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The Andersons Renewables, LLC

Industrial Organic Chemicals, Denison, Iowa. NPDES permit IA0079456, in force until Sep 30, 2027. Last 12 months: over a limit 2 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due: About 15 days after each period: form A monthly (14 values)
Renewal application due: Apr 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file: September 2026
Oct 2024 – Sep 2025: 3 values over a limit, 0 required values missing, 3 of 12 reports late

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

Period ending	Parameter	Reported	Limit	Over by
May 2026	Chlorine, total residual, daily maximum	.457032	≤ .451 lb/d	1%
June 2026	Chlorine, total residual, daily maximum	.574459	≤ .451 lb/d	27%

Limits in force (14)

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	daily maximum	≤ 45 mg/L	all year
Solids, total suspended	30-day average	≤ 31 lb/d	all year
Solids, total suspended	daily maximum	≤ 47 lb/d	all year
Iron, total [as Fe]	30-day average	≤ 1.2 mg/L	all year
Iron, total [as Fe]	daily maximum	≤ 1.2 mg/L	all year
Iron, total [as Fe]	30-day average	≤ 3.016 lb/d	all year
Iron, total [as Fe]	daily maximum	≤ 3.016 lb/d	all year
Chlorine, total residual	30-day average	≤ .323 mg/L	all year
Chlorine, total residual	daily maximum	≤ .323 mg/L	all year
Chlorine, total residual	30-day average	≤ .451 lb/d	all year
Chlorine, total residual	daily maximum	≤ .451 lb/d	all year

How strict are these limits?

pH, daily minimum at least 6.5 SU — stricter than 60% of 423 other minor industrial and other permits in Iowa; 39% have the same limit
Solids, total suspended, 30-day average 30 mg/L — stricter than 40% of 289 other minor industrial and other permits in Iowa; 56% have the same limit
Iron, total [as Fe], daily maximum 1.2 mg/L — stricter than 22% of 62 other minor industrial and other permits in Iowa

Cited limits by parameter: Iowa's rules and the federal ones.

Same industry: the 57 Chemicals and Allied Products permits in Iowa.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IA0079456 · MCP: https://passage-data.com/mcp