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City of Lansing

Sewage treatment plant, Lansing, Iowa. NPDES permit IA0024597, in force until Mar 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (25 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (25)

ParameterStatisticLimitMonths
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≤ 101.8 lb/dall year
Solids, total suspended7-day average≤ 152.7 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
Chlorine, total residual30-day average≤ 2.587 mg/Lall year
Chlorine, total residualdaily maximum≤ 2.587 mg/Lall year
Chlorine, total residual30-day average≤ 5.32 lb/dall year
Chlorine, total residualdaily maximum≤ 5.32 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≤ 84.9 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 135.8 lb/dall year

New limits from Apr 1, 2028

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Chlorine, total residual, 30-day average2.09 lb/dtighter0.3113 lb/d (8 values)0.149×
Chlorine, total residual, 30-day average1.1 mg/Ltighter0.4375 mg/L (8 values)0.398×
Chlorine, total residual, daily maximum1.1 mg/Ltighter0.615 mg/L (8 values)0.559×
Chlorine, total residual, daily maximum2.09 lb/dtighter0.4354 lb/d (8 values)0.208×

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/IA0024597 · MCP: https://passage-data.com/mcp