Clean Water Act discharge permit · NPDES IL0027839

CANTON WEST STP, CITY OF, Canton, IL: NPDES IL0027839 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
13Pollutants under a numeric limit
5Pollutants with an effluent exceedance

CANTON WEST STP, CITY OF, held by CANTON, CITY OF, holds NPDES permit IL0027839, which discharges to Big Creek-Spoon River-Il River. EPA’s file records it issued June 23, 2011 and expiring June 30, 2016. 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	CANTON WEST STP, CITY OF
Permittee as filed	CANTON, CITY OF
NPDES ID	IL0027839
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Major discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	June 23, 2011
Expiration date	June 30, 2016
Address	Canton, IL 61520
Receiving water	BIG CREEK-SPOON RIVER-IL RIVER
Subwatershed	Rice Lake-Illinois River (HUC 071300030603)

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

Effluent limits and exceedances

13Pollutants on file
13Under a numeric limit
8With 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
Coliform, fecal general	4	55	55	May 31, 2017	99,999% over the limit
pH	8	10	10	July 31, 2011
Nitrogen, ammonia total [as N]	96	8	8	March 31, 2002	63% over the limit
Solids, total suspended	11	4	3	September 30, 2002	88% over the limit
Chlorine, total residual	8	4	2	August 31, 2011	180% over the limit
Flow, in conduit or thru treatment plant	6	2	0
BOD, 5-day, 20 deg. C	3	1	0
Flow	3	1	0
Oxygen, dissolved [DO]	10	0	0
BOD, carbonaceous [5 day, 20 C]	8	0	0
Nitrogen, total [as N]	4	0	0
Phosphorus, total [as P]	4	0	0
Flow, total	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 IL0027839.

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 IL0027839 there.

Nearby on the register

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

This public-records page covers the Clean Water Act discharge permit NPDES IL0027839, held by CANTON, CITY OF for the CANTON WEST STP in Canton, IL, which discharges to Big Creek-Spoon River-Il River in the Rice Lake-Illinois River subwatershed (HUC 071300030603). The permit is listed as administratively continued, a major discharger class, with 13 pollutants on file, 5 under a numeric limit, and 5 with an effluent exceedance.