Clean Water Act discharge permit · NPDES IL0002623

CARUS CORPORATION, La Salle, IL: NPDES IL0002623 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
8Pollutants under a numeric limit
5Pollutants with an effluent exceedance

CARUS CORPORATION holds NPDES permit IL0002623, which discharges to Little Vermilion River. EPA’s file records it issued March 26, 2019 and expiring March 31, 2024. 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.

Identity

Facility as filed	CARUS CORPORATION
Permittee as filed	CARUS CORPORATION
NPDES ID	IL0002623
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	March 26, 2019
Expiration date	March 31, 2024
Address	La Salle, IL 61301
Receiving water	LITTLE VERMILION RIVER
Receiving water impaired	303(D) Listed
Subwatershed	Little Vermilion River (HUC 071300010304)
SIC	2819 – Industrial Inorganic Chemicals
Other EPA IDs (FRS)	RCRA handler ILD005477666; ICIS-AIR source IL000099030AAB

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

9Pollutants on file
8Under a numeric limit
5With 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
Nitrogen, ammonia total [as N]	12	19	7	July 31, 2016	135% over the limit
Solids, total suspended	3	10	6	December 31, 2024	29% over the limit
Chlorine, total residual	1	6	6	February 28, 2014	160% over the limit
Manganese, total [as Mn]	0	5	5	March 31, 2004	155% over the limit
Temperature, water deg. fahrenheit	2	4	4	March 31, 2022	6% over the limit
pH	2	0	0
Chloride [as Cl]	2	0	0
Zinc, total [as Zn]	2	0	0
Flow, in conduit or thru treatment plant	2	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 IL0002623.

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 IL0002623 there.

Nearby on the register

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

This page covers Clean Water Act discharge permit NPDES IL0002623 for CARUS CORPORATION in La Salle, IL, which discharges to the Little Vermilion River within the Little Vermilion River subwatershed (HUC 071300010304). The permit is administratively continued and carries a Minor Discharger class, with 8 pollutants under a numeric limit and 5 pollutants with an effluent exceedance.