Clean Water Act discharge permit · NPDES IL0000124
GRAND TOWER ENERGY CENTER LLC, Grand Tower, IL: NPDES IL0000124 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 29Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
GRAND TOWER ENERGY CENTER LLC holds NPDES permit IL0000124, which discharges to Mississippi River. EPA’s file records it issued July 7, 2017 and expiring June 30, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | GRAND TOWER ENERGY CENTER LLC |
|---|---|
| Permittee as filed | GRAND TOWER ENERGY CENTER LLC |
| NPDES ID | IL0000124 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 7, 2017 |
| Expiration date | June 30, 2022 |
| Address | Grand Tower, IL 62942 |
| Receiving water | MISSISSIPPI RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Fountain Bluff-Mississippi River (HUC 071401050309) |
| Other EPA IDs (FRS) | RCRA handler ILR000116095 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 30Pollutants on file
- 29Under a numeric limit
- 9With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 8 | 13 | 9 | March 31, 2020 | 155% over the limit |
| Boron, total [as B] | 2 | 9 | 9 | November 30, 2000 | 444% over the limit |
| Coliform, fecal general | 1 | 6 | 5 | July 31, 2018 | 2,575% over the limit |
| Oil & Grease | 6 | 2 | 2 | February 29, 2024 | 53% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 2 | 2 | March 31, 2001 | 413% over the limit |
| Flow, in conduit or thru treatment plant | 10 | 8 | 0 | ||
| Iron, total [as Fe] | 6 | 5 | 0 | ||
| Chlorine, total residual | 1 | 3 | 0 | ||
| Oil and grease | 0 | 2 | 0 | ||
| pH | 6 | 0 | 0 | ||
| Copper, total [as Cu] | 6 | 0 | 0 | ||
| Sulfate, total [as SO4] | 4 | 0 | 0 | ||
| Cyanide, total [as CN] | 2 | 0 | 0 | ||
| Cyanide, free [amenable to chlorination] | 2 | 0 | 0 | ||
| Chloride [as Cl] | 2 | 0 | 0 | ||
| Fluoride, total [as F] | 2 | 0 | 0 | ||
| Arsenic, total [as As] | 2 | 0 | 0 | ||
| Barium, total [as Ba] | 2 | 0 | 0 | ||
| Cadmium, total [as Cd] | 2 | 0 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 0 | 0 | ||
| Chromium, total [as Cr] | 2 | 0 | 0 | ||
| Iron, dissolved [as Fe] | 2 | 0 | 0 | ||
| Lead, total [as Pb] | 2 | 0 | 0 | ||
| Manganese, total [as Mn] | 2 | 0 | 0 | ||
| Nickel, total [as Ni] | 2 | 0 | 0 | ||
| Silver, total [as Ag] | 2 | 0 | 0 | ||
| Zinc, total [as Zn] | 2 | 0 | 0 | ||
| Selenium, total [as Se] | 2 | 0 | 0 | ||
| Phenolics, total recoverable | 2 | 0 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 0 | 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 IL0000124.
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
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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 IL0000124 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.