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City of Leclaire

Sewage treatment plant, major discharger, Le Claire, Iowa. NPDES permit IA0022012, in force until Oct 31, 2028. Last 12 months: over a limit 4 times (last February 2026), 6 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (46 values)
Renewal application due
May 4, 2028 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
2 values over a limit, 4 required values missing, 1 of 12 reports late

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

Period endingParameterReportedLimitOver by
January 2026Nitrogen, ammonia total [as N], 30-day average6.241111≤ 3.4 mg/L84%
January 2026Nitrogen, ammonia total [as N], daily maximum16.5≤ 7 mg/L136%
February 2026Nitrogen, ammonia total [as N], 30-day average7.1975≤ 4 mg/L80%
February 2026Nitrogen, ammonia total [as N], daily maximum11.3≤ 8.4 mg/L35%

Limits in force (90)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 2.8 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 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≤ 385 lb/dall year
Solids, total suspended7-day average≤ 578 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
Oil & Grease30-day average≤ 10 mg/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Nitrogen, total [as N]30-day averagereport only (mg/L)all year
Nitrogen, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, total [as N]30-day averagereport only (lb/d)all year
Nitrogen, total [as N]daily maximumreport only (lb/d)all year
Nitrogen, ammonia total [as N]30-day average≤ 2.5 mg/LDec
Nitrogen, ammonia total [as N]30-day average≤ 3.4 mg/LMar
Nitrogen, ammonia total [as N]30-day average≤ 4 mg/LFeb
Nitrogen, ammonia total [as N]30-day average≤ 1.3 mg/LJun
Nitrogen, ammonia total [as N]30-day average≤ 1.1 mg/LSep
Nitrogen, ammonia total [as N]30-day average≤ 1.6 mg/LOct
Nitrogen, ammonia total [as N]30-day average≤ 1 mg/LAug
Nitrogen, ammonia total [as N]30-day average≤ 2.3 mg/LNov
Nitrogen, ammonia total [as N]30-day average≤ 3.4 mg/LJan
Nitrogen, ammonia total [as N]30-day average≤ 1.8 mg/LMay
Nitrogen, ammonia total [as N]30-day average≤ 1.5 mg/LApr
Nitrogen, ammonia total [as N]30-day average≤ 1 mg/LJul
Nitrogen, ammonia total [as N]daily maximum≤ 4.7 mg/LDec
Nitrogen, ammonia total [as N]daily maximum≤ 7 mg/LMar
Nitrogen, ammonia total [as N]daily maximum≤ 8.4 mg/LFeb
Nitrogen, ammonia total [as N]daily maximum≤ 5.8 mg/LJun
Nitrogen, ammonia total [as N]daily maximum≤ 4.8 mg/LSep
Nitrogen, ammonia total [as N]daily maximum≤ 4.7 mg/LOct
Nitrogen, ammonia total [as N]daily maximum≤ 5.8 mg/LAug
Nitrogen, ammonia total [as N]daily maximum≤ 4.7 mg/LNov
Nitrogen, ammonia total [as N]daily maximum≤ 7 mg/LJan
Nitrogen, ammonia total [as N]daily maximum≤ 5.8 mg/LMay
Nitrogen, ammonia total [as N]daily maximum≤ 4.7 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 5.8 mg/LJul
Nitrogen, ammonia total [as N]30-day average≤ 31.9 lb/dDec
Nitrogen, ammonia total [as N]30-day average≤ 43.9 lb/dMar
Nitrogen, ammonia total [as N]30-day average≤ 50.9 lb/dFeb
Nitrogen, ammonia total [as N]30-day average≤ 17 lb/dJun
Nitrogen, ammonia total [as N]30-day average≤ 13.7 lb/dSep
Nitrogen, ammonia total [as N]30-day average≤ 20.1 lb/dOct
Nitrogen, ammonia total [as N]30-day average≤ 12.4 lb/dAug
Nitrogen, ammonia total [as N]30-day average≤ 29.9 lb/dNov
Nitrogen, ammonia total [as N]30-day average≤ 43.8 lb/dJan
Nitrogen, ammonia total [as N]30-day average≤ 22.5 lb/dMay
Nitrogen, ammonia total [as N]30-day average≤ 19.7 lb/dApr
Nitrogen, ammonia total [as N]30-day average≤ 13 lb/dJul
Nitrogen, ammonia total [as N]daily maximum≤ 60.7 lb/dDec
Nitrogen, ammonia total [as N]daily maximum≤ 89.5 lb/dMar
Nitrogen, ammonia total [as N]daily maximum≤ 108.3 lb/dFeb
Nitrogen, ammonia total [as N]daily maximum≤ 74.3 lb/dJun
Nitrogen, ammonia total [as N]daily maximum≤ 61.1 lb/dSep
Nitrogen, ammonia total [as N]daily maximum≤ 60.9 lb/dOct
Nitrogen, ammonia total [as N]daily maximum≤ 74.4 lb/dAug
Nitrogen, ammonia total [as N]daily maximum≤ 60.8 lb/dNov
Nitrogen, ammonia total [as N]daily maximum≤ 89.4 lb/dJan
Nitrogen, ammonia total [as N]daily maximum≤ 74.1 lb/dMay
Nitrogen, ammonia total [as N]daily maximum≤ 60.9 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ 74.4 lb/dJul
Nitrogen, Kjeldahl, total [as N]30-day averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]30-day averagereport only (lb/d)all year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (lb/d)all year
Phosphorus, total [as P]30-day averagereport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]30-day averagereport only (lb/d)all year
Phosphorus, total [as P]daily maximumreport only (lb/d)all year
Copper, total [as Cu]30-day average≤ .01687 mg/Lall year
Copper, total [as Cu]daily maximum≤ .0269 mg/Lall year
Copper, total [as Cu]30-day average≤ .2166 lb/dall year
Copper, total [as Cu]daily maximum≤ .3455 lb/dall year
E. coligeometric mean≤ 134 #/100mLMar–Nov
Toxicity [acute], Ceriodaphnia dubiadaily maximum≤ 1 N=0;Y=1all year
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximum≤ 1 N=0;Y=1all year
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≤ 321 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 514 lb/dall year

How strict are these limits?

Cited limits by parameter: Iowa'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/IA0022012 · MCP: https://passage-data.com/mcp