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Sewage treatment plant, Richmond, Utah. NPDES permit UT0020907, in force until Apr 30, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | daily minimum | ≥ 5.5 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 45 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 65 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly 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 | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | maximum weekly average | ≤ 65 mg/L | all year | 001 |
| Solids, total suspended | maximum monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | maximum weekly average | report only (mg/L) | all year | 001 |
| Oil & Grease | daily maximum | ≤ 10 mg/L | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | maximum monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | maximum monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | ≤ 1 mg/L | Jan, Feb, Mar, Oct, Nov, Dec | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Sep | 001 |
| Phosphorus, total [as P] | daily maximum | ≤ .23 kg/d | Apr–Sep | 001 |
| Phosphorus, total [as P] | daily maximum | report only (kg/d) | Jan, Feb, Mar, Oct, Nov, Dec | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Nickel, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Nickel, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Silver total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Silver total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Cadmium, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Cadmium, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Chromium, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Chromium, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | maximum monthly average | ≤ .5 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | maximum monthly average | report only (MGD) | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ .14 mg/L | all year | 001 |
| Phosphorus, ortho | maximum monthly average | report only (mg/L) | all year | 001 |
| E. coli | maximum monthly average | ≤ 126 #/100mL | all year | 001 |
| E. coli | maximum weekly average | ≤ 157 #/100mL | all year | 001 |
| Nitrogen, nitrate total [as NO3] | maximum monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, nitrite total [as NO2] | maximum monthly average | report only (mg/L) | all year | 001 |
| Mercury, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Mercury, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Cyanide, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Cyanide, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| BOD, 5-day, percent removal | minimum | ≥ 65 % | all year | 001 |
| Solids, suspended percent removal | minimum | ≥ 65 % | all year | 001 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5.5 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 25 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 35 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | maximum monthly average | report only (mg/L) | all year | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (mg/L) | all year | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | maximum monthly average | ≤ 25 mg/L | all year | 002 |
| Solids, total suspended | maximum weekly average | ≤ 35 mg/L | all year | 002 |
| Solids, total suspended | maximum monthly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | maximum weekly average | report only (mg/L) | all year | 002 |
| Oil & Grease | daily maximum | ≤ 10 mg/L | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | maximum monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | maximum monthly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | ≤ 1 mg/L | Jan, Feb, Mar, Oct, Nov, Dec | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Sep | 002 |
| Phosphorus, total [as P] | daily maximum | ≤ .23 kg/d | Apr–Sep | 002 |
| Phosphorus, total [as P] | daily maximum | report only (kg/d) | Jan, Feb, Mar, Oct, Nov, Dec | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 002 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Nickel, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Nickel, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Silver total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Silver total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Cadmium, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Cadmium, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Chromium, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Chromium, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | maximum monthly average | ≤ .5 MGD | all year | 002 |
| Flow, in conduit or thru treatment plant | maximum monthly average | report only (MGD) | all year | 002 |
| Chlorine, total residual | daily maximum | ≤ .14 mg/L | all year | 002 |
| Phosphorus, ortho | maximum monthly average | report only (mg/L) | all year | 002 |
| E. coli | maximum monthly average | ≤ 126 #/100mL | all year | 002 |
| E. coli | maximum weekly average | ≤ 157 #/100mL | all year | 002 |
| Nitrogen, nitrate total [as NO3] | maximum monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, nitrite total [as NO2] | maximum monthly average | report only (mg/L) | all year | 002 |
| Mercury, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Mercury, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Cyanide, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Cyanide, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| BOD, 5-day, percent removal | minimum | ≥ 85 % | all year | 002 |
| Solids, suspended percent removal | minimum | ≥ 85 % | all year | 002 |
| Phosphorus, total [as P] | annual maximum | ≤ 84 kg/yr | all year | SUM |
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/UT0020907 · MCP: https://passage-data.com/mcp