Clean Water Act discharge permit · NPDES IA0030686

ALTA VISTA CITY OF STP, Alta Vista, IA: NPDES IA0030686 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
6Pollutants under a numeric limit
3Pollutants with an effluent exceedance

ALTA VISTA CITY OF STP, held by CITY OF ALTA VISTA, holds NPDES permit IA0030686. EPA’s file records it issued September 1, 2019 and expiring August 31, 2024. 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	ALTA VISTA CITY OF STP
Permittee as filed	CITY OF ALTA VISTA
NPDES ID	IA0030686
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	September 1, 2019
Expiration date	August 31, 2024
Issuing agency	STA
Address	Alta Vista, IA 50603
Subwatershed	Elk Creek (HUC 070801020101)

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

Effluent limits and exceedances

6Pollutants on file
6Under a numeric limit
3With a violation of any kind
3With 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
BOD, carbonaceous [5 day, 20 C]	5	111	17	November 30, 2004	220% over the limit
pH	2	106	8	May 31, 2021
Solids, total suspended	5	105	5	February 29, 2004	130% over the limit
Nitrogen, ammonia total [as N]	5	0	0
E. coli	3	0	0
Depth of pond or reservoir in feet	3	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 IA0030686.

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 IA0030686 there.

Nearby on the register

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

This public-records page covers NPDES permit IA0030686 for the ALTA VISTA CITY OF STP in Alta Vista, Iowa, held by the CITY OF ALTA VISTA and listed as administratively continued after its August 31, 2024 expiration. The permit lists six pollutants on file, three of them under a numeric limit and three with an effluent exceedance, and the facility is classed as a minor discharger in the Elk Creek subwatershed (HUC 070801020101).