Clean Water Act discharge permit · NPDES IA0031836

MARTENSDALE CITY OF STP, Martensdale, IA: NPDES IA0031836 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
6Pollutants under a numeric limit
3Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

MARTENSDALE CITY OF STP, held by CITY OF MARTENSDALE, holds NPDES permit IA0031836. EPA’s file records it issued February 1, 2013 and expiring January 31, 2018.

MARTENSDALE CITY OF STP, Martensdale, Iowa: Individual permit IA0031836, held by CITY OF MARTENSDALE; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued February 1, 2013, term to January 31, 2018, by STA.

pH: 2 limits, 16 violations of any kind, 12 effluent exceedances, latest December 31, 2021.
Solids, total suspended: 5 limits, 7 violations of any kind, 3 effluent exceedances, latest June 30, 2015, largest 83% over the limit.
BOD, carbonaceous [5 day, 20 C]: 5 limits, 6 violations of any kind, 2 effluent exceedances, latest April 30, 2026, largest 28% over the limit.
Nitrogen, ammonia total [as N]: 3 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.

Iowa holds 734 Publicly owned treatment works coverages of this permit type in EPA’s file; 77 were issued before IA0031836.

Coverages issued nearest IA0031836

July 1, 2012: STOUT CITY OF STP, Stout, IA0084107, held by IOWA REGIONAL UTILITIES ASSOCIATION
August 1, 2012: ARCADIA CITY OF STP, Arcadia, IA0031208, held by CITY OF ARCADIA
November 1, 2012: EMERSON CITY OF STP, Emerson, IA0024562, held by CITY OF EMERSON
December 1, 2012: CLARION, CITY OF STP, Clarion, IA0030945, held by CITY OF CLARION
December 1, 2012: MILLERSBURG CITY OF (POWESHIEK WATER ASSN), North English, IA0077283, held by POWESHIEK WATER ASSOCIATION
May 1, 2013: BERNARD, CITY OF-STP, Bernard, IA0076856, held by CITY OF BERNARD
October 1, 2013: ST. ANTHONY CITY OF (IRUA), Saint Anthony, IA0077291, held by IOWA REGIONAL UTILITIES ASSOCIATION
December 1, 2013: ELDRIDGE CITY OF STP (BUTTRMLK), Eldridge, IA0021318, held by CITY OF ELDRIDGE
December 1, 2013: LYNNVILLE CITY OF STP, Lynnville, IA0041971, held by CITY OF LYNNVILLE
January 1, 2014: STORY CITY CITY OF STP, Story City, IA0035882, held by CITY OF STORY CITY

MARTENSDALE CITY OF STP among its neighbors

EPA’s permit file holds 3 discharge permits in the Felters Branch-Middle River subwatershed (HUC 071000080701), IA0031836 among them. Its county holds 14, 3 of them major permits; IA0031836 is a minor permit.

Other permits in the Felters Branch-Middle River subwatershed (HUC 071000080701)

INDIANOLA CITY OF STP (NORTH), Indianola: IA0027669, major permit, permit term to June 30, 2024
INDIANOLA WATER RESOURCE RECOVERY FACILITY, Indianola: IA0053405, major permit, permit term to August 31, 2027

Identity

Facility as filed	MARTENSDALE CITY OF STP
Permittee as filed	CITY OF MARTENSDALE
NPDES ID	IA0031836
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	February 1, 2013
Expiration date	January 31, 2018
Issuing agency	STA
Address	Martensdale, IA 50160
Subwatershed	Felters Branch-Middle River (HUC 071000080701)

Effluent limits and exceedances

6Pollutants on file
6Under a numeric limit
3With a violation of any kind
3With 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	16	12	December 31, 2021
Solids, total suspended	5	7	3	June 30, 2015	83% over the limit
BOD, carbonaceous [5 day, 20 C]	5	6	2	April 30, 2026	28% over the limit
Nitrogen, ammonia total [as N]	3	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 IA0031836.

Inspections

EPA’s inspection file holds no inspection for NPDES IA0031836.

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 IA0031836.

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

This public-records page covers Clean Water Act NPDES permit IA0031836 for MARTENSDALE CITY OF STP in Martensdale, IA, held by CITY OF MARTENSDALE and listed as administratively continued. The page lists 6 pollutants on file, 6 of them with a numeric limit, 3 with a violation of any kind, and 3 with an effluent exceedance, within the Felters Branch-Middle River subwatershed (HUC 071000080701).