Clean Water Act discharge permit · NPDES IA0075434

PARK HILLS WASTEWATER FACILITY, Otley, IA: NPDES IA0075434 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
6Pollutants under a numeric limit
4Pollutants with an effluent exceedance

PARK HILLS WASTEWATER FACILITY, held by CENTRAL IOWA WATER ASSOCIATION, holds NPDES permit IA0075434. EPA’s file records it issued May 1, 2017 and expiring April 30, 2022. 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	PARK HILLS WASTEWATER FACILITY
Permittee as filed	CENTRAL IOWA WATER ASSOCIATION
NPDES ID	IA0075434
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
Program	Publicly owned treatment works
Issued	May 1, 2017
Expiration date	April 30, 2022
Issuing agency	STA
Address	Otley, IA 50214
Subwatershed	Wallingslock Creek-Des Moines River (HUC 071000081509)

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

Effluent limits and exceedances

8Pollutants on file
6Under a numeric limit
6With 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
Flow, in conduit or thru treatment plant	0	50	50	July 31, 2012	522% over the limit
Nitrogen, ammonia total [as N]	5	39	37	May 31, 2012	3,153% over the limit
pH	2	3	1	June 30, 2023
Coliform, fecal general	0	1	1	May 31, 2011	737% over the limit
Solids, total suspended	5	7	0
BOD, carbonaceous [5 day, 20 C]	5	3	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 IA0075434.

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 IA0075434 there.

Nearby on the register

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

This EPA public-records page covers NPDES permit IA0075434 for the PARK HILLS WASTEWATER FACILITY in Otley, IA, held by CENTRAL IOWA WATER ASSOCIATION, with the permit listed as administratively continued and issued by STA. The facts list 8 pollutants on file, 6 under a numeric limit, 6 with a violation of any kind, and 4 with an effluent exceedance, within the Wallingslock Creek-Des Moines River subwatershed (HUC 071000081509).