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Cargill Incorporated

Wet Corn Milling, Cedar Rapids, Iowa. NPDES permit IA0000647, in force until Jul 31, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 15 days after each period: outfall 001 form A monthly (2 values), outfall 002 form A monthly (2 values), outfall SUM form A monthly (4 values)
Last report on file: August 2026
Oct 2024 – Sep 2025: 76 values over a limit, 0 required values missing, 3 of 36 reports late

Limits in force (8)

Parameter	Statistic	Limit	Months	Outfall
pH	daily minimum	≥ 6.5 SU	all year	001
pH	daily maximum	≤ 9 SU	all year	001
pH	daily minimum	≥ 6.5 SU	all year	002
pH	daily maximum	≤ 9 SU	all year	002
BOD, 5-day, 20 deg. C	30-day average	≤ 1800 lb/d	all year	SUM
BOD, 5-day, 20 deg. C	daily maximum	≤ 5400 lb/d	all year	SUM
Solids, total suspended	30-day average	≤ 2700 lb/d	all year	SUM
Solids, total suspended	daily maximum	≤ 8100 lb/d	all year	SUM

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

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

Same industry: the 48 Food and Kindred 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/IA0000647 · MCP: https://passage-data.com/mcp