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Springdale, Town of

Sewage treatment plant, Springdale, Utah. NPDES permit UT0025224, in force until Apr 30, 2029. Last 12 months: over a limit 5 times (last December 2025), 2 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (27 values), form T quarterly (3 values), form Y yearly
Last report on file
September 2026
Oct 2024 – Sep 2025
14 values over a limit, 3 required values missing, 6 of 16 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
November 2025Solids, total suspended, maximum monthly average76 mg/L≤ 70 mg/L9%
November 2025Solids, total suspended, maximum weekly average76 mg/L≤ 70 mg/L9%
December 2025Phosphorus, total [as P], annual maximum3728.3 lb/yr≤ 3490 lb/yr7%
December 2025Solids, total suspended, maximum monthly average75 mg/L≤ 70 mg/L7%
December 2025Solids, total suspended, maximum weekly average75 mg/L≤ 70 mg/L7%

Limits in force (34)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheit30-day averagereport only (deg F)all year
Oxygen, dissolved [DO]daily minimum≥ 4 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 65 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum monthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmaximum weekly averagereport only (mg/L)all year
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmaximum monthly average≤ 45 mg/Lall year
Solids, total suspendedmaximum monthly average≤ 70 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 65 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 70 mg/Lall year
Solids, total suspendedmaximum monthly averagereport only (mg/L)all year
Solids, total suspendedmaximum weekly averagereport only (mg/L)all year
Oil & Greasedaily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]maximum monthly averagereport only (mg/L)all year
Phosphorus, total [as P]30-day averagereport only (mg/L)all year
Phosphorus, total [as P]annual maximum≤ 3490 lb/yrall year
Phosphorus, total [as P]30-day averagereport only (mg/L)all year
Phosphate, ortho [as P]30-day averagereport only (mg/L)all year
Flow, in conduit or thru treatment plantmaximum monthly average≤ .29 MGDall year
E. colimaximum monthly average≤ 126 #/100mLall year
E. colimaximum weekly average≤ 157 #/100mLall year
Nitrogen, Kjeldahl Total30-day averagereport only (mg/L)all year
Nitrogen, Kjeldahl Total30-day averagereport only (mg/L)all year
Solids, total dissolvedquarterly maximumreport only (mg/L)all year
Solids, total dissolvedquarterly maximumreport only (mg/L)all year
Solids, total dissolvedquarterly maximum≤ 400 mg/Lall 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
BOD, 5-day, percent removalminimum≥ 85 %all year
Solids, suspended percent removalminimum≥ 85 %all year
Solids, suspended percent removalminimumreport only (%)all year
Oil and grease visualdaily maximum≤ 0 N=0;Y=1all year

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/UT0025224 · MCP: https://passage-data.com/mcp