–Sep | 002 |
| Nitrogen, Total | daily maximum | report only (lb) (alert, not enforceable) | Jan, Feb, Mar, Nov, Dec | 002 |
| Nitrogen, Total | daily maximum | report only (lb) (alert, not enforceable) | Jan, Feb, Mar, Nov, Dec | 002 |
| Nitrogen, Total | daily maximum | report only (lb) (alert, not enforceable) | Jan, Feb, Mar, Nov, Dec | 002 |
| Nitrogen, Total | daily maximum | report only (lb) (alert, not enforceable) | Jan, Feb, Mar, Nov, Dec | 002 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 002 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 002 |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year | 002 |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year | 002 |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | 002 |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | 002 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | 002 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | 002 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 002 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 002 |
| Turbidity | daily maximum | ≤ 5 NTU | all year | 005 |
| Turbidity | monthly average | ≤ 2 NTU | all year | 005 |
| Turbidity | daily maximum | ≤ 5 NTU | all year | 005 |
| Turbidity | monthly average | ≤ 2 NTU | all year | 005 |
| Oxygen, dissolved [DO] | average | report only (mg/L) (alert, not enforceable) | all year | 005 |
| Oxygen, dissolved [DO] | average | report only (mg/L) (alert, not enforceable) | all year | 005 |
| Oxygen, dissolved [DO] | maximum | report only (mg/L) (alert, not enforceable) | all year | 005 |
| Oxygen, dissolved [DO] | maximum | report only (mg/L) (alert, not enforceable) | all year | 005 |
| pH | daily minimum | ≥ 6 SU | all year | 005 |
| pH | daily minimum | ≥ 6 SU | all year | 005 |
| pH | daily maximum | ≤ 9 SU | all year | 005 |
| pH | daily maximum | ≤ 9 SU | all year | 005 |
| Nitrogen, nitrate total [as N] | average | ≤ 10 mg/L | all year | 005 |
| Nitrogen, nitrate total [as N] | average | ≤ 10 mg/L | all year | 005 |
| Nitrogen, nitrate total [as N] | maximum | report only (mg/L) | all year | 005 |
| Chlorine, total residual | minimum | report only (mg/L) (alert, not enforceable) | all year | 005 |
| Chlorine, total residual | minimum | report only (mg/L) (alert, not enforceable) | all year | 005 |
| Coliform, total general | daily maximum | ≤ 23 #/100mL | all year | 005 |
| Coliform, total general | daily maximum | ≤ 23 #/100mL | all year | 005 |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | 005 |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | 005 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | 005 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | 005 |
| Rainfall duration | average | report only (hr) (alert, not enforceable) | all year | CSO |
| Rainfall duration | average | report only (hr) (alert, not enforceable) | all year | CSO |
| Rainfall duration | daily maximum | report only (hr) (alert, not enforceable) | all year | CSO |
| Rainfall duration | daily maximum | report only (hr) (alert, not enforceable) | all year | CSO |
| Nitrogen, ammonia total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | CSO |
| Nitrogen, ammonia total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | CSO |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | CSO |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | CSO |
| Copper, total [as Cu] | average | report only (mg/L) (alert, not enforceable) | all year | CSO |
| Copper, total [as Cu] | average | report only (mg/L) (alert, not enforceable) | all year | CSO |
| Copper, total [as Cu] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | CSO |
| Copper, total [as Cu] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | CSO |
| Rainfall | average | report only (in) (alert, not enforceable) | all year | CSO |
| Rainfall | average | report only (in) (alert, not enforceable) | all year | CSO |
| Rainfall | daily maximum | report only (in) (alert, not enforceable) | all year | CSO |
| Rainfall | daily maximum | report only (in) (alert, not enforceable) | all year | CSO |
| Duration | daily maximum | report only (hr) | all year | CSO |
| Volume, total | average | report only (gal) (alert, not enforceable) | all year | CSO |
| Volume, total | average | report only (gal) (alert, not enforceable) | all year | CSO |
| Volume, total | daily maximum | report only (gal) (alert, not enforceable) | all year | CSO |
| Volume, total | daily maximum | report only (gal) (alert, not enforceable) | all year | CSO |
| Duration of discharge | average | report only (hr) (alert, not enforceable) | all year | CSO |
| Duration of discharge | average | report only (hr) (alert, not enforceable) | all year | CSO |
| Duration of discharge | daily maximum | report only (hr) (alert, not enforceable) | all year | CSO |
| Duration of discharge | daily maximum | report only (hr) (alert, not enforceable) | all year | CSO |
| 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 |
| Nitrogen, ammonia total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | INF |
| Nitrogen, ammonia total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | INF |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | INF |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | INF |
| Nitrogen, ammonia total [as N] | average | report only (lb/d) (alert, not enforceable) | all year | INF |
| Nitrogen, ammonia total [as N] | average | report only (lb/d) (alert, not enforceable) | all year | INF |
| Nitrogen, ammonia total [as N] | maximum | report only (lb/d) (alert, not enforceable) | all year | INF |
| Nitrogen, ammonia total [as N] | 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 |
Cited limits by parameter: Washington's rules and the federal ones.
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