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Sewage treatment plant, Coalville, Utah. NPDES permit UT0025976, in force until Mar 31, 2029. Last 12 months: over a limit 2 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| May 2026 | Nitrogen, ammonia total [as N], daily maximum | 18.6 mg/L | ≤ 12.5 mg/L | 49% |
| May 2026 | Nitrogen, ammonia total [as N], maximum monthly average | 18.4 mg/L | ≤ 4.8 mg/L | 283% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year |
| Oxygen, dissolved [DO] | daily minimum | ≥ 8 mg/L | all year |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 25 mg/L | all year |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 35 mg/L | all year |
| BOD, 5-day, 20 deg. C | maximum monthly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (mg/L) | all year |
| pH | daily minimum | ≥ 6.5 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | maximum monthly average | ≤ 25 mg/L | all year |
| Solids, total suspended | maximum weekly average | ≤ 35 mg/L | all year |
| Solids, total suspended | maximum monthly average | report only (mg/L) | all year |
| Solids, total suspended | maximum weekly average | report only (mg/L) | all year |
| Oil & Grease | daily maximum | ≤ 10 mg/L | all year |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 4.8 mg/L | Apr–Jun |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 5.32 mg/L | Jul–Sep |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 4.5 mg/L | Oct–Dec |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 5 mg/L | Jan–Mar |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.5 mg/L | Apr–Jun |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 20.4 mg/L | Jul–Sep |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 11.2 mg/L | Oct–Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Jan–Mar |
| Nitrogen, Kjeldahl, total [as N] | 30-day average | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | 30-day average | report only (mg/L) | all year |
| Phosphorus, total [as P] | 30-day average | report only (mg/L) | all year |
| Phosphorus, total [as P] | 30-day average | report only (mg/L) | all year |
| Cyanide, total [as CN] | quarterly maximum | report only (mg/L) | all year |
| Cyanide, total [as CN] | quarterly maximum | report only (mg/L) | all year |
| Arsenic, total [as As] | quarterly maximum | report only (mg/L) | all year |
| Arsenic, total [as As] | quarterly maximum | report only (mg/L) | all year |
| Cadmium, total [as Cd] | quarterly maximum | report only (mg/L) | all year |
| Cadmium, total [as Cd] | quarterly maximum | report only (mg/L) | all year |
| Chromium, total [as Cr] | quarterly maximum | report only (mg/L) | all year |
| Chromium, total [as Cr] | quarterly maximum | report only (mg/L) | all year |
| Copper, total [as Cu] | quarterly maximum | report only (mg/L) | all year |
| Copper, total [as Cu] | quarterly maximum | report only (mg/L) | all year |
| Lead, total [as Pb] | quarterly maximum | report only (mg/L) | all year |
| Lead, total [as Pb] | quarterly maximum | report only (mg/L) | all year |
| Nickel, total [as Ni] | quarterly maximum | report only (mg/L) | all year |
| Nickel, total [as Ni] | quarterly maximum | report only (mg/L) | all year |
| Silver, total [as Ag] | quarterly maximum | report only (mg/L) | all year |
| Silver, total [as Ag] | quarterly maximum | report only (mg/L) | all year |
| Zinc, total [as Zn] | quarterly maximum | report only (mg/L) | all year |
| Zinc, total [as Zn] | quarterly maximum | report only (mg/L) | all year |
| Selenium, total [as Se] | quarterly maximum | report only (mg/L) | all year |
| Selenium, total [as Se] | quarterly maximum | report only (mg/L) | all year |
| Flow, in conduit or thru treatment plant | maximum monthly average | ≤ .58 MGD | all year |
| Flow, in conduit or thru treatment plant | maximum monthly average | report only (MGD) | all year |
| Phosphorus, ortho | 30-day average | report only (mg/L) | all year |
| E. coli | maximum monthly average | ≤ 126 #/100mL | all year |
| E. coli | maximum weekly average | ≤ 157 #/100mL | all year |
| Nitrogen, Total | monthly total | report only (lb) | all year |
| Nitrogen, Total | annual maximum | ≤ 12828 lb | all year |
| Nitrogen, Total | EPA's "SEAN MAX" | ≤ 6413 lb | Apr–Sep |
| Phosphorus, Total | monthly total | report only (lb) | all year |
| Phosphorus, Total | annual maximum | ≤ 1283 lb | all year |
| Phosphorus, Total | EPA's "SEAN MAX" | ≤ 642 lb | Apr–Sep |
| Solids, total dissolved [TDS] | 30-day average | report only (mg/L) | all year |
| Nitrogen, nitrate total [as NO3] | 30-day average | report only (mg/L) | all year |
| Nitrogen, nitrite total [as NO2] | 30-day average | report only (mg/L) | all year |
| Mercury, total [as Hg] | quarterly maximum | report only (mg/L) | all year |
| Mercury, total [as Hg] | quarterly maximum | report only (mg/L) | all year |
| BOD, 5-day, percent removal | minimum | ≥ 85 % | all year |
| Solids, suspended percent removal | minimum | ≥ 85 % | all year |
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/UT0025976 · MCP: https://passage-data.com/mcp