Clean Water Act discharge permit · NPDES IA0066036

DNR VIKING LAKE STATE PARK, Stanton, IA: NPDES IA0066036 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

DNR VIKING LAKE STATE PARK, held by IOWA DEPARTMENT OF NATURAL RESOURCES, holds NPDES permit IA0066036. EPA’s file records it issued August 1, 2014 and expiring July 31, 2019.

DNR VIKING LAKE STATE PARK, Stanton, Iowa: Individual permit IA0066036, held by IOWA DEPARTMENT OF NATURAL RESOURCES; Administratively continued (past its expiration date and still in force until reissued); issued August 1, 2014, term to July 31, 2019, by STA; Rv [Recreational Vehicle] Parks and Campgrounds.

Nitrogen, ammonia total [as N]: 180 limits, 29 violations of any kind, 15 effluent exceedances, latest July 31, 2021, largest 400% over the limit.
Chlorine, total residual: 0 limits, 17 violations of any kind, 11 effluent exceedances, latest October 31, 2022, largest 762% over the limit.
BOD, carbonaceous [5 day, 20 C]: 4 limits, 30 violations of any kind, 0 effluent exceedances.
Solids, total suspended: 9 limits, 16 violations of any kind, 0 effluent exceedances.
pH: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Oxygen, dissolved [DO]: 4 limits, 3 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 VIKING LAKE STATE PARK among its neighbors

EPA’s permit file holds 1 discharge permits in the Dunns Creek-West Nodaway River subwatershed (HUC 102400090603), IA0066036 among them. Its county holds 4, 1 of them major permits; IA0066036 is a minor permit.

Identity

Facility as filed	DNR VIKING LAKE STATE PARK
Permittee as filed	IOWA DEPARTMENT OF NATURAL RESOURCES
NPDES ID	IA0066036
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	August 1, 2014
Expiration date	July 31, 2019
Issuing agency	STA
Address	Stanton, IA 51573
Subwatershed	Dunns Creek-West Nodaway River (HUC 102400090603)
NAICS	721211 – Rv [Recreational Vehicle] Parks and Campgrounds
SIC	7033 – Trailer Parks And Campsites

Effluent limits and exceedances

7Pollutants on file
6Under a numeric limit
6With 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
Nitrogen, ammonia total [as N]	180	29	15	July 31, 2021	400% over the limit
Chlorine, total residual	0	17	11	October 31, 2022	762% over the limit
BOD, carbonaceous [5 day, 20 C]	4	30	0
Solids, total suspended	9	16	0
pH	2	4	0
Oxygen, dissolved [DO]	4	3	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 IA0066036.

Inspections

EPA’s inspection file holds no inspection for NPDES IA0066036.

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 IA0066036.

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

This public-records page covers Clean Water Act discharge permit NPDES IA0066036, held by DNR VIKING LAKE STATE PARK in Stanton, IA, with the permit status listed as administratively continued. The page lists 6 for the discharger class, 2 pollutants under a numeric limit, and 2 pollutants with an effluent exceedance, within the Dunns Creek-West Nodaway River subwatershed (HUC 102400090603).