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The Scotts Company

Agricultural Chemicals, Fort Madison, Iowa. NPDES permit IA0001171, in force until Feb 28, 2031. Last 12 months: over a limit once (last December 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due: About 15 days after each period: form A monthly (10 values)
Last report on file: September 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 1 of 12 reports late

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

Period ending	Parameter	Reported	Limit
December 2025	pH, daily minimum	5.42	≥ 6 SU

Limits in force (10)

Parameter	Statistic	Limit	Months
pH	daily minimum	≥ 6 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	≤ 44.04 lb/d	all year
Solids, total suspended	daily maximum	≤ 66.05 lb/d	all year
Oil & Grease	30-day average	≤ 10 mg/L	all year
Oil & Grease	daily maximum	≤ 15 mg/L	all year
Oil & Grease	30-day average	≤ 14.68 lb/d	all year
Oil & Grease	daily maximum	≤ 22.02 lb/d	all year

How strict are these limits?

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
Oil & Grease, daily maximum 15 mg/L — stricter than 17% of 41 other minor industrial and other permits in Iowa; 76% have the same limit
Oil & Grease, 30-day average 10 mg/L — stricter than 15% of 40 other minor industrial and other permits in Iowa; 78% have the same limit

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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Your permit document is the final word. As JSON: /api/v1/permits/IA0001171 · MCP: https://passage-data.com/mcp