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Sewage treatment plant, Mona, Utah. NPDES permit UT0025950, in force until Dec 31, 2027. Last 12 months: no values over a limit, 21 required values missing, 5 of 13 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | daily minimum | ≥ 3 mg/L | all year |
| Oxygen, dissolved [DO] | 30-day average | report only (mg/L) | all year |
| Oxygen, dissolved [DO] | monthly average minimum | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 25 mg/L | all year |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 35 mg/L | all year |
| BOD, 5-day, 20 deg. C | 30-day average | report only (mg/L) | all year |
| pH | minimum | ≥ 6.5 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 25 mg/L | all year |
| Solids, total suspended | weekly average | ≤ 35 mg/L | all year |
| Solids, total suspended | 30-day average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 3.12 mg/L | Jul–Sep |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 3.61 mg/L | Oct–Dec |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 3.98 mg/L | Jan–Mar |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 3.72 mg/L | Apr–Jun |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6.95 mg/L | Jul–Sep |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6.95 mg/L | Oct–Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6.95 mg/L | Jan–Mar |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6.95 mg/L | Apr–Jun |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| Lead, total [as Pb] | quarterly maximum | report only (mg/L) | all year |
| Lead, total [as Pb] | quarterly maximum | report only (mg/L) | all year |
| Molybdenum, total [as Mo] | quarterly maximum | report only (mg/L) | all year |
| Molybdenum, total [as Mo] | quarterly maximum | report only (mg/L) | all year |
| Molybdenum, total [as Mo] | quarterly maximum | report only (mg/L) | all year |
| Molybdenum, total [as Mo] | 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 |
| 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 |
| 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 |
| 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 |
| Selenium, total [as Se] | quarterly maximum | report only (mg/L) | all year |
| Selenium, total [as Se] | quarterly maximum | report only (mg/L) | all year |
| Oil and grease | daily maximum | ≤ 10 mg/L | all year |
| Phosphate, ortho [as P] | 30-day average | report only (mg/L) | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .5 MGD | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | weekly average | report only (MGD) | all year |
| E. coli | monthly average | ≤ 126 #/100mL | all year |
| E. coli | weekly average | ≤ 157 #/100mL | 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 |
| 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 | monthly minimum | ≥ 85 % | all year |
| Solids, suspended percent removal | monthly minimum | ≥ 85 % | all year |
| Oil and grease visual | monthly average | report only (N=0;Y=1) | 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/UT0025950 · MCP: https://passage-data.com/mcp