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Sewage treatment plant, major discharger, Ogden, Utah. NPDES permit UT0021911, in force until Jul 31, 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 | SC1 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 25 mg/L | all year | SC1 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 20 mg/L | all year | SC1 |
| BOD, 5-day, 20 deg. C | maximum monthly average | report only (mg/L) | all year | SC1 |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (mg/L) | all year | SC1 |
| pH | daily minimum | ≥ 6.5 SU | all year | SC1 |
| pH | daily maximum | ≤ 9 SU | all year | SC1 |
| Solids, total suspended | maximum monthly average | ≤ 25 mg/L | all year | SC1 |
| Solids, total suspended | maximum weekly average | ≤ 35 mg/L | all year | SC1 |
| Solids, total suspended | maximum monthly average | report only (mg/L) | all year | SC1 |
| Solids, total suspended | maximum weekly average | report only (mg/L) | all year | SC1 |
| Oil & Grease | daily maximum | ≤ 10 mg/L | all year | SC1 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 2.9 mg/L | Jul–Sep | SC1 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 4.9 mg/L | Apr–Jun | SC1 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 4.5 mg/L | Jan–Mar | SC1 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 4 mg/L | Oct–Dec | SC1 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 9.8 mg/L | Jul–Sep | SC1 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 13.2 mg/L | Apr–Jun | SC1 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 13.8 mg/L | Jan–Mar | SC1 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.8 mg/L | Oct–Dec | SC1 |
| Nitrogen, Kjeldahl, total [as N] | 30-day average | report only (mg/L) | all year | SC1 |
| Nitrogen, Kjeldahl, total [as N] | 30-day average | report only (mg/L) | all year | SC1 |
| Phosphorus, total [as P] | 30-day average | report only (mg/L) | all year | SC1 |
| Phosphorus, total [as P] | annual average | ≤ 1 mg/L | all year | SC1 |
| Phosphorus, total [as P] | 30-day average | report only (mg/L) | all year | SC1 |
| Cyanide, total [as CN] | monthly total | report only (mg/L) | all year | SC1 |
| Cyanide, total [as CN] | monthly total | report only (mg/L) | all year | SC1 |
| Arsenic, total [as As] | total | report only (mg/L) | all year | SC1 |
| Arsenic, total [as As] | total | report only (mg/L) | all year | SC1 |
| Cadmium, total [as Cd] | total | report only (mg/L) | all year | SC1 |
| Cadmium, total [as Cd] | total | report only (mg/L) | all year | SC1 |
| Chromium, total [as Cr] | monthly total | report only (mg/L) | all year | SC1 |
| Chromium, total [as Cr] | monthly total | report only (mg/L) | all year | SC1 |
| Copper, total [as Cu] | monthly total | report only (mg/L) | all year | SC1 |
| Copper, total [as Cu] | monthly total | report only (mg/L) | all year | SC1 |
| Lead, total [as Pb] | total | report only (mg/L) | all year | SC1 |
| Lead, total [as Pb] | total | report only (mg/L) | all year | SC1 |
| Molybdenum, total [as Mo] | total | report only (mg/L) | all year | SC1 |
| Molybdenum, total [as Mo] | total | report only (mg/L) | all year | SC1 |
| Nickel, total [as Ni] | total | report only (mg/L) | all year | SC1 |
| Nickel, total [as Ni] | total | report only (mg/L) | all year | SC1 |
| Silver, total [as Ag] | total | report only (mg/L) | all year | SC1 |
| Silver, total [as Ag] | total | report only (mg/L) | all year | SC1 |
| Zinc, total [as Zn] | total | report only (mg/L) | all year | SC1 |
| Zinc, total [as Zn] | total | report only (mg/L) | all year | SC1 |
| Aluminum, total [as Al] | total | report only (mg/L) | all year | SC1 |
| Aluminum, total [as Al] | total | report only (mg/L) | all year | SC1 |
| Selenium, total [as Se] | total | report only (mg/L) | all year | SC1 |
| Selenium, total [as Se] | total | report only (mg/L) | all year | SC1 |
| Phosphate, ortho [as P] | 30-day average | report only (mg/L) | all year | SC1 |
| Flow, in conduit or thru treatment plant | maximum monthly average | ≤ 49 MGD | all year | SC1 |
| Chlorine, total residual | maximum monthly average | ≤ .018 mg/L | Jul–Sep | SC1 |
| Chlorine, total residual | maximum monthly average | ≤ .018 mg/L | Oct–Dec | SC1 |
| Chlorine, total residual | maximum monthly average | ≤ .015 mg/L | Jan–Mar | SC1 |
| Chlorine, total residual | maximum monthly average | ≤ .016 mg/L | Apr–Jun | SC1 |
| Chlorine, total residual | daily maximum | ≤ .032 mg/L | Jul–Sep | SC1 |
| Chlorine, total residual | daily maximum | ≤ .032 mg/L | Oct–Dec | SC1 |
| Chlorine, total residual | daily maximum | ≤ .026 mg/L | Jan–Mar | SC1 |
| Chlorine, total residual | daily maximum | ≤ .028 mg/L | Apr–Jun | SC1 |
| E. coli | maximum monthly average | ≤ 126 #/100mL | all year | SC1 |
| E. coli | maximum weekly average | ≤ 157 #/100mL | all year | SC1 |
| Solids, total dissolved | 30-day average | report only (mg/L) | all year | SC1 |
| Nitrogen, nitrate total [as NO3] | 30-day average | report only (mg/L) | all year | SC1 |
| Nitrogen, nitrite total [as NO2] | 30-day average | report only (mg/L) | all year | SC1 |
| Mercury, total [as Hg] | monthly total | report only (mg/L) | all year | SC1 |
| Mercury, total [as Hg] | monthly total | report only (mg/L) | all year | SC1 |
| Organics, total toxic [TTO] | maximum monthly average | report only (mg/L) | all year | SC1 |
| Organics, total toxic [TTO] | maximum monthly average | report only (mg/L) | all year | SC1 |
| BOD, 5-day, percent removal | monthly minimum | ≥ 85 % | all year | SC1 |
| Solids, suspended percent removal | monthly minimum | ≥ 85 % | all year | SC1 |
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | daily maximum | ≤ 0 pass=0;fail=1 | Apr, May, Jun, Oct, Nov, Dec | SC1 |
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | daily maximum | ≤ 0 pass=0;fail=1 | Jan, Feb, Mar, Jul, Aug, Sep | SC1 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5.5 mg/L | all year | SC2 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 25 mg/L | all year | SC2 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 20 mg/L | all year | SC2 |
| BOD, 5-day, 20 deg. C | maximum monthly average | report only (mg/L) | all year | SC2 |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (mg/L) | all year | SC2 |
| pH | daily minimum | ≥ 6.5 SU | all year | SC2 |
| pH | daily maximum | ≤ 9 SU | all year | SC2 |
| Solids, total suspended | maximum monthly average | ≤ 25 mg/L | all year | SC2 |
| Solids, total suspended | maximum weekly average | ≤ 35 mg/L | all year | SC2 |
| Solids, total suspended | maximum monthly average | report only (mg/L) | all year | SC2 |
| Solids, total suspended | maximum weekly average | report only (mg/L) | all year | SC2 |
| Oil & Grease | daily maximum | ≤ 10 mg/L | all year | SC2 |
| Nitrogen, ammonia total [as N] | maximum monthly average | report only (mg/L) | Jul–Sep | SC2 |
| Nitrogen, ammonia total [as N] | maximum monthly average | report only (mg/L) | Apr–Jun | SC2 |
| Nitrogen, ammonia total [as N] | maximum monthly average | report only (mg/L) | Jan–Mar | SC2 |
| Nitrogen, ammonia total [as N] | maximum monthly average | report only (mg/L) | Oct–Dec | SC2 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 1170 lb/d | Jul–Sep | SC2 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 2002 lb/d | Apr–Jun | SC2 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 1859 lb/d | Jan–Mar | SC2 |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 1616 lb/d | Oct–Dec | SC2 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4014 lb/d | Jul–Sep | SC2 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5396 lb/d | Apr–Jun | SC2 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5643 lb/d | Jan–Mar | SC2 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4402 lb/d | Oct–Dec | SC2 |
| Nitrogen, Kjeldahl, total [as N] | 30-day average | report only (mg/L) | all year | SC2 |
| Nitrogen, Kjeldahl, total [as N] | 30-day average | report only (mg/L) | all year | SC2 |
| Phosphorus, total [as P] | 30-day average | report only (mg/L) | all year | SC2 |
| Phosphorus, total [as P] | 30-day average | report only (mg/L) | all year | SC2 |
| Cyanide, total [as CN] | monthly total | report only (mg/L) | all year | SC2 |
| Cyanide, total [as CN] | monthly total | report only (mg/L) | all year | SC2 |
| Chromium, total [as Cr] | monthly total | report only (mg/L) | all year | SC2 |
| Chromium, total [as Cr] | monthly total | report only (mg/L) | all year | SC2 |
| Copper, total [as Cu] | monthly total | report only (mg/L) | all year | SC2 |
| Copper, total [as Cu] | monthly total | report only (mg/L) | all year | SC2 |
| Phosphate, ortho [as P] | 30-day average | report only (mg/L) | all year | SC2 |
| Flow, in conduit or thru treatment plant | maximum monthly average | report only (MGD) | all year | SC2 |
| Chlorine, total residual | maximum monthly average | ≤ .018 mg/L | Jul–Sep | SC2 |
| Chlorine, total residual | maximum monthly average | ≤ .018 mg/L | Oct–Dec | SC2 |
| Chlorine, total residual | maximum monthly average | ≤ .015 mg/L | Jan–Mar | SC2 |
| Chlorine, total residual | maximum monthly average | ≤ .016 mg/L | Apr–Jun | SC2 |
| Chlorine, total residual | daily maximum | ≤ .032 mg/L | Jul–Sep | SC2 |
| Chlorine, total residual | daily maximum | ≤ .032 mg/L | Oct–Dec | SC2 |
| Chlorine, total residual | daily maximum | ≤ .026 mg/L | Jan–Mar | SC2 |
| Chlorine, total residual | daily maximum | ≤ .028 mg/L | Apr–Jun | SC2 |
| E. coli | maximum monthly average | ≤ 126 #/100mL | all year | SC2 |
| E. coli | maximum weekly average | ≤ 157 #/100mL | all year | SC2 |
| Solids, total dissolved | 30-day average | report only (mg/L) | all year | SC2 |
| Nitrogen, nitrate total [as NO3] | maximum monthly average | report only (mg/L) | all year | SC2 |
| Nitrogen, nitrite total [as NO2] | maximum monthly average | report only (mg/L) | all year | SC2 |
| Mercury, total [as Hg] | monthly total | report only (mg/L) | all year | SC2 |
| Mercury, total [as Hg] | monthly total | report only (mg/L) | all year | SC2 |
| BOD, 5-day, percent removal | monthly minimum | ≥ 85 % | all year | SC2 |
| Solids, suspended percent removal | monthly minimum | ≥ 85 % | all year | SC2 |
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/UT0021911 · MCP: https://passage-data.com/mcp