Clean Water Act discharge permit · NPDES IA0066966

THOMAS MITCHELL PARK, Mitchellville, IA: NPDES IA0066966 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
6Pollutants under a numeric limit
1Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

THOMAS MITCHELL PARK holds NPDES permit IA0066966. EPA’s file records it issued February 1, 2014 and expiring January 31, 2019.

THOMAS MITCHELL PARK, Mitchellville, Iowa: Individual permit IA0066966; Administratively continued (past its expiration date and still in force until reissued); issued February 1, 2014, term to January 31, 2019, by STA.

Flow, in conduit or thru treatment plant: 0 limits, 53 violations of any kind, 1 effluent exceedance, latest April 30, 2006, largest 148% over the limit.
pH: 2 limits, 46 violations of any kind, 0 effluent exceedances.
Solids, total suspended: 2 limits, 46 violations of any kind, 0 effluent exceedances.
BOD, carbonaceous [5 day, 20 C]: 2 limits, 46 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.

THOMAS MITCHELL PARK among its neighbors

EPA’s permit file holds 3 discharge permits in the Camp Creek subwatershed (HUC 071000081504), IA0066966 among them. Its county holds 49, 4 of them major permits; IA0066966 is a minor permit.

Other permits in the Camp Creek subwatershed (HUC 071000081504)

CITY OF MITCHELLVILLE, Mitchellville: IAL021997, minor permit, permit term to December 31, 2025
MITCHELLVILLE CITY OF STP, Mitchellville: IA0021997, major permit, permit term to February 28, 2022

Identity

Facility as filed	THOMAS MITCHELL PARK
Permittee as filed	THOMAS MITCHELL PARK
NPDES ID	IA0066966
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
Issued	February 1, 2014
Expiration date	January 31, 2019
Issuing agency	STA
Address	Mitchellville, IA 50169
Subwatershed	Camp Creek (HUC 071000081504)

Effluent limits and exceedances

7Pollutants on file
6Under a numeric limit
4With a violation of any kind
1With 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	53	1	April 30, 2006	148% over the limit
pH	2	46	0
Solids, total suspended	2	46	0
BOD, carbonaceous [5 day, 20 C]	2	46	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 IA0066966.

Inspections

EPA’s inspection file holds no inspection for NPDES IA0066966.

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 IA0066966.

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

This public-records page covers Clean Water Act NPDES discharge permit IA0066966 for THOMAS MITCHELL PARK in Mitchellville, IA, with its permit status, effluent exceedances, inspections and penalties. The page lists 6 pollutants under a numeric limit and 1 pollutant with an effluent exceedance, out of 7 pollutants on file. It also records 4 pollutants with a violation of any kind.