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Sewage treatment plant, Corinne, Utah. NPDES permit UT0020931, in force until May 31, 2031. Last 12 months: over a limit once (last March 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| March 2026 | Solids, total suspended, maximum weekly average | 48 mg/L | ≤ 45 mg/L | 7% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Flow rate | maximum monthly average | ≤ .07 MGD | all year | 001 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 4 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 25 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 35 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | report only (mg/L) | all year | 001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | maximum monthly average | ≤ 25 mg/L | all year | 001 |
| Solids, total suspended | maximum weekly average | ≤ 35 mg/L | all year | 001 |
| Solids, total suspended | maximum monthly average | report only (mg/L) | all year | 001 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | 30-day average | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | 30-day average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | 30-day average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | annual maximum | ≤ 558 lb/yr | all year | 001 |
| Phosphorus, total [as P] | 30-day average | report only (mg/L) | all year | 001 |
| Cyanide, total [as CN] | quarterly average | report only (mg/L) | all year | 001 |
| Cyanide, total [as CN] | quarterly average | report only (mg/L) | all year | 001 |
| Arsenic, total [as As] | quarterly average | report only (mg/L) | all year | 001 |
| Arsenic, total [as As] | quarterly average | report only (mg/L) | all year | 001 |
| Cadmium, total [as Cd] | quarterly average | report only (mg/L) | all year | 001 |
| Cadmium, total [as Cd] | quarterly average | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | quarterly average | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | quarterly average | report only (mg/L) | all year | 001 |
| Lead, total [as Pb] | quarterly average | report only (mg/L) | all year | 001 |
| Lead, total [as Pb] | quarterly average | report only (mg/L) | all year | 001 |
| Nickel, total [as Ni] | quarterly average | report only (mg/L) | all year | 001 |
| Nickel, total [as Ni] | quarterly average | report only (mg/L) | all year | 001 |
| Silver, total [as Ag] | quarterly average | report only (mg/L) | all year | 001 |
| Silver, total [as Ag] | quarterly average | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | quarterly average | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | quarterly average | report only (mg/L) | all year | 001 |
| Chromium, total recoverable | quarterly average | report only (mg/L) | all year | 001 |
| Chromium, total recoverable | quarterly average | report only (mg/L) | all year | 001 |
| Selenium, total [as Se] | quarterly average | report only (mg/L) | all year | 001 |
| Selenium, total [as Se] | quarterly average | report only (mg/L) | all year | 001 |
| Phosphate, ortho [as P] | 30-day average | report only (mg/L) | all year | 001 |
| E. coli | maximum monthly average | ≤ 126 #/100mL | all year | 001 |
| E. coli | maximum weekly average | ≤ 158 #/100mL | all year | 001 |
| Solids, total dissolved | daily maximum | ≤ 1200 mg/L | all year | 001 |
| Solids, total dissolved | 30-day average | report only (mg/L) | all year | 001 |
| Nitrogen, nitrate total [as NO3] | 30-day average | report only (mg/L) | all year | 001 |
| Nitrogen, nitrite total [as NO2] | 30-day average | report only (mg/L) | all year | 001 |
| Mercury, total [as Hg] | quarterly average | report only (mg/L) | all year | 001 |
| Mercury, total [as Hg] | quarterly average | report only (mg/L) | all year | 001 |
| BOD, 5-day, percent removal | minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | minimum | ≥ 85 % | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 45 mg/L | all year | 001D |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 65 mg/L | all year | 001D |
| pH | daily minimum | ≥ 6.5 SU | all year | 001D |
| pH | daily maximum | ≤ 9.5 SU | all year | 001D |
| Solids, total suspended | maximum monthly average | ≤ 45 mg/L | all year | 001D |
| Solids, total suspended | maximum weekly average | ≤ 65 mg/L | all year | 001D |
| Nitrogen, inorganic total | maximum monthly average | report only (mg/L) | all year | 001D |
| E. coli | maximum weekly average | ≤ 158 #/100mL | all year | 001D |
| E. coli | daily maximum | ≤ 500 #/100mL | all year | 001D |
| Area of disposal-used | maximum monthly average | report only (acr) | all year | 001D |
| Freeboard | maximum monthly average | report only (ft) | all year | 001D |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 001D |
| Depth to water level ft below landsurface | maximum monthly average | report only (ft) | all year | 001D |
| Flow, total | maximum monthly average | report only (MGD) | all year | 001D |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C, maximum monthly average | 25 mg/L | tighter | — | — |
| BOD, 5-day, 20 deg. C, maximum weekly average | 35 mg/L | tighter | — | — |
| Solids, total suspended, maximum monthly average | 25 mg/L | tighter | — | — |
| Solids, total suspended, maximum weekly average | 35 mg/L | tighter | — | — |
| pH, daily maximum | 9 SU | tighter | — | — |
Cited limits by parameter: Utah'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/UT0020931 · MCP: https://passage-data.com/mcp