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Sewage treatment plant, major discharger, Park City, Utah. NPDES permit UT0020001, in force until Apr 30, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. fahrenheit | 30-day average | report only (deg F) | all year |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year |
| Oxygen, dissolved [DO] | monthly average minimum | report only (mg/L) | all year |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 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 | 30-day average | report only (mg/L) | all year |
| Oil & Grease | daily maximum | ≤ 10 mg/L | all year |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 6.04 mg/L | Sep–Nov |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 4.4 mg/L | Jul, Aug |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 7.33 mg/L | Jan, Feb, Mar, Dec |
| Nitrogen, ammonia total [as N] | maximum monthly average | ≤ 5.59 mg/L | Apr–Jun |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 7.91 mg/L | Sep–Nov |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.4 mg/L | Jul, Aug |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 9.68 mg/L | Jan, Feb, Mar, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.11 mg/L | Apr–Jun |
| Nitrogen, ammonia total [as N] | monthly maximum | ≤ 6060 lb/mo | Sep–Nov |
| Nitrogen, ammonia total [as N] | monthly maximum | ≤ 4410 lb/mo | Jul, Aug |
| Nitrogen, ammonia total [as N] | monthly maximum | ≤ 7332 lb/mo | Jan, Feb, Mar, Dec |
| Nitrogen, ammonia total [as N] | monthly maximum | ≤ 5592 lb/mo | 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] | annual total | ≤ 1973 lb/yr | all year |
| Phosphorus, total [as P] | 30-day average | report only (mg/L) | all year |
| Cyanide, total [as CN] | daily maximum | report only (mg/L) | all year |
| Cyanide, total [as CN] | quarterly average | report only (mg/L) | all year |
| Cyanide, total [as CN] | quarterly maximum | report only (mg/L) | all year |
| Arsenic, total [as As] | quarterly average | report only (mg/L) | all year |
| Arsenic, total [as As] | quarterly maximum | report only (mg/L) | all year |
| Arsenic, total [as As] | quarterly average | report only (mg/L) | all year |
| Arsenic, total [as As] | quarterly maximum | report only (mg/L) | all year |
| Cadmium, total [as Cd] | quarterly average | report only (mg/L) | all year |
| Cadmium, total [as Cd] | quarterly maximum | report only (mg/L) | all year |
| Cadmium, total [as Cd] | quarterly average | report only (mg/L) | all year |
| Cadmium, total [as Cd] | quarterly maximum | report only (mg/L) | all year |
| Chromium, total [as Cr] | quarterly average | report only (mg/L) | all year |
| Chromium, total [as Cr] | quarterly maximum | report only (mg/L) | all year |
| Chromium, total [as Cr] | quarterly average | report only (mg/L) | all year |
| Chromium, total [as Cr] | quarterly maximum | report only (mg/L) | all year |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year |
| Copper, total [as Cu] | quarterly average | report only (mg/L) | all year |
| Copper, total [as Cu] | quarterly maximum | report only (mg/L) | all year |
| Lead, total [as Pb] | quarterly average | report only (mg/L) | all year |
| Lead, total [as Pb] | quarterly maximum | report only (mg/L) | all year |
| Lead, total [as Pb] | quarterly average | report only (mg/L) | all year |
| Lead, total [as Pb] | quarterly maximum | report only (mg/L) | all year |
| Molybdenum, dissolved [as Mo] | quarterly average | report only (mg/L) | all year |
| Molybdenum, dissolved [as Mo] | quarterly maximum | report only (mg/L) | all year |
| Molybdenum, dissolved [as Mo] | quarterly average | report only (mg/L) | all year |
| Molybdenum, dissolved [as Mo] | quarterly maximum | report only (mg/L) | all year |
| Nickel, total [as Ni] | quarterly average | report only (mg/L) | all year |
| Nickel, total [as Ni] | quarterly maximum | report only (mg/L) | all year |
| Nickel, total [as Ni] | quarterly average | report only (mg/L) | all year |
| Nickel, total [as Ni] | quarterly maximum | report only (mg/L) | all year |
| Silver, total [as Ag] | quarterly average | report only (mg/L) | all year |
| Silver, total [as Ag] | quarterly maximum | report only (mg/L) | all year |
| Silver, total [as Ag] | quarterly average | report only (mg/L) | all year |
| Silver, total [as Ag] | quarterly maximum | report only (mg/L) | all year |
| Zinc, total [as Zn] | quarterly average | report only (mg/L) | all year |
| Zinc, total [as Zn] | quarterly maximum | report only (mg/L) | all year |
| Zinc, total [as Zn] | quarterly average | report only (mg/L) | all year |
| Zinc, total [as Zn] | quarterly maximum | report only (mg/L) | all year |
| Selenium, total [as Se] | quarterly average | report only (mg/L) | all year |
| Selenium, total [as Se] | quarterly maximum | report only (mg/L) | all year |
| Selenium, total [as Se] | quarterly average | report only (mg/L) | all year |
| Selenium, total [as Se] | quarterly maximum | report only (mg/L) | all year |
| Phosphate, ortho [as P] | 30-day average | report only (mg/L) | all year |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| E. coli | 30-day geometric mean | ≤ 126 #/100mL | all year |
| E. coli | 7-day geometric mean | ≤ 157 #/100mL | all year |
| Solids, total dissolved | daily maximum | ≤ 1575 mg/L | Jan–Mar |
| Solids, total dissolved | daily maximum | ≤ 2076 mg/L | Apr–Jun |
| Solids, total dissolved | daily maximum | ≤ 1521 mg/L | Oct–Dec |
| Solids, total dissolved | daily maximum | ≤ 1385 mg/L | Jul–Sep |
| Solids, total dissolved | monthly maximum | ≤ 788 ton/mo | Jan–Mar |
| Solids, total dissolved | monthly maximum | ≤ 1039 ton/mo | Apr–Jun |
| Solids, total dissolved | monthly maximum | ≤ 761 ton/mo | Oct–Dec |
| Solids, total dissolved | monthly maximum | ≤ 693 ton/mo | Jul–Sep |
| 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] | daily maximum | report only (mg/L) | all year |
| Mercury, total [as Hg] | quarterly average | report only (mg/L) | all year |
| Mercury, total [as Hg] | quarterly maximum | report only (mg/L) | all year |
| Organics, total toxic [TTO] | annual total | report only (mg/L) | all year |
| Organics, total toxic [TTO] | annual total | report only (mg/L) | all year |
| BOD, carbonaceous [5 day, 5 C] | maximum monthly average | ≤ 20 mg/L | all year |
| BOD, carbonaceous [5 day, 5 C] | maximum weekly average | ≤ 30 mg/L | all year |
| BOD, carbonaceous [5 day, 5 C] | 30-day average | report only (mg/L) | all year |
| Solids, suspended percent removal | minimum % removal | ≥ 85 % | all year |
| Carbonaceous oxygen demand, % removal | minimum % removal | ≥ 85 % | all year |
| Oil and grease visual | daily maximum | report only (N=0;Y=1) | all year |
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (pass=0;fail=1) | Apr, May, Jun, Oct, Nov, Dec |
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | single sample | report only (pass=0;fail=1) | Jan, Feb, Mar, Jul, Aug, Sep |
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/UT0020001 · MCP: https://passage-data.com/mcp