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ADM Grain-Elevator Z

Grain And Field Beans, Enid, Oklahoma. NPDES permit OK0043371, in force until Mar 31, 2031. 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 (6 values)
Last report on file: September 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (6)

Parameter	Statistic	Limit	Months
pH	minimum	≥ 6.5 SU	all year
pH	maximum	≤ 9 SU	all year
Carbon tetrachloride	daily maximum	≤ 10 ug/L	all year
Chloroform	daily maximum	≤ 10 ug/L	all year
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year

How strict are these limits?

Chloroform, daily maximum 10 ug/L — stricter than 83% of 73 other minor industrial and other permits nationwide; 4% have the same limit
Carbon tetrachloride, daily maximum 10 ug/L — stricter than 57% of 68 other minor industrial and other permits nationwide

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OK0043371 · MCP: https://passage-data.com/mcp