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Of the 30 permits in EPA's SIC 4941 in IL, 12 went over a limit between 2025-10-01 and 2026-09-30 (Chlorine, total residual: 6; Solids, total suspended: 5; Iron, total [as Fe]: 3). 2 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.
All Illinois permitsAll states
| Facility | Last 12 months | Permit |
|---|---|---|
| ILLINOIS DEPARTMENT OF TRANSPORTATION IL0070955 · Water Supply | Over a limit 19×: Iron, total [as Fe] (9×), Solids, total suspended (9×), Chlorine, total residual (1×) | Expires Jun 30, 2030 |
| HOPEWELL, VILLAGE OF IL0068047 · Water Supply | Over a limit 13×: Iron, total [as Fe] (7×), Solids, total suspended (5×), pH (1×) | Expires Jun 30, 2030 |
| FOUNTAIN VALLEY MOBILE HOMES PARK IL0080135 · Water Supply | Over a limit 6×: Chlorine, total residual (6×) | Expires Jun 30, 2029 |
| DAWSON, VILLAGE OF IL0053431 · Water Supply | Over a limit 5×: pH (3×), Chlorine, total residual (1×), Chloride [as Cl] (1×) | Permit past the expiry date EPA's file holds |
| ST ANNE, VILLAGE OF IL0080252 · Water Supply | Over a limit 5×: Chlorine, total residual (5×) | Expires Mar 31, 2029 |
| ILLINOIS DEPT OF TRANSPORTATION IL0071765 · Water Supply | Over a limit 4×: Iron, total [as Fe] (2×), Solids, total suspended (2×) | Expires Jun 30, 2030 |
| SOUTH SANGAMON WATER COMMISSION IL0079251 · Water Supply | Over a limit 4×: Chloride (3×), Manganese, total [as Mn] (1×) | Renewal application due Nov 1, 2026 |
| ILLINOIS AMERICAN WATER COMPANY IL0053899 · Water Supply | Over a limit 3×: Oxygen, dissolved [DO] (2×), Solids, total suspended (1×) | Renewal application due Mar 4, 2027 |
| PETERSBURG, CITY OF IL0077691 · Water Supply | Over a limit 3×: Chlorine, total residual (3×) | Expires Mar 31, 2031 |
| SOUTHWATER INC IL0072788 · Water Supply | Over a limit 3×: BOD, 5-day, 20 deg. C (2×), Chlorine, total residual (1×) | Expires Apr 30, 2030 |
| ARCHER DANIELS MIDLAND COMPANY IL0060755 · Water Supply | Over a limit 1×: pH (1×) | Expires Jul 31, 2029 |
| UNITED REGIONAL WATER COOPERATIVE IL0080162 · Water Supply | Over a limit 1×: Solids, total suspended (1×) | Expires Apr 30, 2031 |
| AURORA, CITY OF IL0067555 · Water Supply | No value over a limit | Expires Jul 31, 2029 |
| CHICAGO, CITY OF IL0001996 · Water Supply | No value over a limit | Expires Dec 31, 2029 |
| CRESCENT CITY, VILLAGE OF IL0080105 · Water Supply | No value over a limit | Renewal application due Feb 1, 2027 |
| DECATUR, CITY OF IL0034983 · Water Supply | No value over a limit | Expires Sep 30, 2029 |
| DECATUR, CITY OF IL0069736 · Water Supply | No value over a limit | Expires Dec 31, 2030 |
| DELBERT D MUNDT WATER TREATMENT PLANT IL0080054 · Water Supply | No value over a limit | Expires Feb 28, 2030 |
| EAST MOLINE, CITY OF IL0037745 · Water Supply | No value over a limit | Expires Jun 30, 2029 |
| FAIRFIELD, CITY OF IL0079375 · Water Supply | No value over a limit | Expires Aug 31, 2029 |
| GRAND RIDGE, VILLAGE OF IL0079235 · Water Supply | No value over a limit | Renewal application overdue |
| ILLINOIS AMERICAN WATER IL0000281 · Water Supply | No value over a limit | Expires Sep 30, 2029 |
| ILLINOIS-AMERICAN WATER COMPANY IL0000299 · Water Supply | No value over a limit | Expires Sep 30, 2031 |
| LAKE FOREST, CITY OF IL0080260 · Water Supply | No value over a limit | Expires Jul 31, 2029 |
| OTTAWA, CITY OF IL0074098 · Water Supply | No value over a limit; 4 required values not reported | Expires Aug 31, 2030 |
| OTTAWA, CITY OF IL0074101 · Water Supply | No value over a limit | Expires Jul 31, 2030 |
| PRAIRIE PATH WATER COMPANY IL0050903 · Water Supply | No value over a limit | Expires Aug 31, 2029 |
| ROCK ISLAND, CITY OF IL0003832 · Water Supply | No value over a limit | Expires Jul 31, 2029 |
| ST ELMO, CITY OF IL0030872 · Water Supply | No value over a limit | Expires Mar 31, 2030 |
| UTILITIES SERVICES OF ILLINOIS INC ILG640285 · Water Supply | 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=IL&sic=4941, 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