Clean Water Act discharge permit · NPDES IL0080039

HILLSBORO ENERGY LLC, Hillsboro, IL: NPDES IL0080039 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
12Pollutants under a numeric limit
5Pollutants with an effluent exceedance

HILLSBORO ENERGY LLC holds NPDES permit IL0080039, which discharges to Unnamed Trib To Shoal Creek Watershed Structure 5. EPA’s file records it issued February 3, 2015 and expiring January 31, 2020. 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	HILLSBORO ENERGY LLC
Permittee as filed	HILLSBORO ENERGY LLC
NPDES ID	IL0080039
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	February 3, 2015
Expiration date	January 31, 2020
Address	Hillsboro, IL 62049
Receiving water	UNNAMED TRIB TO SHOAL CREEK WATERSHED STRUCTURE 5
Subwatershed	Cress Creek-Middle Fork Shoal Creek (HUC 071402030204)

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

Effluent limits and exceedances

12Pollutants on file
12Under a numeric limit
7With 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
Iron, total [as Fe]	16	5	3	February 28, 2021	290% over the limit
Sulfate, total [as SO4]	16	3	3	March 31, 2024	48% over the limit
Solids, settleable	4	2	2	June 30, 2015	19,900% over the limit
Solids, total suspended	16	2	1	February 28, 2021	26% over the limit
pH	32	1	1	March 31, 2021
Manganese, total [as Mn]	16	2	0
Mercury, total [as Hg]	8	2	0
Flow, in conduit or thru treatment plant	32	0	0
Hardness, total [as CaCO3]	16	0	0
Chloride [as Cl]	16	0	0
Alkalinity, total [as CaCO3]	8	0	0
Acidity, total [as CaCO3]	8	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 IL0080039.

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 IL0080039 there.

Nearby on the register

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

This public-records page covers Clean Water Act NPDES permit IL0080039 held by HILLSBORO ENERGY LLC of Hillsboro, IL, discharging to UNNAMED TRIB TO SHOAL CREEK WATERSHED STRUCTURE 5, with its status as of September 15, 2026. The permit is listed as administratively continued, a Minor discharger class, with 12 pollutants on file, 5 under a numeric limit, and 5 pollutants with an effluent exceedance.