Clean Water Act discharge permit · NPDES ILG870011
CONSTELLATION ENERGY, Byron, IL: NPDES ILG870011 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
CONSTELLATION ENERGY holds NPDES permit ILG870011. EPA’s file records it issued November 1, 2016 and expiring October 31, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
What the register holds for CONSTELLATION ENERGY: its NPDES ID, its permit type and status, its dates, its address in Byron, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILG870011.
Identity
| Facility as filed | CONSTELLATION ENERGY |
|---|---|
| Permittee as filed | CONSTELLATION ENERGY |
| NPDES ID | ILG870011 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 1, 2016 |
| Expiration date | October 31, 2021 |
| Address | Byron, IL 61010 |
| Subwatershed | Silver Creek-Rock River (HUC 070900050408) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES ILG870011.
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 ILG870011.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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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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 ILG870011 there.
Nearby on the register
- Discharge permits in Byron
- Every permit record in Byron, A to Z
- Discharge permits in Illinois
- Every permit record in Illinois, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.