Clean Water Act discharge permit · NPDES IA0021580

EMMETSBURG CITY OF STP, Emmetsburg, IA: NPDES IA0021580 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
14Pollutants under a numeric limit
6Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

EMMETSBURG CITY OF STP, held by CITY OF EMMETSBURG, holds NPDES permit IA0021580. EPA’s file records it issued November 1, 2020 and expiring October 31, 2025.

EMMETSBURG CITY OF STP, Emmetsburg, Iowa: Individual permit IA0021580, held by CITY OF EMMETSBURG; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued November 1, 2020, term to October 31, 2025, by STA; Sewage Treatment Facilities.

Chloride [as Cl]: 4 limits, 179 violations of any kind, 171 effluent exceedances, latest July 31, 2026, largest 240% over the limit.
Copper, total [as Cu]: 0 limits, 23 violations of any kind, 23 effluent exceedances, latest July 31, 2017, largest 151% over the limit.
Nitrogen, ammonia total [as N]: 48 limits, 13 violations of any kind, 13 effluent exceedances, latest August 31, 2024, largest 286% over the limit.
Oxygen, dissolved [DO]: 1 limit, 15 violations of any kind, 11 effluent exceedances, latest July 31, 2026, largest 27% over the limit.
pH: 5 limits, 6 violations of any kind, 2 effluent exceedances, latest January 31, 2016.
E. coli: 1 limit, 1 violation of any kind, 1 effluent exceedance, latest October 31, 2012, largest 107% over the limit.
Cadmium, total [as Cd]: 0 limits, 60 violations of any kind, 0 effluent exceedances.
Chromium, total [as Cr]: 0 limits, 60 violations of any kind, 0 effluent exceedances.
Lead, total [as Pb]: 0 limits, 60 violations of any kind, 0 effluent exceedances.
Nickel, total [as Ni]: 0 limits, 60 violations of any kind, 0 effluent exceedances.
Silver, total [as Ag]: 0 limits, 60 violations of any kind, 0 effluent exceedances.
Solids, total dissolved: 0 limits, 60 violations of any kind, 0 effluent exceedances.
Cyanide, total [as CN]: 0 limits, 16 violations of any kind, 0 effluent exceedances.
Solids, total suspended: 9 limits, 8 violations of any kind, 0 effluent exceedances.
BOD, carbonaceous [5 day, 20 C]: 4 limits, 8 violations of any kind, 0 effluent exceedances.
Nitrogen, nitrate total [as N]: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Toxicity [acute], Ceriodaphnia dubia: 1 limit, 4 violations of any kind, 0 effluent exceedances.
Toxicity [acute], Pimephales promelas [Fathead Minnow]: 1 limit, 4 violations of any kind, 0 effluent exceedances.
Nitrogen, total [as N]: 10 limits, 0 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 10 limits, 0 violations of any kind, 0 effluent exceedances.
BOD, 5-day, 20 deg. C: 5 limits, 0 violations of any kind, 0 effluent exceedances.
Nitrogen, Kjeldahl, total [as N]: 5 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; 584 were issued before IA0021580. CITY OF EMMETSBURG holds 2 permits in Iowa.

Other permits held by CITY OF EMMETSBURG

CITY OF EMMETSBURG, Emmetsburg: IAL021580, issued January 1, 2021

Coverages issued nearest IA0021580

October 1, 2020: FORT DODGE CITY OF STP, Fort Dodge, IA0044849, held by CITY OF FORT DODGE
October 1, 2020: MARATHON CITY OF STP, Marathon, IA0067652, held by CITY OF MARATHON
October 1, 2020: WATKINS, COMMUNITY OF, Watkins, IA0079871, held by POWESHIEK WATER ASSOCIATION
November 1, 2020: MOULTON CITY OF STP, Moulton, IA0020851, held by CITY OF MOULTON
November 1, 2020: JEFFERSON CITY OF STP, Jefferson, IA0021300, held by CITY OF JEFFERSON
November 1, 2020: ANAMOSA CITY OF STP, Anamosa, IA0025895, held by CITY OF ANAMOSA
November 1, 2020: NORTH LIBERTY CITY OF STP, North Liberty, IA0032905, held by CITY OF NORTH LIBERTY
November 1, 2020: TIFFIN CITY OF STP, Tiffin, IA0036617, held by CITY OF TIFFIN
November 1, 2020: ELDRIDGE CITY OF STP (SOUTH SLOPE), Eldridge, IA0063231, held by CITY OF ELDRIDGE
November 1, 2020: DOLLIVER, CITY OF STP, Dolliver, IA0082147, held by IOWA LAKES REGIONAL WATER

EMMETSBURG CITY OF STP among its neighbors

EPA’s permit file holds 2 discharge permits in the Drainage Ditch 41-Des Moines River subwatershed (HUC 071000020801), IA0021580 among them. Its county holds 9, 1 of them major permits; IA0021580 is a major permit.

Other permits in the Drainage Ditch 41-Des Moines River subwatershed (HUC 071000020801)

POET BIOREFINING - EMMETSBURG, LLC, Emmetsburg: IA0078492, minor permit, permit term to October 7, 2018

Identity

Facility as filed	EMMETSBURG CITY OF STP
Permittee as filed	CITY OF EMMETSBURG
NPDES ID	IA0021580
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Major discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	November 1, 2020
Expiration date	October 31, 2025
Issuing agency	STA
Address	Emmetsburg, IA 50536
Subwatershed	Drainage Ditch 41-Des Moines River (HUC 071000020801)
Program components on file	Biosolids, POTW
NAICS	221320 – Sewage Treatment Facilities
SIC	4952 – Sewerage Systems

Effluent limits and exceedances

22Pollutants on file
14Under a numeric limit
18With 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
Chloride [as Cl]	4	179	171	July 31, 2026	240% over the limit
Copper, total [as Cu]	0	23	23	July 31, 2017	151% over the limit
Nitrogen, ammonia total [as N]	48	13	13	August 31, 2024	286% over the limit
Oxygen, dissolved [DO]	1	15	11	July 31, 2026	27% over the limit
pH	5	6	2	January 31, 2016
E. coli	1	1	1	October 31, 2012	107% over the limit
Cadmium, total [as Cd]	0	60	0
Chromium, total [as Cr]	0	60	0
Lead, total [as Pb]	0	60	0
Nickel, total [as Ni]	0	60	0
Silver, total [as Ag]	0	60	0
Solids, total dissolved	0	60	0
Cyanide, total [as CN]	0	16	0
Solids, total suspended	9	8	0
BOD, carbonaceous [5 day, 20 C]	4	8	0
Nitrogen, nitrate total [as N]	2	4	0
Toxicity [acute], Ceriodaphnia dubia	1	4	0
Toxicity [acute], Pimephales promelas [Fathead Minnow]	1	4	0
Nitrogen, total [as N]	10	0	0
Phosphorus, total [as P]	10	0	0
BOD, 5-day, 20 deg. C	5	0	0
Nitrogen, Kjeldahl, total [as N]	5	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IA0021580.

Inspections

EPA’s inspection file holds no inspection for NPDES IA0021580.

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 IA0021580.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, IA0021580.

Start the watch

How we handle your data → Privacy

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES IA0021580 for EMMETSBURG CITY OF STP in Emmetsburg, IA, held by CITY OF EMMETSBURG, with a status of administratively continued and a Major Discharger class. The page lists 14 pollutants under a numeric limit and 6 pollutants with an effluent exceedance, within the Drainage Ditch 41-Des Moines River subwatershed (HUC 071000020801).