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Clean Water Act discharge permit · NPDES ILR10ZGVZ

ROOKS CREEK SOLAR, LLC, Pontiac, IL: NPDES ILR10ZGVZ discharge permit, effluent exceedances, inspections, penalties

ROOKS CREEK SOLAR, LLC, held by Knobelsdorff Energy, LLC, holds NPDES permit ILR10ZGVZ. EPA’s file records it issued April 29, 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 ROOKS CREEK SOLAR, LLC: its NPDES ID, its permit type and status, its dates, its address in Pontiac, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZGVZ.

Identity

Facility as filedROOKS CREEK SOLAR, LLC
Permittee as filedKnobelsdorff Energy, LLC
NPDES IDILR10ZGVZ
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedApril 29, 2026
Expiration dateAugust 31, 2028
Issuing agencyIEPA
AddressPontiac, IL 61764
SubwatershedSmiths Branch-Vermilion River (HUC 071300020305)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES ILR10ZGVZ.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES ILR10ZGVZ.

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, ILR10ZGVZ.

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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 ILR10ZGVZ there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

Of the 10 storm water construction permits in Pontiac, 0.0% have a violation on file. ROOKS CREEK SOLAR, LLC is among 7 NPDES permits in the Smiths Branch-Vermilion River subwatershed (HUC 071300020305), and 90.0% of Pontiac's 10 storm water construction permits were issued before it.