Clean Water Act discharge permit · NPDES IA0036072

HAWKEYE CITY OF STP, Hawkeye, IA: NPDES IA0036072 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
7Pollutants under a numeric limit
5Pollutants with an effluent exceedance

HAWKEYE CITY OF STP, held by CITY OF HAWKEYE, holds NPDES permit IA0036072. EPA’s file records it issued May 1, 2020 and expiring April 30, 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	HAWKEYE CITY OF STP
Permittee as filed	CITY OF HAWKEYE
NPDES ID	IA0036072
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	May 1, 2020
Expiration date	April 30, 2025
Issuing agency	STA
Address	Hawkeye, IA 52147
Subwatershed	North Branch Volga River (HUC 070600040501)
NAICS	221320 – Sewage Treatment Facilities
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

8Pollutants on file
7Under a numeric limit
5With a violation of any kind
5With 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
Flow, in conduit or thru treatment plant	0	19	19	May 31, 2009	2,069% over the limit
Solids, total suspended	5	17	13	November 30, 2008	83% over the limit
BOD, carbonaceous [5 day, 20 C]	5	8	4	February 29, 2004	176% over the limit
Nitrogen, ammonia total [as N]	48	4	4	November 30, 2022	99% over the limit
pH	2	2	2	October 31, 2015
E. coli	4	0	0
Depth of pond or reservoir in feet	3	0	0
Oxygen, dissolved [DO]	1	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 IA0036072.

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 IA0036072 there.

Nearby on the register

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

This public-records page covers NPDES permit IA0036072 for the HAWKEYE CITY OF STP in Hawkeye, Iowa, held by CITY OF HAWKEYE and listed as administratively continued, with a May 1, 2020 issue date and an April 30, 2025 expiration date. The page lists 7 pollutants under a numeric limit, 5 pollutants with an effluent exceedance, and 8 pollutants on file, all as of October 14, 2026.