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Of the 14 permits in EPA's SIC 4911 in IA, 6 went over a limit between 2025-10-01 and 2026-09-30 (Copper, total [as Cu]: 2; pH: 2; Chromium, total [as Cr]: 1). 3 are past the expiry date EPA's file holds; 4 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.
| Facility | Last 12 months | Permit |
|---|---|---|
| CEDAR FALLS MUNICIPAL ELECTRIC UTILITY IA0002534 · Electric Services | Over a limit 2×: Copper, total [as Cu] (2×) | Renewal application due Dec 2, 2026 |
| UNION ELECTRIC COMPANY dba AMEREN MISSOURI IA0033600 · Electric Services | Over a limit 2×: Solids, total suspended (1×), Oil & Grease (1×) | Renewal application due Feb 1, 2027 |
| CORN BELT POWER COOPERATIVE IA0004570 · Electric Services | Over a limit 1×: Copper, total [as Cu] (1×) | Expires Aug 31, 2029 |
| INTERSTATE POWER AND LIGHT COMPANY IA0060909 · major · Electric Services | Over a limit 1×: pH (1×) | Expires May 31, 2029 |
| MIDAMERICAN ENERGY COMPANY IA0061859 · major · Electric Services | Over a limit 1×: pH (1×) | Expires Jan 31, 2029 |
| MIDAMERICAN ENERGY COMPANY IA0077941 · major · Electric Services | Over a limit 1×: Chromium, total [as Cr] (1×) | Renewal application due Jan 2, 2028 |
| ARCHER DANIELS MIDLAND IA0080543 · Electric Services | No value over a limit | Expires Sep 30, 2031 |
| INTERSTATE POWER & LIGHT COMPANY IA0053720 · Electric Services | No value over a limit | Expires Mar 31, 2031 |
| INTERSTATE POWER AND LIGHT COMPANY IA0001783 · major · Electric Services | No value over a limit; 10 required values not reported | Expires Dec 31, 2030 |
| MIDAMERICAN ENERGY COMPANY IA0004103 · major · Electric Services | No value over a limit | Expires Mar 31, 2029 |
| MIDAMERICAN ENERGY COMPANY IA0004308 · major · Electric Services | No value over a limit | Permit past the expiry date EPA's file holds |
| MIDAMERICAN ENERGY COMPANY IA0063282 · major · Electric Services | No value over a limit | Permit past the expiry date EPA's file holds |
| NEXTERA ENERGY RESOURCES IA0003727 · major · Electric Services | No value over a limit | Renewal application overdue |
| UNIVERSITY OF NORTHERN IOWA IA0063941 · Electric Services | No value over a limit | Permit past the expiry date EPA's file holds |
The record is EPA's ICIS-NPDES file of 2026-10-15: values filed against each limit between Oct 1, 2025 and Sep 30, 2026. No reports on file may be EPA's gap, not the facility's.
For programs and AI agents: this screen as JSON at /api/v1/permits?state=IA&sic=4911, narrowed with &over_limit=true, ¶meter=phosphorus or &renewal=due; or add https://passage-data.com/mcp as a remote MCP server (tool list_permits). Free, no key. llms.txt
From EPA's ECHO data, not the permit document itself: your permit is the final word. All states