Clean Water Act discharge permit · NPDES IA0061590

HENDERSON CITY OF STP, Henderson, IA: NPDES IA0061590 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
6Pollutants under a numeric limit
2Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

HENDERSON CITY OF STP, held by CITY OF HENDERSON, holds NPDES permit IA0061590. EPA’s file records it issued August 1, 2018 and expiring July 31, 2023.

HENDERSON CITY OF STP, Henderson, Iowa: Individual permit IA0061590, held by CITY OF HENDERSON; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued August 1, 2018, term to July 31, 2023, by STA.

Solids, total suspended: 5 limits, 12 violations of any kind, 2 effluent exceedances, latest July 31, 2016, largest 63% over the limit.
BOD, carbonaceous [5 day, 20 C]: 5 limits, 11 violations of any kind, 1 effluent exceedance, latest July 31, 2016, largest 60% over the limit.
pH: 2 limits, 10 violations of any kind, 0 effluent exceedances.
Nitrogen, ammonia total [as N]: 5 limits, 0 violations of any kind, 0 effluent exceedances.
E. coli: 3 limits, 0 violations of any kind, 0 effluent exceedances.
Depth of pond or reservoir in feet: 3 limits, 0 violations of any kind, 0 effluent exceedances.

Iowa holds 734 Publicly owned treatment works coverages of this permit type in EPA’s file; 369 were issued before IA0061590.

Coverages issued nearest IA0061590

August 1, 2018: HUDSON CITY OF STP, Hudson, IA0027243, held by CITY OF HUDSON
August 1, 2018: LOVILIA CITY OF STP, Lovilia, IA0027430, held by CITY OF LOVILIA
August 1, 2018: PLYMOUTH CITY OF STP, Plymouth, IA0033383, held by CITY OF PLYMOUTH
August 1, 2018: RICKETTS CITY OF STP, Ricketts, IA0042927, held by CITY OF RICKETTS
August 1, 2018: MANILLA CITY OF STP, Manilla, IA0047368, held by CITY OF MANILLA
August 1, 2018: VOLGA CITY OF STP, Volga, IA0062952, held by City of Volga
August 1, 2018: LOHRVILLE, CITY OF STP, Lohrville, IA0084280, held by CITY OF LOHRVILLE
September 1, 2018: SALIX CITY OF STP, Salix, IA0032913, held by CITY OF SALIX
September 1, 2018: TRURO CITY OF STP, Truro, IA0040991, held by CITY OF TRURO
September 1, 2018: KEOKUK CITY OF STP, Keokuk, IA0042609, held by CITY OF KEOKUK

HENDERSON CITY OF STP among its neighbors

EPA’s permit file holds 2 discharge permits in the City of Carson-West Nishnabotna River subwatershed (HUC 102400020503), IA0061590 among them. Its county holds 7, 1 of them major permits; IA0061590 is a minor permit.

Other permits in the City of Carson-West Nishnabotna River subwatershed (HUC 102400020503)

CARSON CITY OF STP, Carson: IA0042901, minor permit, permit term to February 28, 2022

Identity

Facility as filed	HENDERSON CITY OF STP
Permittee as filed	CITY OF HENDERSON
NPDES ID	IA0061590
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	August 1, 2018
Expiration date	July 31, 2023
Issuing agency	STA
Address	Henderson, IA 51541
Subwatershed	City of Carson-West Nishnabotna River (HUC 102400020503)

Effluent limits and exceedances

6Pollutants on file
6Under a numeric limit
3With a violation of any kind
2With 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
Solids, total suspended	5	12	2	July 31, 2016	63% over the limit
BOD, carbonaceous [5 day, 20 C]	5	11	1	July 31, 2016	60% over the limit
pH	2	10	0
Nitrogen, ammonia total [as N]	5	0	0
E. coli	3	0	0
Depth of pond or reservoir in feet	3	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IA0061590.

Inspections

EPA’s inspection file holds no inspection for NPDES IA0061590.

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 IA0061590.

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, IA0061590.

Start the watch

How we handle your data → Privacy

Nearby on the register

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

This public-records page covers NPDES discharge permit IA0061590, held by CITY OF HENDERSON for the HENDERSON CITY OF STP in Henderson, IA, and shows the permit as administratively continued with a Minor Discharger class. The facts list 6 pollutants on file, 6 under a numeric limit, 3 with a violation of any kind, and 2 with an effluent exceedance, within the Subwatershed City of Carson-West Nishnabotna River (HUC 102400020503).