Clean Water Act discharge permit · NPDES ILR10ZGIN
SWITCHGRASS SOLAR, Williston, IL: NPDES ILR10ZGIN discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SWITCHGRASS SOLAR, held by Hanwha QCells USA Inc., holds NPDES permit ILR10ZGIN. EPA’s file records it issued February 7, 2026 and expiring August 31, 2028. 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.
What the register holds for SWITCHGRASS SOLAR: its NPDES ID, its permit type and status, its dates, its address in Williston, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZGIN.
Identity
| Facility as filed | SWITCHGRASS SOLAR |
|---|---|
| Permittee as filed | Hanwha QCells USA Inc. |
| NPDES ID | ILR10ZGIN |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | February 7, 2026 |
| Expiration date | August 31, 2028 |
| Issuing agency | IEPA |
| Address | Williston, IL 62080 |
| Subwatershed | Ash Creek (HUC 071402020601) |
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 ILR10ZGIN.
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 ILR10ZGIN.
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, ILR10ZGIN.
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- One watershed — $2,990/year
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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 ILR10ZGIN there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.