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Federal facility (Electric Services), Umatilla, Oregon. NPDES permit OR0055000, in force until Jun 30, 2030. Last 12 months: over a limit 28 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| March 2026 | 004 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| March 2026 | 006 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| March 2026 | 008 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| March 2026 | 023 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| March 2026 | 024 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| March 2026 | 025 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| March 2026 | 026 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| March 2026 | 027 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| April 2026 | 004 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| April 2026 | 006 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| April 2026 | 008 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| April 2026 | 023 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| April 2026 | 024 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| April 2026 | 025 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| April 2026 | 026 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| April 2026 | 027 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| May 2026 | 004 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| May 2026 | 006 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| May 2026 | 008 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| May 2026 | 023 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| May 2026 | 024 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| May 2026 | 025 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| May 2026 | 026 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| May 2026 | 027 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| June 2026 | 004 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| June 2026 | 006 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| June 2026 | 008 | pH, daily maximum | 8.6 SU | ≤ 8.5 SU | — |
| July 2026 | 010 | Oil & Grease, daily maximum | 15 mg/L | ≤ 5 mg/L | 200% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | monthly maximum | report only (deg C) | all year | 001 |
| Thermal Discharge | monthly average | ≤ 2830 mkcal/day | Jun–Oct | 001 |
| pH | daily minimum | ≥ 7 SU | all year | 001 |
| pH | daily maximum | ≤ 8.5 SU | all year | 001 |
| pH | monthly maximum | report only (SU) | all year | 001 |
| Alkalinity, total [as CaCO3] | quarterly maximum | report only (mg/L) | all year | 001 |
| pH | daily minimum | ≥ 7 SU | all year | 002 |
| pH | daily maximum | ≤ 8.5 SU | all year | 002 |
| pH | daily minimum | ≥ 7 SU | all year | 003 |
| pH | daily maximum | ≤ 8.5 SU | all year | 003 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 004 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 004 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 004 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 004 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year | 004 |
| Thermal Discharge | monthly average | report only (mkcal/day) | Jun–Oct | 004 |
| pH | daily minimum | ≥ 7 SU | all year | 004 |
| pH | daily maximum | ≤ 8.5 SU | all year | 004 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 004 |
| Oil & Grease | daily maximum | ≤ 5 mg/L | all year | 004 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 004 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 004 |
| Oil and grease visual | value | report only (N=0;Y=1) | all year | 004 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 005 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 005 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 005 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 005 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year | 005 |
| Thermal Discharge | monthly average | report only (mkcal/day) | Jun–Oct | 005 |
| pH | daily minimum | ≥ 7 SU | all year | 005 |
| pH | daily maximum | ≤ 8.5 SU | all year | 005 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 005 |
| Oil & Grease | daily maximum | ≤ 5 mg/L | all year | 005 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 005 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 005 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 005 |
| Oil and grease visual | value | report only (N=0;Y=1) | all year | 005 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 006 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 006 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 006 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 006 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year | 006 |
| Thermal Discharge | monthly average | report only (mkcal/day) | Jun–Oct | 006 |
| pH | daily minimum | ≥ 7 SU | all year | 006 |
| pH | daily maximum | ≤ 8.5 SU | all year | 006 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 006 |
| Oil & Grease | daily maximum | ≤ 5 mg/L | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 006 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 006 |
| Oil and grease visual | value | report only (N=0;Y=1) | all year | 006 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 007 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 007 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 007 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 007 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year | 007 |
| Thermal Discharge | monthly average | report only (mkcal/day) | Jun–Oct | 007 |
| pH | daily minimum | ≥ 7 SU | all year | 007 |
| pH | daily maximum | ≤ 8.5 SU | all year | 007 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 007 |
| Oil & Grease | daily maximum | ≤ 5 mg/L | all year | 007 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 007 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 007 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 007 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 007 |
| Oil and grease visual | value | report only (N=0;Y=1) | all year | 007 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 008 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 008 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 008 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 008 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year | 008 |
| Thermal Discharge | monthly average | report only (mkcal/day) | Jun–Oct | 008 |
| pH | daily minimum | ≥ 7 SU | all year | 008 |
| pH | daily maximum | ≤ 8.5 SU | all year | 008 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 008 |
| Oil & Grease | daily maximum | ≤ 5 mg/L | all year | 008 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 008 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 008 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 008 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 008 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 008 |
| Oil and grease visual | value | report only (N=0;Y=1) | all year | 008 |
| Thermal Discharge | monthly average | report only (mkcal/day) | Jun–Oct | 009 |
| pH | daily minimum | ≥ 7 SU | all year | 009 |
| pH | daily maximum | ≤ 8.5 SU | all year | 009 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 009 |
| Oil & Grease | daily maximum | ≤ 5 mg/L | all year | 009 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 009 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 009 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 009 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 009 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 009 |
| Oil and grease visual | value | report only (N=0;Y=1) | all year | 009 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 010 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 010 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year | 010 |
| Thermal Discharge | monthly average | report only (mkcal/day) | Jun–Oct | 010 |
| pH | daily minimum | ≥ 7 SU | all year | 010 |
| pH | daily maximum | ≤ 8.5 SU | all year | 010 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 010 |
| Oil & Grease | daily maximum | ≤ 5 mg/L | all year | 010 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 010 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 010 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 010 |
| Oil and grease visual | value | report only (N=0;Y=1) | all year | 010 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 011 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 011 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year | 011 |
| Thermal Discharge | monthly average | report only (mkcal/day) | Jun–Oct | 011 |
| pH | daily minimum | ≥ 7 SU | all year | 011 |
| pH | daily maximum | ≤ 8.5 SU | all year | 011 |
| Alkalinity, total [as CaCO3] | quarterly maximum | report only (mg/L) | all year | 011 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 011 |
| Oil & Grease | daily maximum | ≤ 5 mg/L | all year | 011 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 011 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 011 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 011 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 011 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 011 |
| Oil and grease visual | value | report only (N=0;Y=1) | all year | 011 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 012 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 012 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year | 012 |
| Thermal Discharge | monthly average | report only (mkcal/day) | Jun–Oct | 012 |
| pH | daily minimum | ≥ 7 SU | all year | 012 |
| pH | daily maximum | ≤ 8.5 SU | all year | 012 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 012 |
| Oil & Grease | daily maximum | ≤ 5 mg/L | all year | 012 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 012 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 012 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 012 |
| Oil and grease visual | value | report only (N=0;Y=1) | all year | 012 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 013 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 013 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 013 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 013 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year | 013 |
| Thermal Discharge | monthly average | report only (mkcal/day) | Jun–Oct | 013 |
| pH | daily minimum | ≥ 7 SU | all year | 013 |
| pH | daily maximum | ≤ 8.5 SU | all year | 013 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 013 |
| Oil & Grease | daily maximum | ≤ 5 mg/L | all year | 013 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 013 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 013 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 013 |
| Oil and grease visual | monthly average | report only (N=0;Y=1) | all year | 013 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 014 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 014 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 014 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 014 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year | 014 |
| Thermal Discharge | monthly average | report only (mkcal/day) | Jun–Oct | 014 |
| pH | daily minimum | ≥ 7 SU | all year | 014 |
| pH | daily maximum | ≤ 8.5 SU | all year | 014 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 014 |
| Oil & Grease | daily maximum | ≤ 5 mg/L | all year | 014 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 014 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 014 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 014 |
| Oil and grease visual | value | report only (N=0;Y=1) | all year | 014 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 015 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 015 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 015 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 015 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year | 015 |
| Thermal Discharge | monthly average | report only (mkcal/day) | Jun–Oct | 015 |
| pH | daily minimum | ≥ 7 SU | all year | 015 |
| pH | daily maximum | ≤ 8.5 SU | all year | 015 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 015 |
| Oil & Grease | daily maximum | ≤ 5 mg/L | all year | 015 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 015 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 015 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 015 |
| Oil and grease visual | value | report only (N=0;Y=1) | all year | 015 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 016 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 016 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 016 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 016 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year | 016 |
| Thermal Discharge | monthly average | report only (mkcal/day) | Jun–Oct | 016 |
| pH | daily minimum | ≥ 7 SU | all year | 016 |
| pH | daily maximum | ≤ 8.5 SU | all year | 016 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 016 |
| Oil & Grease | daily maximum | ≤ 5 mg/L | all year | 016 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 016 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 016 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 017 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 017 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 017 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 017 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year | 017 |
| Thermal Discharge | monthly average | report only (mkcal/day) | Jun–Oct | 017 |
| pH | daily minimum | ≥ 7 SU | all year | 017 |
| pH | daily maximum | ≤ 8.5 SU | all year | 017 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 017 |
| Oil & Grease | daily maximum | ≤ 5 mg/L | all year | 017 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 017 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 017 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 017 |
| Oil and grease visual | value | report only (N=0;Y=1) | all year | 017 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 018 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 018 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 018 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 018 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year | 018 |
| Thermal Discharge | monthly average | report only (mkcal/day) | Jun–Oct | 018 |
| pH | daily minimum | ≥ 7 SU | all year | 018 |
| pH | daily maximum | ≤ 8.5 SU | all year | 018 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 018 |
| Oil & Grease | daily maximum | ≤ 5 mg/L | all year | 018 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 018 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 018 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 018 |
| Oil and grease visual | value | report only (N=0;Y=1) | all year | 018 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 019 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 019 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 019 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 019 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year | 019 |
| Thermal Discharge | monthly average | report only (mkcal/day) | Jun–Oct | 019 |
| pH | daily minimum | ≥ 7 SU | all year | 019 |
| pH | daily maximum | ≤ 8.5 SU | all year | 019 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 019 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 019 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 019 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 019 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 019 |
| Oil and grease visual | value | report only (N=0;Y=1) | all year | 019 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 020 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 020 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 020 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 020 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year | 020 |
| Thermal Discharge | monthly average | report only (mkcal/day) | Jun–Oct | 020 |
| pH | daily minimum | ≥ 7 SU | all year | 020 |
| pH | daily maximum | ≤ 8.5 SU | all year | 020 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 020 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 020 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 020 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 020 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 020 |
| Oil and grease visual | value | report only (N=0;Y=1) | all year | 020 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 023 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 023 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year | 023 |
| Thermal Discharge | monthly average | report only (mkcal/day) | Jun–Oct | 023 |
| pH | daily minimum | ≥ 7 SU | all year | 023 |
| pH | daily maximum | ≤ 8.5 SU | all year | 023 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 023 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 023 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 023 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 023 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 024 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 024 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year | 024 |
| Thermal Discharge | monthly average | report only (mkcal/day) | Jun–Oct | 024 |
| pH | daily minimum | ≥ 7 SU | all year | 024 |
| pH | daily maximum | ≤ 8.5 SU | all year | 024 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 024 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 024 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 024 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 024 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 025 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 025 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year | 025 |
| Thermal Discharge | monthly average | report only (mkcal/day) | Jun–Oct | 025 |
| pH | daily minimum | ≥ 7 SU | all year | 025 |
| pH | daily maximum | ≤ 8.5 SU | all year | 025 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 025 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 025 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 025 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 025 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 026 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 026 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year | 026 |
| Thermal Discharge | monthly average | report only (mkcal/day) | Jun–Oct | 026 |
| pH | daily minimum | ≥ 7 SU | all year | 026 |
| pH | daily maximum | ≤ 8.5 SU | all year | 026 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 026 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 026 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 026 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 026 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 027 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 027 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year | 027 |
| Thermal Discharge | monthly average | report only (mkcal/day) | Jun–Oct | 027 |
| pH | daily minimum | ≥ 7 SU | all year | 027 |
| pH | daily maximum | ≤ 8.5 SU | all year | 027 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 027 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 027 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 027 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 027 |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Chlorine, total residual, daily maximum outfall 004 | 0.05 mg/L | new | 0.34 mg/L (8 values) | 6.8× |
| Chlorine, total residual, monthly average outfall 004 | 0.05 mg/L | new | 0.285 mg/L (8 values) | 5.7× |
| Chlorine, total residual, daily maximum outfall 005 | 0.05 mg/L | new | 0.21 mg/L (7 values) | 4.2× |
| Chlorine, total residual, monthly average outfall 005 | 0.05 mg/L | new | 0.09 mg/L (7 values) | 1.8× |
| Chlorine, total residual, daily maximum outfall 006 | 0.05 mg/L | new | 0.235 mg/L (8 values) | 4.7× |
| Chlorine, total residual, monthly average outfall 006 | 0.05 mg/L | new | 0.193 mg/L (8 values) | 3.86× |
| Chlorine, total residual, daily maximum outfall 007 | 0.05 mg/L | new | 0.12 mg/L (7 values) | 2.4× |
| Chlorine, total residual, daily maximum outfall 008 | 0.05 mg/L | new | 0.405 mg/L (8 values) | 8.1× |
| Chlorine, total residual, monthly average outfall 008 | 0.05 mg/L | new | 0.335 mg/L (8 values) | 6.7× |
| Chlorine, total residual, daily maximum outfall 009 | 0.05 mg/L | new | 0.17 mg/L (7 values) | 3.4× |
| Chlorine, total residual, monthly average outfall 009 | 0.05 mg/L | new | 0.08 mg/L (7 values) | 1.6× |
| Chlorine, total residual, daily maximum outfall 023 | 0.05 mg/L | new | 0.335 mg/L (8 values) | 6.7× |
| Chlorine, total residual, monthly average outfall 023 | 0.05 mg/L | new | 0.285 mg/L (8 values) | 5.7× |
| Chlorine, total residual, daily maximum outfall 024 | 0.05 mg/L | new | 0.335 mg/L (8 values) | 6.7× |
| Chlorine, total residual, monthly average outfall 024 | 0.05 mg/L | new | 0.285 mg/L (8 values) | 5.7× |
| Chlorine, total residual, daily maximum outfall 025 | 0.05 mg/L | new | 0.335 mg/L (8 values) | 6.7× |
| Chlorine, total residual, monthly average outfall 025 | 0.05 mg/L | new | 0.285 mg/L (8 values) | 5.7× |
| Chlorine, total residual, daily maximum outfall 026 | 0.05 mg/L | new | 0.335 mg/L (8 values) | 6.7× |
| Chlorine, total residual, monthly average outfall 026 | 0.05 mg/L | new | 0.285 mg/L (8 values) | 5.7× |
| Chlorine, total residual, daily maximum outfall 027 | 0.05 mg/L | new | 0.335 mg/L (8 values) | 6.7× |
| Chlorine, total residual, monthly average outfall 027 | 0.05 mg/L | new | 0.285 mg/L (8 values) | 5.7× |
| Chlorine, total residual, monthly average outfall 007 | 0.05 mg/L | new | 0.05 mg/L (7 values) | 1× |
Cited limits by parameter: Oregon's rules and the federal ones.
Same industry: the 8 Electric Services permits in Oregon.
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Your permit document is the final word. As JSON: /api/v1/permits/OR0055000 · MCP: https://passage-data.com/mcp