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Traer Municipal Utilities

Sewage treatment plant, Traer, Iowa. NPDES permit IA0035033, in force until Aug 31, 2029. Last 12 months: over a limit 10 times (last April 2026), 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (28 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
December 2025Nitrogen, ammonia total [as N], daily maximum5.12≤ 4.5 mg/L14%
February 2026Nitrogen, ammonia total [as N], 30-day average13.85≤ 9.5 mg/L46%
February 2026Nitrogen, ammonia total [as N], daily maximum17.2≤ 9.5 mg/L81%
March 2026Nitrogen, ammonia total [as N], 30-day average16.1≤ 4.8 mg/L235%
March 2026Nitrogen, ammonia total [as N], 30-day average26.56496≤ 22.8 lb/d17%
March 2026Nitrogen, ammonia total [as N], daily maximum20.4≤ 4.8 mg/L325%
March 2026Nitrogen, ammonia total [as N], daily maximum41.38658≤ 22.8 lb/d82%
April 2026Nitrogen, ammonia total [as N], 30-day average4.2625≤ 4.2 mg/L1%
April 2026Nitrogen, ammonia total [as N], daily maximum27.09185≤ 26 lb/d4%
April 2026Nitrogen, ammonia total [as N], daily maximum9.72≤ 5.3 mg/L83%

Limits in force (72)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 3.1 mg/Lall year
BOD, 5-day, 20 deg. C30-day averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
BOD, 5-day, 20 deg. C30-day averagereport only (lb/d)all year
BOD, 5-day, 20 deg. Cdaily maximumreport only (lb/d)all year
pHdaily minimum≥ 6.4 SUall year
pHdaily maximum≤ 9 SUall year
pH30-day averagereport only (SU)all year
pHdaily maximumreport only (SU)all year
Solids, total suspended30-day average≤ 80 mg/Lall year
Solids, total suspended7-day average≤ 120 mg/Lall year
Solids, total suspended30-day average≤ 406 lb/dall year
Solids, total suspended7-day average≤ 609 lb/dall year
Solids, total suspended30-day averagereport only (mg/L)all year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Solids, total suspended30-day averagereport only (lb/d)all year
Solids, total suspendeddaily maximumreport only (lb/d)all year
Nitrogen, total [as N]30-day average≤ 81.7 lb/dall year
Nitrogen, total [as N]daily maximum≤ 133.7 lb/dall year
Nitrogen, ammonia total [as N]30-day average≤ 4 mg/LMay
Nitrogen, ammonia total [as N]30-day average≤ 9.5 mg/LJan
Nitrogen, ammonia total [as N]30-day average≤ 3.3 mg/LOct
Nitrogen, ammonia total [as N]30-day average≤ 3.6 mg/LJun
Nitrogen, ammonia total [as N]30-day average≤ 4.8 mg/LMar
Nitrogen, ammonia total [as N]30-day average≤ 2.6 mg/LAug
Nitrogen, ammonia total [as N]30-day average≤ 9.5 mg/LFeb
Nitrogen, ammonia total [as N]30-day average≤ 2.8 mg/LJul
Nitrogen, ammonia total [as N]30-day average≤ 2.9 mg/LSep
Nitrogen, ammonia total [as N]30-day average≤ 3.3 mg/LNov
Nitrogen, ammonia total [as N]30-day average≤ 4.2 mg/LApr
Nitrogen, ammonia total [as N]30-day average≤ 4.5 mg/LDec
Nitrogen, ammonia total [as N]daily maximum≤ 4 mg/LMay
Nitrogen, ammonia total [as N]daily maximum≤ 21.2 mg/LJan
Nitrogen, ammonia total [as N]daily maximum≤ 3.3 mg/LOct
Nitrogen, ammonia total [as N]daily maximum≤ 4 mg/LJun
Nitrogen, ammonia total [as N]daily maximum≤ 4.8 mg/LMar
Nitrogen, ammonia total [as N]daily maximum≤ 3.4 mg/LAug
Nitrogen, ammonia total [as N]daily maximum≤ 9.5 mg/LFeb
Nitrogen, ammonia total [as N]daily maximum≤ 4 mg/LJul
Nitrogen, ammonia total [as N]daily maximum≤ 3.3 mg/LSep
Nitrogen, ammonia total [as N]daily maximum≤ 3.3 mg/LNov
Nitrogen, ammonia total [as N]daily maximum≤ 5.3 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 4.5 mg/LDec
Nitrogen, ammonia total [as N]30-day average≤ 18.8 lb/dMay
Nitrogen, ammonia total [as N]30-day average≤ 58.1 lb/dJan
Nitrogen, ammonia total [as N]30-day average≤ 15.6 lb/dOct
Nitrogen, ammonia total [as N]30-day average≤ 18.8 lb/dJun
Nitrogen, ammonia total [as N]30-day average≤ 22.8 lb/dMar
Nitrogen, ammonia total [as N]30-day average≤ 16.1 lb/dAug
Nitrogen, ammonia total [as N]30-day average≤ 46.4 lb/dFeb
Nitrogen, ammonia total [as N]30-day average≤ 17 lb/dJul
Nitrogen, ammonia total [as N]30-day average≤ 15.6 lb/dSep
Nitrogen, ammonia total [as N]30-day average≤ 15.6 lb/dNov
Nitrogen, ammonia total [as N]30-day average≤ 25.8 lb/dApr
Nitrogen, ammonia total [as N]30-day average≤ 21.8 lb/dDec
Nitrogen, ammonia total [as N]daily maximum≤ 18.8 lb/dMay
Nitrogen, ammonia total [as N]daily maximum≤ 105.3 lb/dJan
Nitrogen, ammonia total [as N]daily maximum≤ 15.6 lb/dOct
Nitrogen, ammonia total [as N]daily maximum≤ 18.8 lb/dJun
Nitrogen, ammonia total [as N]daily maximum≤ 22.8 lb/dMar
Nitrogen, ammonia total [as N]daily maximum≤ 16.1 lb/dAug
Nitrogen, ammonia total [as N]daily maximum≤ 46.4 lb/dFeb
Nitrogen, ammonia total [as N]daily maximum≤ 18.8 lb/dJul
Nitrogen, ammonia total [as N]daily maximum≤ 15.6 lb/dSep
Nitrogen, ammonia total [as N]daily maximum≤ 15.6 lb/dNov
Nitrogen, ammonia total [as N]daily maximum≤ 26 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ 21.8 lb/dDec
E. coligeometric mean≤ 126 #/100mLMar–Nov
BOD, carbonaceous [5 day, 20 C]30-day average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]30-day average≤ 127 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 203 lb/dall year

New limits from Aug 1, 2029

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Chloride [as Cl], 30-day average709 mg/Lnew——
Chloride [as Cl], 30-day average2855 lb/dnew——
Chloride [as Cl], daily maximum709 mg/Lnew——
Chloride [as Cl], daily maximum3322 lb/dnew——

How strict are these limits?

Cited limits by parameter: Iowa'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/IA0035033 · MCP: https://passage-data.com/mcp