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City of Ricketts

Sewage treatment plant, Ricketts, Iowa. NPDES permit IA0042927, in force until Oct 31, 2028. 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 (10 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: 1 value over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (10)

Parameter	Statistic	Limit	Months
pH	daily minimum	≥ 6.5 SU	all year
pH	daily maximum	≤ 9 SU	all year
Solids, total suspended	30-day average	≤ 30 mg/L	all year
Solids, total suspended	7-day average	≤ 45 mg/L	all year
Solids, total suspended	30-day average	≤ 3.6 lb/d	all year
Solids, total suspended	7-day average	≤ 5.4 lb/d	all year
BOD, carbonaceous [5 day, 20 C]	30-day average	≤ 25 mg/L	all year
BOD, carbonaceous [5 day, 20 C]	7-day average	≤ 40 mg/L	all year
BOD, carbonaceous [5 day, 20 C]	30-day average	≤ 3 lb/d	all year
BOD, carbonaceous [5 day, 20 C]	7-day average	≤ 4.8 lb/d	all year

How strict are these limits?

Solids, total suspended, 7-day average 45 mg/L — stricter than 72% of 697 other minor POTWs in Iowa; 27% have the same limit
Solids, total suspended, 30-day average 30 mg/L — stricter than 72% of 698 other minor POTWs in Iowa; 28% have the same limit
pH, daily minimum at least 6.5 SU — stricter than 56% of 699 other minor POTWs in Iowa; 44% have the same limit

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/IA0042927 · MCP: https://passage-data.com/mcp