Clean Water Act discharge permit · NPDES IL0029025
ILLINOIS AMERICAN WATER - GRAFTON STP, Grafton, IL: NPDES IL0029025 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
ILLINOIS AMERICAN WATER - GRAFTON STP, held by ILLINOIS AMERICAN WATER, holds NPDES permit IL0029025, which discharges to Mississippi River. EPA’s file records it issued September 12, 2012 and expiring September 30, 2017. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | ILLINOIS AMERICAN WATER - GRAFTON STP |
|---|---|
| Permittee as filed | ILLINOIS AMERICAN WATER |
| NPDES ID | IL0029025 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 12, 2012 |
| Expiration date | September 30, 2017 |
| Address | Grafton, IL 62037 |
| Receiving water | MISSISSIPPI RIVER |
| Subwatershed | Marais Temps Clair-Mississippi River (HUC 071100090401) |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 8Pollutants on file
- 7Under a numeric limit
- 8With a violation of any kind
- 6With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Coliform, fecal general | 1 | 40 | 29 | June 30, 2019 | 99,999% over the limit |
| Solids, total suspended | 5 | 111 | 17 | September 30, 2020 | 268% over the limit |
| Coliform, fecal - % samples exceeding limit | 0 | 11 | 11 | August 31, 2023 | 770% over the limit |
| Chlorine, total residual | 2 | 31 | 9 | August 31, 2008 | 26,567% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 80 | 7 | March 31, 2014 | 35% over the limit |
| pH | 2 | 39 | 2 | August 31, 2019 | |
| Flow, in conduit or thru treatment plant | 4 | 77 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 19 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES IL0029025.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, IL0029025.
Start the watch
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- One watershed — $2,990/year
- One state — $4,990/year
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How we handle your data → Privacy
EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID IL0029025 there.
Nearby on the register
- Discharge permits in Grafton
- Every permit record in Grafton, A to Z
- Discharge permits in Illinois
- Every permit record in Illinois, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.