Clean Water Act discharge permit · NPDES IA0076694

DNR LAKE WAPELLO STATE PARK, Drakesville, IA: NPDES IA0076694 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
7Pollutants under a numeric limit
6Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

DNR LAKE WAPELLO STATE PARK, held by IOWA DEPARTMENT OF NATURAL RESOURCES, holds NPDES permit IA0076694. EPA’s file records it issued February 1, 2017 and expiring January 31, 2022.

DNR LAKE WAPELLO STATE PARK, Drakesville, Iowa: Individual permit IA0076694, held by IOWA DEPARTMENT OF NATURAL RESOURCES; Administratively continued (past its expiration date and still in force until reissued); issued February 1, 2017, term to January 31, 2022, by STA.

pH: 2 limits, 51 violations of any kind, 12 effluent exceedances, latest August 31, 2024.
Nitrogen, ammonia total [as N]: 48 limits, 57 violations of any kind, 9 effluent exceedances, latest June 30, 2022, largest 573% over the limit.
Solids, total suspended: 9 limits, 95 violations of any kind, 1 effluent exceedance, latest April 30, 2015, largest 17% over the limit.
BOD, carbonaceous [5 day, 20 C]: 4 limits, 93 violations of any kind, 1 effluent exceedance, latest April 30, 2015, largest 52% over the limit.
Flow, in conduit or thru treatment plant: 0 limits, 11 violations of any kind, 1 effluent exceedance, latest June 30, 2002, largest 31% over the limit.
E. coli: 3 limits, 4 violations of any kind, 1 effluent exceedance, latest June 30, 2025, largest 29% over the limit.
Oxygen, dissolved [DO]: 1 limit, 11 violations of any kind, 0 effluent exceedances.
BOD, 5-day, 20 deg. C: 5 limits, 0 violations of any kind, 0 effluent exceedances.

Other permits held by IOWA DEPARTMENT OF NATURAL RESOURCES

DNR MANCHESTER TROUT HATCHERY, Manchester: IA0002275, issued April 1, 2020
DNR LAKE DARLING STATE PARK, Brighton: IA0051771, issued December 1, 2025
DNR GEODE STATE PARK, Danville: IA0052732, issued May 1, 2016
WEST OKOBOJI LAKE AQUATIC VEGETATION MANAGEMENT, West Okoboji: IA0053477, issued September 18, 2023
BIG SPIRIT LAKE AQUATIC VEGETATION MANAGEMENT, Spirit Lake: IA0053585, issued July 1, 2024
DNR DECORAH STATE HATCHERY, Decorah: IA0054798, issued March 1, 2020
DNR BIG SPRING TROUT HATCHERY, Elkader: IA0054828, issued March 1, 2020
DNR RATHBUN FISH HATCHERY, Moravia: IA0054844, issued January 1, 2013
DNR LAKE AHQUABI STATE PARK, Indianola: IA0066001, issued January 22, 2003
DNR BELLEVUE STATE PARK, Bellevue: IA0066010, issued March 1, 2015

DNR LAKE WAPELLO STATE PARK among its neighbors

EPA’s permit file holds 1 discharge permits in the Middle Soap Creek subwatershed (HUC 071000090605), IA0076694 among them. Its county holds 3, 0 of them major permits; IA0076694 is a minor permit.

Identity

Facility as filed	DNR LAKE WAPELLO STATE PARK
Permittee as filed	IOWA DEPARTMENT OF NATURAL RESOURCES
NPDES ID	IA0076694
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, 2017
Expiration date	January 31, 2022
Issuing agency	STA
Address	Drakesville, IA 52552
Subwatershed	Middle Soap Creek (HUC 071000090605)

Effluent limits and exceedances

8Pollutants on file
7Under a numeric limit
7With 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
pH	2	51	12	August 31, 2024
Nitrogen, ammonia total [as N]	48	57	9	June 30, 2022	573% over the limit
Solids, total suspended	9	95	1	April 30, 2015	17% over the limit
BOD, carbonaceous [5 day, 20 C]	4	93	1	April 30, 2015	52% over the limit
Flow, in conduit or thru treatment plant	0	11	1	June 30, 2002	31% over the limit
E. coli	3	4	1	June 30, 2025	29% over the limit
Oxygen, dissolved [DO]	1	11	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 IA0076694.

Inspections

EPA’s inspection file holds no inspection for NPDES IA0076694.

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 IA0076694.

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Nearby on the register

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

This public-records page covers NPDES permit IA0076694, held by IOWA DEPARTMENT OF NATURAL RESOURCES for the facility DNR LAKE WAPELLO STATE PARK in Drakesville, IA, and lists its status as administratively continued. The page reports 7 pollutants under a numeric limit, 6 pollutants with an effluent exceedance, and 8 pollutants on file, within the Middle Soap Creek subwatershed (HUC 071000090605).