Clean Water Act discharge permit · NPDES IA0081183

IOWA LAKES REGIONAL WATER OSGOOD PLANT, Graettinger, IA: NPDES IA0081183 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
10Pollutants under a numeric limit
1Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

IOWA LAKES REGIONAL WATER OSGOOD PLANT, held by IOWA LAKES REGIONAL WATER, holds NPDES permit IA0081183. EPA’s file records it issued October 1, 2020 and expiring September 30, 2025.

IOWA LAKES REGIONAL WATER OSGOOD PLANT, Graettinger, Iowa: Individual permit IA0081183, held by IOWA LAKES REGIONAL WATER; Administratively continued (past its expiration date and still in force until reissued); issued October 1, 2020, term to September 30, 2025, by STA.

Solids, total suspended: 2 limits, 13 violations of any kind, 3 effluent exceedances, latest May 31, 2026, largest 177% over the limit.
pH: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Chloride [as Cl]: 4 limits, 4 violations of any kind, 0 effluent exceedances.
Sulfate, total [as SO4]: 4 limits, 4 violations of any kind, 0 effluent exceedances.
Fluoride, total [as F]: 4 limits, 4 violations of any kind, 0 effluent exceedances.
Iron, dissolved [as Fe]: 4 limits, 4 violations of any kind, 0 effluent exceedances.
Manganese, total [as Mn]: 4 limits, 4 violations of any kind, 0 effluent exceedances.
Iron, total [as Fe]: 0 limits, 4 violations of any kind, 0 effluent exceedances.
Solids, total dissolved: 0 limits, 4 violations of any kind, 0 effluent exceedances.
Nitrogen, nitrate total [as N]: 2 limits, 2 violations of any kind, 0 effluent exceedances.
Nitrogen, ammonia total [as N]: 5 limits, 0 violations of any kind, 0 effluent exceedances.
Aluminum, total [as Al]: 5 limits, 0 violations of any kind, 0 effluent exceedances.

Other permits held by IOWA LAKES REGIONAL WATER

GRUVER CITY OF, Gruver: IA0077488, issued November 1, 2011
AYRSHIRE, CITY OF STP, Ayrshire: IA0079677, issued October 24, 2005
DICKENS WASTEWATER TREATMENT FACILITY, Dickens: IA0080691, issued February 1, 2018
DOLLIVER, CITY OF STP, Dolliver: IA0082147, issued November 1, 2020
ARCHER CITY OF STP, Archer: IA0082422, issued December 1, 2016
LU VERNE, CITY OF STP, Lu Verne: IA0082571, issued May 1, 2011
MELVIN CITY OF STP, Melvin: IA0083658, issued June 1, 2011
WEBB, CITY OF STP, Webb: IA0083666, issued June 1, 2018

IOWA LAKES REGIONAL WATER OSGOOD PLANT among its neighbors

Its county holds 9, 1 of them major permits; IA0081183 is a minor permit.

Other permits in the county

AYRSHIRE, CITY OF STP, Ayrshire: IA0079677, minor permit, permit term to October 23, 2010
CYLINDER CITY OF STP, Cylinder: IA0064823, minor permit, permit term to March 31, 2023
EMMETSBURG CITY OF STP, Emmetsburg: IA0021580, major permit, permit term to October 31, 2025
GRAETTINGER CITY OF STP, Graettinger: IA0027821, minor permit, permit term to October 31, 2022
MALLARD CITY OF STP, Mallard: IA0023370, minor permit, permit term to December 31, 2020
POET BIOREFINING - EMMETSBURG, LLC, Emmetsburg: IA0078492, minor permit, permit term to October 7, 2018
RUTHVEN CITY OF STP, Ruthven: IA0032441, minor permit, permit term to February 28, 2026
WEST BEND CITY OF STP, West Bend: IA0036994, minor permit, permit term to October 31, 2024

Identity

Facility as filed	IOWA LAKES REGIONAL WATER OSGOOD PLANT
Permittee as filed	IOWA LAKES REGIONAL WATER
NPDES ID	IA0081183
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	October 1, 2020
Expiration date	September 30, 2025
Issuing agency	STA
Address	Graettinger, IA 50636

Effluent limits and exceedances

12Pollutants on file
10Under a numeric limit
10With 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
Solids, total suspended	2	13	3	May 31, 2026	177% over the limit
pH	2	6	0
Chloride [as Cl]	4	4	0
Sulfate, total [as SO4]	4	4	0
Fluoride, total [as F]	4	4	0
Iron, dissolved [as Fe]	4	4	0
Manganese, total [as Mn]	4	4	0
Iron, total [as Fe]	0	4	0
Solids, total dissolved	0	4	0
Nitrogen, nitrate total [as N]	2	2	0
Nitrogen, ammonia total [as N]	5	0	0
Aluminum, total [as Al]	5	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IA0081183.

Inspections

EPA’s inspection file holds no inspection for NPDES IA0081183.

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 IA0081183.

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

This public-records page covers the NPDES discharge permit IA0081183 held by IOWA LAKES REGIONAL WATER for its OSGOOD PLANT in Graettinger, IA, which is administratively continued and has a Minor Discharger class. The page lists 12 pollutants on file, 10 under a numeric limit, 10 with a violation of any kind, and 1 with an effluent exceedance.