Clean Water Act discharge permit · NPDES ILL028380

DOWNERS GROVE SD WTC, Downers Grove, IL: NPDES ILL028380 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

DOWNERS GROVE SD WTC, held by DOWNERS GROVE SANITARY DISTRICT, holds NPDES permit ILL028380. EPA’s file records it issued January 1, 2021 and expiring December 31, 2025.

DOWNERS GROVE SD WTC, Downers Grove, Illinois: Associated permit record ILL028380, held by DOWNERS GROVE SANITARY DISTRICT; Biosolids; Administratively continued (past its expiration date and still in force until reissued); issued January 1, 2021, term to December 31, 2025.

Arsenic, dry weight: 0 limits, 18 violations of any kind, 0 effluent exceedances.
Selenium, dry weight: 0 limits, 18 violations of any kind, 0 effluent exceedances.
Copper, dry weight: 0 limits, 18 violations of any kind, 0 effluent exceedances.
Cadmium, dry weight: 0 limits, 18 violations of any kind, 0 effluent exceedances.
Zinc, sludge, total, dry weight [as Zn]: 0 limits, 18 violations of any kind, 0 effluent exceedances.
Lead, sludge, total, dry weight [as Pb]: 0 limits, 18 violations of any kind, 0 effluent exceedances.
Nickel, sludge, total, dry weight [as Ni]: 0 limits, 18 violations of any kind, 0 effluent exceedances.
Mercury, sludge, total, dry weight [as Hg]: 0 limits, 18 violations of any kind, 0 effluent exceedances.
Molybdenum, sludge, total, dry weight [as Mo]: 0 limits, 12 violations of any kind, 0 effluent exceedances.
Pollutant table from 503.13: 0 limits, 6 violations of any kind, 0 effluent exceedances.
Level of pathogen requirements achieved: 0 limits, 6 violations of any kind, 0 effluent exceedances.
Description of pathogen option used: 0 limits, 6 violations of any kind, 0 effluent exceedances.
Vector attraction reduction alternative used: 0 limits, 6 violations of any kind, 0 effluent exceedances.
Ann. amt sludge disposed by other method: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Annual amt of sludge incinerated: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Annual sludge production, total: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Annual amount of sludge land applied: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Annual amt. sludge disposed surface unit: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Annual amt sludge disposed in landfill: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Annual amt sludge transported interstate: 0 limits, 1 violation of any kind, 0 effluent exceedances.

Illinois holds 270 Biosolids coverages of this permit type in EPA’s file; 0 were issued before ILL028380. DOWNERS GROVE SANITARY DISTRICT holds 2 permits in Illinois.

Other permits held by DOWNERS GROVE SANITARY DISTRICT

DOWNERS GROVE S.D. - WASTEWATER TREATMENT CENTER, Downers Grove: IL0028380, issued July 31, 2015

Coverages issued nearest ILL028380

January 1, 2021: MWRDGC NORTHSIDE WRP, Chicago, ILL028088, held by METRO WATER RECLAMATION DISTRICT OF GREATER CHICAGO
January 1, 2021: COLLINSVILLE STP, CITY OF, Collinsville, ILL028215, held by COLLINSVILLE STP
January 1, 2021: CRYSTAL LAKE STP #2, CITY OF, Crystal Lake, ILL028282, held by CRYSTAL LAKE, VILLAGE OF
January 1, 2021: DECATUR SD MAIN STP, Decatur, ILL028321
January 1, 2021: DEERFIELD WRF, VILLAGE OF, Deerfield, ILL028347, held by DEERFIELD, VILLAGE OF
January 1, 2021: DUPAGE COUNTY-NORDIC PARK STP, Itasca, ILL028398, held by DUPAGE COUNTY DEPARTMENT OF PUBLIC WORKS
January 1, 2021: DCDPW-CASCADE WWTP, Wayne, ILL028428, held by DUPAGE COUNT DEPARTMENT OF PUBLIC WORKS
January 1, 2021: DUQUOIN STP, CITY OF, Du Quoin, ILL028517, held by DUQUOIN, CITY OF
January 1, 2021: EAST DUNDEE WWTP, VILLAGE OF, East Dundee, ILL028541, held by EAST DUNDEE, VILLAGE OF
January 1, 2021: EAST MOLINE, CITY OF, East Moline, ILL028550

DOWNERS GROVE SD WTC among its neighbors

EPA’s permit file holds 57 discharge permits in the East Branch Du Page River subwatershed (HUC 071200040804), ILL028380 among them. Its county holds 204, 23 of them major permits; ILL028380 is a minor permit.

Other permits in the East Branch Du Page River subwatershed (HUC 071200040804)

1960 LUCENT LANE, Naperville: ILR10ZD27, minor permit, permit term to August 31, 2028
4980: I-355 FIBER OPTIC SYSTEM IMPROVEMENTS, Lemont: ILR10ZFJF, minor permit, permit term to August 31, 2028
5200 KATRINE AVE, Downers Grove: ILR10ZFUY, minor permit, permit term to August 31, 2028
61ST STREET & CUMNOR ROAD BASIN IMPROVEMENTS, Westmont: ILR10ZBWU, minor permit, permit term to August 31, 2028
750 CURTISS, Downers Grove: ILR10ZFRW, minor permit, permit term to August 31, 2028
ANDY'S FROZEN CUSTARD, Downers Grove: ILR10ZF3P, minor permit, permit term to August 31, 2028
ARBOR STATION, Lisle: ILR10ZGGQ, minor permit, permit term to August 31, 2028
BENET ACADEMY PHASE 1 STADIUM IMPROVEMENTS, Lisle: ILR10ZGYC, minor permit, permit term to August 31, 2028
BLACKHAWK MOLDING COMPANY INC, Addison: IL0065021, minor permit, discharging to SALT CREEK, permit term to October 31, 2011
BOLINGBROOK STP #1, Bolingbrook: IL0032689, major permit, discharging to EAST BRANCH OF DUPAGE RIVER, permit term to August 31, 2020

Identity

Facility as filed	DOWNERS GROVE SD WTC
Permittee as filed	DOWNERS GROVE SANITARY DISTRICT
NPDES ID	ILL028380
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	Downers Grove, IL 60515
Receiving water impaired	303(D) Listed
Subwatershed	East Branch Du Page River (HUC 071200040804)
Other EPA IDs (FRS)	RCRA handler ILD000672071

Effluent limits and exceedances

20Pollutants on file
0Under a numeric limit
20With a violation of any kind
0With 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
Arsenic, dry weight	0	18	0
Selenium, dry weight	0	18	0
Copper, dry weight	0	18	0
Cadmium, dry weight	0	18	0
Zinc, sludge, total, dry weight [as Zn]	0	18	0
Lead, sludge, total, dry weight [as Pb]	0	18	0
Nickel, sludge, total, dry weight [as Ni]	0	18	0
Mercury, sludge, total, dry weight [as Hg]	0	18	0
Molybdenum, sludge, total, dry weight [as Mo]	0	12	0
Pollutant table from 503.13	0	6	0
Level of pathogen requirements achieved	0	6	0
Description of pathogen option used	0	6	0
Vector attraction reduction alternative used	0	6	0
Ann. amt sludge disposed by other method	0	1	0
Annual amt of sludge incinerated	0	1	0
Annual sludge production, total	0	1	0
Annual amount of sludge land applied	0	1	0
Annual amt. sludge disposed surface unit	0	1	0
Annual amt sludge disposed in landfill	0	1	0
Annual amt sludge transported interstate	0	1	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES ILL028380.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES ILL028380.

Inspections

EPA’s inspection file holds no inspection for NPDES ILL028380.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES ILL028380.

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Nearby on the register

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

Of the 27 biosolids permits in DuPage County, 3.7% were issued earlier than DOWNERS GROVE SD WTC. 51.9% of those 27 DuPage County biosolids permits have a violation on file. The East Branch Du Page River subwatershed lists 57 NPDES permits, among them DOWNERS GROVE SD WTC.