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Utah Associated Municipal Power Systems

Electric Services, Payson, Utah. NPDES permit UT0025518, in force until Mar 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (23 values), form P quarterly (46 values), form Y yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 16 reports late

Limits in force (74)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Flow ratemaximum monthly average≤ 1 MGDall year
Oxygen, dissolved [DO]daily minimum≥ 4 mg/Lall year
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmaximum monthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 100 mg/Lall year
Nitrogen, ammonia total [as N]maximum monthly average≤ 12.4 mg/LJan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
Nitrogen, ammonia total [as N]maximum monthly average≤ 10 mg/LJul–Sep
Nitrogen, ammonia total [as N]30-day averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]30-day averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]30-day averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]30-day averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]30-day averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]30-day averagereport only (mg/L)all year
Phosphorus, total [as P]30-day averagereport only (mg/L)all year
Phosphorus, total [as P]30-day averagereport only (mg/L)all year
Phosphorus, total [as P]30-day averagereport only (mg/L)all year
Phosphorus, total [as P]30-day averagereport only (mg/L)all year
Cyanide, total [as CN]monthly maximumreport only (mg/L)all year
Cyanide, total [as CN]monthly averagereport only (mg/L)all year
Iron, total recoverablemaximum monthly average≤ 1 mg/Lall year
Iron, total recoverabledaily maximum≤ 1 mg/Lall year
Arsenic, total [as As]90-day averagereport only (mg/L)all year
Arsenic, total [as As]90-day averagereport only (mg/L)all year
Arsenic, total [as As]daily maximumreport only (mg/L)all year
Arsenic, total [as As]daily maximumreport only (mg/L)all year
Cadmium, total [as Cd]90-day averagereport only (mg/L)all year
Cadmium, total [as Cd]90-day averagereport only (mg/L)all year
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year
Chromium, total [as Cr]maximum monthly average≤ .2 mg/Lall year
Chromium, total [as Cr]daily maximum≤ .2 mg/Lall year
Copper, total [as Cu]maximum monthly average≤ .085 mg/Lall year
Copper, total [as Cu]daily maximum≤ .085 mg/Lall year
Lead, total [as Pb]90-day averagereport only (mg/L)all year
Lead, total [as Pb]90-day averagereport only (mg/L)all year
Lead, total [as Pb]daily maximumreport only (mg/L)all year
Lead, total [as Pb]daily maximumreport only (mg/L)all year
Nickel, total [as Ni]90-day averagereport only (mg/L)all year
Nickel, total [as Ni]90-day averagereport only (mg/L)all year
Nickel, total [as Ni]daily maximumreport only (mg/L)all year
Nickel, total [as Ni]daily maximumreport only (mg/L)all year
Silver, total [as Ag]90-day averagereport only (mg/L)all year
Silver, total [as Ag]90-day averagereport only (mg/L)all year
Silver, total [as Ag]daily maximumreport only (mg/L)all year
Silver, total [as Ag]daily maximumreport only (mg/L)all year
Zinc, total [as Zn]maximum monthly average≤ .654 mg/Lall year
Zinc, total [as Zn]daily maximum≤ 1 mg/Lall year
Aluminum, total recoverable90-day averagereport only (mg/L)all year
Aluminum, total recoverable90-day averagereport only (mg/L)all year
Aluminum, total recoverabledaily maximumreport only (mg/L)all year
Aluminum, total recoverabledaily maximumreport only (mg/L)all year
Selenium, total [as Se]maximum monthly average≤ .0131 mg/Lall year
Oil and greasedaily maximum≤ 10 mg/Lall year
Phosphate, ortho [as P]30-day averagereport only (mg/L)all year
Phosphate, ortho [as P]30-day averagereport only (mg/L)all year
Chlorine, total residualdaily maximum≤ 2.2 mg/LJul–Sep
Chlorine, total residualdaily maximum≤ 1.2 mg/LOct–Dec
Chlorine, total residualdaily maximum≤ 1 mg/LApr–Jun
Chlorine, total residualdaily maximum≤ .7 mg/LJan–Mar
Priority Pollutant Resultstotal≤ 1 prst=0;abst=1all year
Solids, total dissolved [TDS]daily maximum≤ 3396 mg/Lall year
Nitrogen, nitrate total [as NO3]30-day averagereport only (mg/L)all year
Nitrogen, nitrate total [as NO3]30-day averagereport only (mg/L)all year
Nitrogen, nitrite total [as NO2]30-day averagereport only (mg/L)all year
Nitrogen, nitrite total [as NO2]30-day averagereport only (mg/L)all year
Mercury, total [as Hg]90-day averagereport only (mg/L)all year
Mercury, total [as Hg]90-day averagereport only (mg/L)all year
Mercury, total [as Hg]maximum monthly averagereport only (mg/L)all year
Mercury, total [as Hg]daily maximumreport only (mg/L)all year
Mercury, total [as Hg]daily maximumreport only (mg/L)all year
Organics, total toxic [TTO]daily maximumreport only (mg/L)all year
Organics, total toxic [TTO]daily maximumreport only (mg/L)all year

New limits from Jan 1, 2028

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Nitrogen, ammonia total [as N], maximum monthly average7 mg/Ltighter0.2065 mg/L (10 values, 9 below detection)—
Solids, total dissolved [TDS], daily maximum2756 mg/Ltighter1770 mg/L (10 values)0.642×

How strict are these limits?

Cited limits by parameter: Utah's rules and the federal ones.

Same industry: the 3 Electric Services permits in Utah.

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Your permit document is the final word. As JSON: /api/v1/permits/UT0025518 · MCP: https://passage-data.com/mcp