Clean Water Act discharge permit · NPDES IL0003832

ROCK ISLAND WATER TREATMENT PLANT, Rock Island, IL: NPDES IL0003832 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
3Pollutants under a numeric limit
1Pollutants with an effluent exceedance

ROCK ISLAND WATER TREATMENT PLANT, held by ROCK ISLAND, CITY OF, holds NPDES permit IL0003832, which discharges to Mississippi River. EPA’s file records it issued August 14, 2018 and expiring August 31, 2023. 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	ROCK ISLAND WATER TREATMENT PLANT
Permittee as filed	ROCK ISLAND, CITY OF
NPDES ID	IL0003832
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	August 14, 2018
Expiration date	August 31, 2023
Address	Rock Island, IL 61201
Receiving water	MISSISSIPPI RIVER
Receiving water impaired	303(D) Listed
SIC	4941 – Water Supply
Other EPA IDs (FRS)	RCRA handler ILR000123976

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

7Pollutants on file
3Under a numeric limit
7With a violation of any kind
1With 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
Chlorine, total residual	1	6	1	January 31, 2006	2,300% over the limit
pH	2	8	0
Flow, in conduit or thru treatment plant	2	8	0
BOD, 5-day, 20 deg. C	0	7	0
Solids, total suspended	0	1	0
Iron, dissolved [as Fe]	0	1	0
Manganese, total [as Mn]	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 IL0003832.

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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, IL0003832.

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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 IL0003832 there.

Nearby on the register

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

This public-records page covers NPDES permit IL0003832 for the Rock Island Water Treatment Plant in Rock Island, IL, held by Rock Island, City of, which discharges to the Mississippi River. The page lists 1 pollutant under a numeric limit and 1 pollutant with an effluent exceedance, with the permit showing administratively continued status and an issue date of August 14, 2018 and an expiration date of August 31, 2023.