Clean Water Act discharge permit · NPDES IA0082392

RALSTON, CITY OF WATER TREATMENT PLANT, Ralston, IA: NPDES IA0082392 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
4Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

RALSTON, CITY OF WATER TREATMENT PLANT, held by CITY OF RALSTON, holds NPDES permit IA0082392. EPA’s file records it issued May 1, 2023 and expiring April 30, 2028. 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	RALSTON, CITY OF WATER TREATMENT PLANT
Permittee as filed	CITY OF RALSTON
NPDES ID	IA0082392
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	May 1, 2023
Expiration date	April 30, 2028
Issuing agency	STA
Address	Ralston, IA 51459
Subwatershed	Otter Creek (HUC 071000061401)

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

Effluent limits and exceedances

4Pollutants on file
4Under a numeric limit
2With 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
Nitrogen, nitrate total [as N]	1	3
pH	2	2
Iron, total [as Fe]	4	0
Chlorine, total residual	4	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES IA0082392.

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 IA0082392.

Inspections

EPA’s inspection file holds no inspection for NPDES IA0082392.

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 IA0082392.

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 IA0082392 there.

Nearby on the register

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

This public-records page covers the NPDES discharge permit IA0082392 held by the City of Ralston for its water treatment plant in Ralston, IA, listed as an effective individual permit for a minor discharger, issued May 1, 2023 and expiring April 30, 2028. The page lists 4 pollutants on file, 4 of them under a numeric limit, 2 with a violation of any kind, and 0 with an effluent exceedance.