Clean Water Act discharge permit · NPDES ILL020109

WAUCONDA WWTF, Wauconda, IL: NPDES ILL020109 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
1Pollutants with an effluent exceedance

WAUCONDA WWTF, held by Wauconda STP, holds NPDES permit ILL020109. EPA’s file records it issued January 1, 2021 and expiring December 31, 2025. 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	WAUCONDA WWTF
Permittee as filed	Wauconda STP
NPDES ID	ILL020109
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Associated permit record
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Biosolids
Issued	January 1, 2021
Expiration date	December 31, 2025
Address	Wauconda, IL 60084
Subwatershed	Cotton Creek (HUC 071200061103)
Other EPA IDs (FRS)	RCRA handler ILR000060012

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

13Pollutants on file
0Under a numeric limit
13With a violation of any kind
1With 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	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Copper, dry weight	5	2	October 31, 2011	3% over the limit
Arsenic, dry weight	3	0
Selenium, dry weight	3	0
Cadmium, dry weight	3	0
Zinc, sludge, total, dry weight [as Zn]	3	0
Lead, sludge, total, dry weight [as Pb]	3	0
Nickel, sludge, total, dry weight [as Ni]	3	0
Mercury, sludge, total, dry weight [as Hg]	3	0
Molybdenum, sludge, total, dry weight [as Mo]	2	0
Pollutant table from 503.13	1	0
Level of pathogen requirements achieved	1	0
Description of pathogen option used	1	0
Vector attraction reduction alternative used	1	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 ILL020109.

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 ILL020109 there.

Nearby on the register

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

This public-records page covers NPDES discharge permit ILL020109 for the WAUCONDA WWTF in Wauconda, IL, held by Wauconda STP, with a Biosolids program, a status of administratively continued, and an expiration date of December 31, 2025. The register lists 13 pollutants on file, 0 under a numeric limit, 13 with a violation of any kind, and 1 with an effluent exceedance.