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Viking Pump, Inc. - Idex Corporation

Pumps And Pumping Equipment, Cedar Falls, Iowa. NPDES permit IA0078140 expired Feb 29, 2024; its limits still apply. Last 12 months: over a limit once (last August 2026), 10 required values missing, 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 15 days after each period: form A monthly (2 values)
Last report on file: August 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 2 of 12 reports late

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

Period ending	Parameter	Reported	Limit
August 2026	pH, daily minimum	6.085879	≥ 6.5 SU

Limits in force (2)

Parameter	Statistic	Limit	Months
pH	daily minimum	≥ 6.5 SU	all year
pH	daily maximum	≤ 9 SU	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

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

Same industry: the 10 Industrial and Commercial Machinery and Computer Equipment 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/IA0078140 · MCP: https://passage-data.com/mcp