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Sewage treatment plant, Ephraim, Utah. NPDES permit UT0025984, in force until Sep 30, 2028. Last 12 months: no values over a limit, 2 of 27 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | daily minimum | ≥ 4 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 22 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum 7-day average | ≤ 35 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | 30-day 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 7-day average | ≤ 35 mg/L | all year | 001 |
| Solids, total suspended | 30-day average | report only (mg/L) | all year | 001 |
| Oil & Grease | daily maximum | ≤ 10 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 15.3 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | annual average | ≤ 1747 lb/mo | 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] | 30-day average | report only (mg/L) | all year | 001 |
| Cyanide, total [as CN] | daily maximum | report only (mg/L) | all year | 001 |
| Cyanide, total [as CN] | daily maximum | report only (mg/L) | all year | 001 |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | all year | 001 |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | all year | 001 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 001 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 001 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 001 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 001 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 001 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 001 |
| Molybdenum, total [as Mo] | daily maximum | report only (mg/L) | all year | 001 |
| Molybdenum, total [as Mo] | daily maximum | report only (mg/L) | all year | 001 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 001 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 001 |
| Silver, total [as Ag] | daily maximum | report only (mg/L) | all year | 001 |
| Silver, total [as Ag] | daily maximum | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 001 |
| Selenium, total [as Se] | daily maximum | report only (mg/L) | all year | 001 |
| Selenium, total [as Se] | daily maximum | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | maximum monthly average | ≤ 0 MGD | Mar–Nov | 001 |
| Flow, in conduit or thru treatment plant | maximum monthly average | ≤ 1.94 MGD | Jan, Feb, Dec | 001 |
| Chlorine, total residual | maximum monthly average | ≤ .023 mg/L | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ .041 mg/L | all year | 001 |
| Phosphorus, ortho | 30-day average | report only (mg/L) | all year | 001 |
| E. coli | maximum monthly average | ≤ 126 #/100mL | all year | 001 |
| E. coli | maximum 7-day average | ≤ 157 #/100mL | all year | 001 |
| Solids, total dissolved | daily maximum | ≤ 1200 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] | daily maximum | report only (mg/L) | all year | 001 |
| Mercury, total [as Hg] | daily maximum | report only (mg/L) | all year | 001 |
| Organics, total toxic [TTO] | daily maximum | report only (mg/L) | all year | 001 |
| Organics, total toxic [TTO] | daily maximum | 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 | ≤ 25 mg/L | all year | 001R |
| pH | minimum | ≥ 6 SU | all year | 001R |
| pH | maximum | ≤ 9 SU | all year | 001R |
| Solids, total suspended | maximum monthly average | ≤ 25 mg/L | all year | 001R |
| Solids, total suspended | 7-day median | ≤ 35 mg/L | all year | 001R |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 001R |
| E. coli | maximum | ≤ 500 #/100mL | all year | 001R |
| E. coli | 7-day median | ≤ 126 #/100mL | all year | 001R |
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/UT0025984 · MCP: https://passage-data.com/mcp