Clean Water Act discharge permit · NPDES IL0022080

LCDPW-DIAMOND-SYLVAN LAKE WRF, Mundelein, IL: NPDES IL0022080 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
6Pollutants with an effluent exceedance

LCDPW-DIAMOND-SYLVAN LAKE WRF holds NPDES permit IL0022080, which discharges to Indian Creek Trib To Des Plaines Rv. EPA’s file records it issued June 4, 2004 and expiring June 30, 2009. 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	LCDPW-DIAMOND-SYLVAN LAKE WRF
Permittee as filed	LCDPW-DIAMOND-SYLVAN LAKE WRF
NPDES ID	IL0022080
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	June 4, 2004
Expiration date	June 30, 2009
Address	Mundelein, IL 60060
Receiving water	INDIAN CREEK TRIB TO DES PLAINES RV
Subwatershed	Indian Creek (HUC 071200040501)

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

Effluent limits and exceedances

9Pollutants on file
9Under a numeric limit
9With a violation of any kind
6With 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
BOD, carbonaceous [5 day, 20 C]	8	23	7	April 30, 2012	331% over the limit
Solids, total suspended	9	29	6	February 28, 2005	215% over the limit
Nitrogen, ammonia total [as N]	52	28	6	October 31, 2007	93% over the limit
Coliform, fecal general	1	10	6	May 31, 2005	99,999% over the limit
Oxygen, dissolved [DO]	1	12	3	April 30, 2013	47% over the limit
Chlorine, total residual	2	10	3	August 31, 2004	4,300% over the limit
Flow, in conduit or thru treatment plant	4	12	0
pH	2	9	0
BOD, 5-day, 20 deg. C	1	7	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 IL0022080.

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 IL0022080 there.

Nearby on the register

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

This public-records page covers NPDES permit IL0022080 for LCDPW-DIAMOND-SYLVAN LAKE WRF in Mundelein, IL, which discharges to Indian Creek Trib To Des Plaines Rv in the Indian Creek subwatershed (HUC 071200040501). The page lists a permit status of Administratively continued, a Minor Discharger class, 6 pollutants under a numeric limit, and 6 pollutants with an effluent exceedance.