Clean Water Act discharge permit · NPDES ILR10ZEXU

BUFFALO SOLAR PV PROJECT, Morris, IL: NPDES ILR10ZEXU discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

BUFFALO SOLAR PV PROJECT, held by McCarthy Building Companies, Inc., holds NPDES permit ILR10ZEXU. EPA’s file records it issued November 22, 2024 and expiring August 31, 2028. 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.

What the register holds for BUFFALO SOLAR PV PROJECT: its NPDES ID, its permit type and status, its dates, its address in Morris, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZEXU.

Identity

Facility as filed	BUFFALO SOLAR PV PROJECT
Permittee as filed	McCarthy Building Companies, Inc.
NPDES ID	ILR10ZEXU
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	November 22, 2024
Expiration date	August 31, 2028
Issuing agency	IEPA
Address	Morris, IL 60450
Subwatershed	Bills Run-Illinois River (HUC 071200050705)

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 ILR10ZEXU.

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 ILR10ZEXU.

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.

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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 ILR10ZEXU there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers NPDES permit ILR10ZEXU for BUFFALO SOLAR PV PROJECT in Morris, IL, held by McCarthy Building Companies, Inc., under a construction stormwater program with an effective status. The page lists an issue date of November 22, 2024, an expiration date of August 31, 2028, and 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.