Clean Water Act discharge permit · NPDES IL0023647

GALVA SOUTHWEST STP, Galva, IL: NPDES IL0023647 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
12Pollutants under a numeric limit
9Pollutants with an effluent exceedance

GALVA SOUTHWEST STP, held by GALVA, CITY OF, holds NPDES permit IL0023647, which discharges to Mud Run Creek. EPA’s file records it issued February 14, 2020 and expiring February 28, 2025. 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	GALVA SOUTHWEST STP
Permittee as filed	GALVA, CITY OF
NPDES ID	IL0023647
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	February 14, 2020
Expiration date	February 28, 2025
Address	Galva, IL 61434
Receiving water	MUD RUN CREEK
Subwatershed	Mud Run-Walnut Creek (HUC 071300050401)
Program components on file	Biosolids, POTW, Pretreatment
SIC	4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

16Pollutants on file
12Under a numeric limit
16With a violation of any kind
9With 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
Nickel, total [as Ni]	4	436	263	June 30, 2026	5,543% over the limit
Copper, total [as Cu]	4	352	119	August 31, 2025	1,606% over the limit
Coliform, fecal general	2	150	74	June 30, 2026	99,999% over the limit
Solids, total suspended	8	489	65	April 30, 2014	200% over the limit
Oxygen, dissolved [DO]	8	169	50	July 31, 2025	78% over the limit
Boron, total [as B]	0	38	26	September 30, 2014	120% over the limit
BOD, carbonaceous [5 day, 20 C]	6	327	17	March 31, 2006	110% over the limit
pH	4	293	9	October 31, 2002
Chlorine, total residual	2	145	1	January 31, 1998	60% over the limit
Flow, in conduit or thru treatment plant	6	338	0
BOD, 5-day, 20 deg. C	2	143	0
Nitrogen, ammonia total [as N]	4	76	0
Flow, total	1	52	0
Cyanide, total [as CN]	0	17	0
Zinc, total [as Zn]	0	5	0
Cyanide, weak acid, dissociable	0	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 IL0023647.

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 IL0023647 there.

Nearby on the register

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

This public-records page covers NPDES discharge permit IL0023647 for the GALVA SOUTHWEST STP in Galva, IL, held by GALVA, CITY OF, with its permit status shown as Effective and its discharger class as Minor. The page lists 12 pollutants under a numeric limit and 9 pollutants with an effluent exceedance, and records a permit issued February 14, 2020 and expiring February 28, 2025 that discharges to MUD RUN CREEK in subwatershed HUC 071300050401.