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Of the 52 permits in EPA's SIC 82 in IL, 27 went over a limit between 2025-10-01 and 2026-09-30 (Nitrogen, ammonia total [as N]: 17; BOD, carbonaceous [5 day, 20 C]: 12; Solids, total suspended: 12). 3 are past the expiry date EPA's file holds; 23 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 |
|---|---|---|
| CENTRAL HIGH SCHOOL AND NASH MIDDLE SCHOOL IL0037206 · Elementary And Secondary Schools | Over a limit 39×: Nitrogen, ammonia total [as N] (31×), BOD, carbonaceous [5 day, 20 C] (4×), Solids, total suspended (4×) | Renewal application due Oct 3, 2027 |
| SOUTHWESTERN SENIOR HIGH SCHOOL IL0045641 · Elementary And Secondary Schools | Over a limit 23×: Nitrogen, ammonia total [as N] (12×), Oxygen, dissolved [DO] (9×), BOD, carbonaceous [5 day, 20 C] (1×) | Renewal application due Jan 1, 2027 |
| UNITED SCHOOL DISTRICT #304, SOUTH CAMPUS IL0053651 · Elementary And Secondary Schools | Over a limit 20×: Nitrogen, ammonia total [as N] (9×), Solids, total suspended (5×), BOD, carbonaceous [5 day, 20 C] (4×) | Expires Oct 31, 2029 |
| COMMUNITY UNIT SCHOOL DISTRICT #27 IL0024481 · Elementary And Secondary Schools | Over a limit 16×: Oxygen, dissolved [DO] (13×), BOD, carbonaceous [5 day, 20 C] (3×) | Expires Apr 30, 2029 |
| NEW SIMPSON HILL SCHOOL DISTRICT #32 IL0074781 · Elementary And Secondary Schools | Over a limit 12×: Solids, total suspended (5×), BOD, carbonaceous [5 day, 20 C] (3×), Oxygen, dissolved [DO] (2×) | Renewal application due Oct 3, 2027 |
| RIVERDALE COMMUNITY SCHOOL DISTRICT #100 IL0052591 · Elementary And Secondary Schools | Over a limit 8×: Oxygen, dissolved [DO] (8×) | Renewal application due Oct 3, 2027 |
| UNIVERSITY OF ILLINOIS IL0053325 · Colleges And Universities | Over a limit 7×: Nitrogen, ammonia total [as N] (5×), Solids, total suspended (2×) | Expires May 31, 2031 |
| WOODLAND SCHOOL CUSD #5 IL0048828 · Elementary And Secondary Schools | Over a limit 7×: BOD, carbonaceous [5 day, 20 C] (3×), Solids, total suspended (2×), Nitrogen, ammonia total [as N] (2×) | Expires Jun 30, 2029 |
| LINCOLN GRADE SCHOOL IL0042544 · Elementary And Secondary Schools | Over a limit 5×: Nitrogen, ammonia total [as N] (4×), Coliform, fecal general (1×) | Renewal application due Jul 4, 2027 |
| GREENVIEW COMMUNITY SCHOOL DISTRICT #200 IL0044776 · Elementary And Secondary Schools | Over a limit 4×: Nitrogen, ammonia total [as N] (3×), BOD, carbonaceous [5 day, 20 C] (1×) | Renewal application overdue |
| LIMESTONE WALTERS ELEMENTARY SCHOOL DISTRICT #316 IL0055816 · Elementary And Secondary Schools | Over a limit 4×: Nitrogen, ammonia total [as N] (3×), Solids, total suspended (1×) | Expires Mar 31, 2029 |
| MCELVAIN SCHOOL IL0050083 · Elementary And Secondary Schools | Over a limit 4×: BOD, carbonaceous [5 day, 20 C] (3×), Solids, total suspended (1×) | Renewal application overdue |
| OAKWOOD COMMUNITY UNIT DISTRICT #76 IL0055751 · Elementary And Secondary Schools | Over a limit 4×: Nitrogen, ammonia total [as N] (3×), BOD, carbonaceous [5 day, 20 C] (1×) | Renewal application due Nov 2, 2027 |
| SPOON RIVER VALLEY SCHOOL DISTRICT #4 IL0073172 · Elementary And Secondary Schools | Over a limit 4×: BOD, carbonaceous [5 day, 20 C] (2×), Nitrogen, ammonia total [as N] (2×) | Expires Jul 31, 2030 |
| WEST CENTRAL CUSD 235-BIGGSVILLE IL0068969 · Elementary And Secondary Schools | Over a limit 4×: Nitrogen, ammonia total [as N] (2×), BOD, carbonaceous [5 day, 20 C] (1×), Solids, total suspended (1×) | Renewal application due Jan 1, 2027 |
| NORWOOD SCHOOL DISTRICT #63 IL0053813 · Elementary And Secondary Schools | Over a limit 3×: Nitrogen, ammonia total [as N] (3×) | Renewal application due Dec 3, 2027 |
| RACCOON SCHOOL DISTRICT C-1 IL0052981 · Elementary And Secondary Schools | Over a limit 3×: Nitrogen, ammonia total [as N] (3×) | Permit past the expiry date EPA's file holds |
| SOUTHERN ILLINOIS UNIVERSITY - EDWARDSVILLE IL0046761 · Colleges And Universities | Over a limit 3×: Nitrogen, ammonia total [as N] (3×) | Expires Feb 28, 2029 |
| UNITED INTERMEDIATE SCHOOL IL0060836 · Elementary And Secondary Schools | Over a limit 3×: Solids, total suspended (3×) | Renewal application due May 4, 2027 |
| BLACKHAWK COLLEGE - EAST CAMPUS IL0042587 · Junior Colleges | Over a limit 2×: Solids, total suspended (2×) | Renewal application due Jun 3, 2027 |
| CRAB ORCHARD COMMUNITY UNIT #3 IL0037311 · Elementary And Secondary Schools | Over a limit 2×: Nitrogen, ammonia total [as N] (2×) | Expires Apr 30, 2029 |
| HOLLIS CONSOLIDATED SCHOOL DISTRICT #328 IL0044636 · Elementary And Secondary Schools | Over a limit 2×: Nitrogen, ammonia total [as N] (2×) | Expires Jun 30, 2029 |
| BISMARCK COMMUNITY UNIT SCHOOL DIST 1 IL0067156 · Elementary And Secondary Schools | Over a limit 1×: BOD, carbonaceous [5 day, 20 C] (1×) | Expires Dec 31, 2028 |
| CUMBERLAND COMMUNITY SCHOOL DISTRICT #77 IL0049212 · Elementary And Secondary Schools | Over a limit 1×: Nitrogen, ammonia total [as N] (1×) | Expires May 31, 2031 |
| POPE COUNTY ELEMENTARY SCHOOL IL0048178 · Elementary And Secondary Schools | Over a limit 1×: Coliform, fecal general (1×) | Renewal application due Oct 3, 2027 |
| SHILOH COMMUNITY UNIT SCHOOL DISTRICT NO. 1 IL0042757 · Elementary And Secondary Schools | Over a limit 1×: Solids, total suspended (1×) | Renewal application overdue |
| WAYNE GRADE SCHOOL DISTRICT 46 IL0034843 · Elementary And Secondary Schools | Over a limit 1×: Solids, total suspended (1×) | Expires Dec 31, 2028 |
| CENTRALIA - KASKASKIA COLLEGE IL0029335 · Colleges And Universities | No value over a limit | Renewal application due Jan 2, 2028 |
| DODDS COMMUNITY CONSOLIDATED DISTRICT #7 IL0052639 · Elementary And Secondary Schools | No value over a limit | Expires Mar 31, 2029 |
| FARMINGDALE ELEMENTARY/PLEASANT PLAINS MIDDLE SCHOOL IL0070629 · Elementary And Secondary Schools | No value over a limit; 50 required values not reported | Expires Dec 31, 2028 |
| FIELD COMMUNITY CONSOLIDATED SCHOOL DISTRICT #3 IL0036820 · Elementary And Secondary Schools | No value over a limit | Expires Sep 30, 2029 |
| FREMONT SCHOOL DISTRICT 79 IL0034746 · Elementary And Secondary Schools | No value over a limit | Expires Apr 30, 2029 |
| GIANT CITY SCHOOL DIST 130 IL0025844 · Elementary And Secondary Schools | No value over a limit | Renewal application due Dec 3, 2027 |
| GRAND PRAIRIE CCSD #6 IL0034240 · Elementary And Secondary Schools | No value over a limit | Renewal application due Feb 2, 2028 |
| JOHN A. LOGAN COLLEGE IL0076112 · Junior Colleges | No value over a limit | Renewal application due Mar 4, 2028 |
| MAPLE GROVE ELEMENTARY SCHOOL IL0046965 · Elementary And Secondary Schools | No value over a limit | Expires Jan 31, 2030 |
| NAUVOO-COLUSA ELEMENTARY SCHOOL IL0060453 · Elementary And Secondary Schools | No value over a limit | Renewal application due Jul 4, 2027 |
| NORTH BARRINGTON ELEMENTARY SCHOOL IL0024716 · Elementary And Secondary Schools | No value over a limit | Renewal application due Mar 4, 2028 |
| NORTHERN ILLINOIS UNIVERSITY - LORADO TAFT CAMPUS IL0025836 · Colleges And Universities | No value over a limit | Renewal application due Oct 3, 2027 |
| NORTHWESTERN UNIVERSITY IL0066541 · Colleges And Universities | No value over a limit | Permit past the expiry date EPA's file holds |
| OAKWOOD COMMUNITY UNIT SCHOOL DISTRICT #76 IL0055301 · Elementary And Secondary Schools | No value over a limit | Expires Jan 31, 2029 |
| POPE COUNTY SCHOOL DISTRICT 1 IL0048020 · Elementary And Secondary Schools | No value over a limit; 247 required values not reported | Permit past the expiry date EPA's file holds |
| PRINCIPIA COLLEGE IL0045462 · Colleges And Universities | No value over a limit | Expires Dec 31, 2030 |
| PUTNAM COUNTY COMMUNITY SCHOOL DISTRICT #535 IL0026573 · Elementary And Secondary Schools | No value over a limit | Expires Jan 31, 2031 |
| SAUK VALLEY COMMUNITY COLLEGE IL0047520 · Junior Colleges | No value over a limit | Expires Aug 31, 2029 |
| SHERRARD JR-SR HIGH SCHOOL DIST 200 IL0062952 · Elementary And Secondary Schools | No value over a limit | Renewal application due Jan 2, 2028 |
| SIUC - CENTER FOR ENVIRONMENTAL AND SAFETY IL0047899 · Colleges And Universities | No value over a limit | Expires Jan 31, 2030 |
| SOUTHERN ILLINOIS UNIVERSITY EDWARDSVILLE IL0075311 · Colleges And Universities | No value over a limit | Expires Sep 30, 2029 |
| TRICO COMMUNITY HIGH SCHOOL DISTRICT 176 IL0049905 · Elementary And Secondary Schools | No value over a limit | Expires Nov 30, 2029 |
| UNITY POINT SCHOOL DISTRICT 140 IL0045748 · Elementary And Secondary Schools | No value over a limit | Expires Nov 30, 2029 |
| UNIVERSITY OF ST MARY OF THE LAKE / MUNDELEIN SEMINARY IL0024350 · Elementary And Secondary Schools | No value over a limit | Expires Feb 28, 2029 |
| WEST PRAIRIE CUSD #103 IL0053619 · Elementary And Secondary Schools | No value over a limit | Renewal application due Dec 2, 2026 |
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=82, 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