Clean Water Act discharge permit · NPDES IA0028967

FARNHAMVILLE CITY OF STP, Farnhamville, IA: NPDES IA0028967 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
8Pollutants under a numeric limit
6Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

FARNHAMVILLE CITY OF STP, held by CITY OF FARNHAMVILLE, holds NPDES permit IA0028967. EPA’s file records it issued March 1, 2018 and expiring February 28, 2023.

FARNHAMVILLE CITY OF STP, Farnhamville, Iowa: Individual permit IA0028967, held by CITY OF FARNHAMVILLE; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued March 1, 2018, term to February 28, 2023, by STA; Sewage Treatment Facilities.

Nitrogen, ammonia total [as N]: 56 limits, 51 violations of any kind, 31 effluent exceedances, latest April 30, 2025, largest 433% over the limit.
BOD, carbonaceous [5 day, 20 C]: 4 limits, 55 violations of any kind, 30 effluent exceedances, latest January 31, 2026, largest 216% over the limit.
Solids, total suspended: 9 limits, 33 violations of any kind, 9 effluent exceedances, latest August 31, 2023, largest 168% over the limit.
E. coli: 1 limit, 8 violations of any kind, 7 effluent exceedances, latest April 30, 2025, largest 12,124% over the limit.
pH: 2 limits, 5 violations of any kind, 3 effluent exceedances, latest October 31, 2022.
Flow, in conduit or thru treatment plant: 0 limits, 4 violations of any kind, 3 effluent exceedances, latest March 31, 2009, largest 626% over the limit.
Nitrogen, Kjeldahl, total [as N]: 2 limits, 20 violations of any kind, 0 effluent exceedances.
Oxygen, dissolved [DO]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
BOD, 5-day, 20 deg. C: 5 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; 328 were issued before IA0028967.

Coverages issued nearest IA0028967

February 1, 2018: VICTOR CITY OF STP, Victor, IA0058190, held by CITY OF VICTOR
February 1, 2018: ZEARING CITY OF STP, Zearing, IA0058513, held by CITY OF ZEARING
February 1, 2018: WOODBURN CITY OF (SIRWA), Woodburn, IA0075256, held by SOUTHERN IOWA RURAL WATER ASSOCIATION
February 1, 2018: HARCOURT, CITY OF STP, Harcourt, IA0076244, held by CITY OF HARCOURT
February 1, 2018: DICKENS WASTEWATER TREATMENT FACILITY, Dickens, IA0080691, held by IOWA LAKES REGIONAL WATER
March 1, 2018: VILLISCA CITY OF STP, Villisca, IA0032549, held by CITY OF VILLISCA
March 1, 2018: RENWICK CITY OF STP, Renwick, IA0032760, held by CITY OF RENWICK
March 1, 2018: PETERSON CITY OF STP, Peterson, IA0033677, held by CITY OF PETERSON
March 1, 2018: CLINTON CITY OF STP, Clinton, IA0035947, held by CITY OF CLINTON
March 1, 2018: SWALEDALE, CITY STP, Swaledale, IA0073903, held by CERRO GORDO COUNTY

FARNHAMVILLE CITY OF STP among its neighbors

EPA’s permit file holds 2 discharge permits in the Happy Run-Hardin Creek subwatershed (HUC 071000061002), IA0028967 among them. Its county holds 10, 1 of them major permits; IA0028967 is a minor permit.

Other permits in the Happy Run-Hardin Creek subwatershed (HUC 071000061002)

CHURDAN CITY OF STP, Churdan: IA0031216, minor permit, permit term to January 31, 2024

Identity

Facility as filed	FARNHAMVILLE CITY OF STP
Permittee as filed	CITY OF FARNHAMVILLE
NPDES ID	IA0028967
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	March 1, 2018
Expiration date	February 28, 2023
Issuing agency	STA
Address	Farnhamville, IA 50538
Subwatershed	Happy Run-Hardin Creek (HUC 071000061002)
NAICS	221320 – Sewage Treatment Facilities
SIC	4952 – Sewerage Systems

Effluent limits and exceedances

9Pollutants on file
8Under a numeric limit
8With a violation of any kind
6With 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
Nitrogen, ammonia total [as N]	56	51	31	April 30, 2025	433% over the limit
BOD, carbonaceous [5 day, 20 C]	4	55	30	January 31, 2026	216% over the limit
Solids, total suspended	9	33	9	August 31, 2023	168% over the limit
E. coli	1	8	7	April 30, 2025	12,124% over the limit
pH	2	5	3	October 31, 2022
Flow, in conduit or thru treatment plant	0	4	3	March 31, 2009	626% over the limit
Nitrogen, Kjeldahl, total [as N]	2	20	0
Oxygen, dissolved [DO]	1	1	0
BOD, 5-day, 20 deg. C	5	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IA0028967.

Inspections

EPA’s inspection file holds no inspection for NPDES IA0028967.

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 IA0028967.

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

This public-records page covers Clean Water Act NPDES permit IA0028967, held by CITY OF FARNHAMVILLE for the FARNHAMVILLE CITY OF STP in Farnhamville, IA, which EPA's file lists as administratively continued with a Minor Discharger class. The page lists 8 pollutants under a numeric limit and 6 pollutants with an effluent exceedance, with the permit recorded as issued March 1, 2018 and expiring February 28, 2023.