Passage Data · Check a report · Use it from your AI

City of Wellman

Sewage treatment plant, Wellman, Iowa. NPDES permit IA0032301, in force until Jul 31, 2031. Last 12 months: over a limit 2 times (last October 2025), 4 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (30 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
4 values over a limit, 2 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
October 2025Nitrogen, ammonia total [as N], 30-day average3.1≤ 1.9 mg/L63%
October 2025Nitrogen, ammonia total [as N], daily maximum8.5≤ 8 mg/L6%

Limits in force (74)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 5 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≥ 6.5 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≤ 30 mg/Lall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspended30-day average≤ 113 lb/dall year
Solids, total suspended7-day average≤ 169 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, ammonia total [as N]30-day average≤ 1.9 mg/LApr
Nitrogen, ammonia total [as N]30-day average≤ 4.2 mg/LMar
Nitrogen, ammonia total [as N]30-day average≤ 4.9 mg/LFeb
Nitrogen, ammonia total [as N]30-day average≤ 3.1 mg/LDec
Nitrogen, ammonia total [as N]30-day average≤ 4.2 mg/LJan
Nitrogen, ammonia total [as N]30-day average≤ 1.8 mg/LMay
Nitrogen, ammonia total [as N]30-day average≤ 1.9 mg/LOct
Nitrogen, ammonia total [as N]30-day average≤ 1.3 mg/LSep
Nitrogen, ammonia total [as N]30-day average≤ 1.1 mg/LJul
Nitrogen, ammonia total [as N]30-day average≤ 1 mg/LAug
Nitrogen, ammonia total [as N]30-day average≤ 2.9 mg/LNov
Nitrogen, ammonia total [as N]30-day average≤ 1.3 mg/LJun
Nitrogen, ammonia total [as N]daily maximum≤ 8 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 8 mg/LMar
Nitrogen, ammonia total [as N]daily maximum≤ 9.4 mg/LFeb
Nitrogen, ammonia total [as N]daily maximum≤ 8 mg/LDec
Nitrogen, ammonia total [as N]daily maximum≤ 9.4 mg/LJan
Nitrogen, ammonia total [as N]daily maximum≤ 8 mg/LMay
Nitrogen, ammonia total [as N]daily maximum≤ 8 mg/LOct
Nitrogen, ammonia total [as N]daily maximum≤ 8 mg/LSep
Nitrogen, ammonia total [as N]daily maximum≤ 8.4 mg/LJul
Nitrogen, ammonia total [as N]daily maximum≤ 8.1 mg/LAug
Nitrogen, ammonia total [as N]daily maximum≤ 8 mg/LNov
Nitrogen, ammonia total [as N]daily maximum≤ 8 mg/LJun
Nitrogen, ammonia total [as N]30-day average≤ 6.5 lb/dApr
Nitrogen, ammonia total [as N]30-day average≤ 14.6 lb/dMar
Nitrogen, ammonia total [as N]30-day average≤ 17 lb/dFeb
Nitrogen, ammonia total [as N]30-day average≤ 10.6 lb/dDec
Nitrogen, ammonia total [as N]30-day average≤ 14.7 lb/dJan
Nitrogen, ammonia total [as N]30-day average≤ 6.9 lb/dMay
Nitrogen, ammonia total [as N]30-day average≤ 6.7 lb/dOct
Nitrogen, ammonia total [as N]30-day average≤ 4.5 lb/dSep
Nitrogen, ammonia total [as N]30-day average≤ 4.1 lb/dJul
Nitrogen, ammonia total [as N]30-day average≤ 3.7 lb/dAug
Nitrogen, ammonia total [as N]30-day average≤ 10 lb/dNov
Nitrogen, ammonia total [as N]30-day average≤ 5.1 lb/dJun
Nitrogen, ammonia total [as N]daily maximum≤ 27 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ 27 lb/dMar
Nitrogen, ammonia total [as N]daily maximum≤ 38 lb/dFeb
Nitrogen, ammonia total [as N]daily maximum≤ 27 lb/dDec
Nitrogen, ammonia total [as N]daily maximum≤ 38 lb/dJan
Nitrogen, ammonia total [as N]daily maximum≤ 27 lb/dMay
Nitrogen, ammonia total [as N]daily maximum≤ 27 lb/dOct
Nitrogen, ammonia total [as N]daily maximum≤ 27 lb/dSep
Nitrogen, ammonia total [as N]daily maximum≤ 29 lb/dJul
Nitrogen, ammonia total [as N]daily maximum≤ 28.9 lb/dAug
Nitrogen, ammonia total [as N]daily maximum≤ 27 lb/dNov
Nitrogen, ammonia total [as N]daily maximum≤ 27 lb/dJun
Sulfate, total [as SO4]30-day average≤ 1514 mg/Lall year
Sulfate, total [as SO4]daily maximum≤ 1514 mg/Lall year
Sulfate, total [as SO4]30-day average≤ 5681 lb/dall year
Sulfate, total [as SO4]daily maximum≤ 5681 lb/dall year
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≤ 94 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 150 lb/dall year

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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IA0032301 · MCP: https://passage-data.com/mcp