Clean Water Act discharge permit · NPDES IA0042994

QUIMBY CITY OF STP, Quimby, IA: NPDES IA0042994 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
7Pollutants under a numeric limit
3Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

QUIMBY CITY OF STP, held by CITY OF QUIMBY, holds NPDES permit IA0042994. EPA’s file records it issued September 1, 2021 and expiring August 31, 2026.

QUIMBY CITY OF STP, Quimby, Iowa: Individual permit IA0042994, held by CITY OF QUIMBY; Publicly owned treatment works; Effective; issued September 1, 2021, term to August 31, 2026, by STA.

BOD, carbonaceous [5 day, 20 C]: 5 limits, 8 violations of any kind, 3 effluent exceedances, latest May 31, 2024, largest 19% over the limit.
Solids, total suspended: 10 limits, 6 violations of any kind, 1 effluent exceedance, latest June 30, 2020, largest 6% over the limit.
pH: 2 limits, 4 violations of any kind, 1 effluent exceedance, latest May 31, 2024.
BOD, 5-day, 20 deg. C: 5 limits, 0 violations of any kind, 0 effluent exceedances.
Nitrogen, ammonia total [as N]: 5 limits, 0 violations of any kind, 0 effluent exceedances.
E. coli: 4 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; 655 were issued before IA0042994.

Coverages issued nearest IA0042994

September 1, 2021: BRITT CITY OF STP, Britt, IA0023582, held by CITY OF BRITT
September 1, 2021: CLERMONT CITY OF STP, Clermont, IA0024465, held by CITY OF CLERMONT
September 1, 2021: LAURENS CITY OF STP, Laurens, IA0025950, held by CITY OF LAURENS
September 1, 2021: MADRID CITY OF STP, Madrid, IA0028207, held by CITY OF MADRID
September 1, 2021: MONTEZUMA CITY OF STP, Montezuma, IA0036935, held by CITY OF MONTEZUMA
September 1, 2021: IOWA GREAT LAKES SANITARY DISTRICT STP, Milford, IA0059765, held by IOWA GREAT LAKES SANITARY DISTRICT
September 1, 2021: PETERSBURG, CITY OF STP (EIRUSS), Dyersville, IA0079740, held by EASTERN IOWA REGIONAL UTILITY SERVICE SYSTEMS
October 1, 2021: WASHINGTON CITY OF STP, Washington, IA0032433, held by CITY OF WASHINGTON
October 1, 2021: STANWOOD CITY OF STP, Stanwood, IA0033758, held by CITY OF STANWOOD
October 1, 2021: WEBSTER CITY, CITY OF STP, Webster City, IA0036625, held by CITY OF WEBSTER CITY

QUIMBY CITY OF STP among its neighbors

EPA’s permit file holds 1 discharge permits in the Fourmile Creek-Little Sioux River subwatershed (HUC 102300031406), IA0042994 among them. Its county holds 14, 1 of them major permits; IA0042994 is a minor permit.

Identity

Facility as filed	QUIMBY CITY OF STP
Permittee as filed	CITY OF QUIMBY
NPDES ID	IA0042994
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	September 1, 2021
Expiration date	August 31, 2026
Issuing agency	STA
Address	Quimby, IA 51049
Subwatershed	Fourmile Creek-Little Sioux River (HUC 102300031406)

Effluent limits and exceedances

7Pollutants on file
7Under 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	8	3	May 31, 2024	19% over the limit
Solids, total suspended	10	6	1	June 30, 2020	6% over the limit
pH	2	4	1	May 31, 2024
BOD, 5-day, 20 deg. C	5	0	0
Nitrogen, ammonia total [as N]	5	0	0
E. coli	4	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 IA0042994.

Inspections

EPA’s inspection file holds no inspection for NPDES IA0042994.

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 IA0042994.

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Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES IA0042994, held by CITY OF QUIMBY for QUIMBY CITY OF STP in Quimby, IA, with a status of Effective and a minor discharger classification. The file lists 7 pollutants on file, 3 of them under a numeric limit, and 3 with an effluent exceedance.