Clean Water Act discharge permit · NPDES ILG580278

DAVIS STP, VILLAGE OF, Davis, IL: NPDES ILG580278 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
4Pollutants with an effluent exceedance

DAVIS STP, VILLAGE OF, held by DAVIS, VILLAGE OF, holds NPDES permit ILG580278, which discharges to Unnamed Tributary Of Rock Run. EPA’s file records it issued December 12, 2014 and expiring June 30, 2018. 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	DAVIS STP, VILLAGE OF
Permittee as filed	DAVIS, VILLAGE OF
NPDES ID	ILG580278
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	December 12, 2014
Expiration date	June 30, 2018
Address	Davis, IL 61019
Receiving water	UNNAMED TRIBUTARY OF ROCK RUN
Subwatershed	Rock Run (HUC 070900031403)
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

9Pollutants on file
9Under a numeric limit
9With a violation of any kind
4With 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
Oxygen, dissolved [DO]	1	76	49	June 30, 2022	77% over the limit
Solids, total suspended	5	335	3	August 31, 2021	38% over the limit
pH	2	134	2	January 31, 2020
BOD, carbonaceous [5 day, 20 C]	4	265	1	August 31, 2021	20% over the limit
Flow, in conduit or thru treatment plant	4	268	0
BOD, 5-day, 20 deg. C	1	68	0
Chlorine, total residual	1	66	0
Nitrogen, ammonia total [as N]	1	27	0
Coliform, fecal general	1	10	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 ILG580278.

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.

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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 ILG580278 there.

Nearby on the register

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

This public-records page covers NPDES permit ILG580278 held by DAVIS, VILLAGE OF for the DAVIS STP, VILLAGE OF publicly owned treatment works in Davis, IL, which discharges to Unnamed Tributary Of Rock Run within the Rock Run watershed (HUC 070900031403). The permit is listed as administratively continued with a Minor Discharger class, and the page reports 9 items as its discharger class figure, 4 pollutants under a numeric limit, and 4 pollutants with an effluent exceedance.