Clean Water Act discharge permit · NPDES IA0043681

TAMA CITY OF STP, Tama, IA: NPDES IA0043681 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
12Pollutants under a numeric limit
5Pollutants with an effluent exceedance

TAMA CITY OF STP, held by CITY OF TAMA, holds NPDES permit IA0043681. EPA’s file records it issued December 1, 2018 and expiring November 30, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	TAMA CITY OF STP
Permittee as filed	CITY OF TAMA
NPDES ID	IA0043681
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	December 1, 2018
Expiration date	November 30, 2023
Issuing agency	STA
Address	Tama, IA 52339
Receiving water impaired	303(D) Listed
Subwatershed	Plague Creek-Iowa River (HUC 070802080703)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

13Pollutants on file
12Under a numeric limit
9With a violation of any kind
5With 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
E. coli	1	35	16	April 30, 2026	23,312% over the limit
Chlorine, total residual	8	85	9	June 30, 2026	147,817% over the limit
Solids, total suspended	9	50	6	February 28, 2026	123% over the limit
Nitrogen, ammonia total [as N]	48	57	3	February 28, 2026	52% over the limit
BOD, carbonaceous [5 day, 20 C]	4	48	2	February 28, 2026	114% over the limit
Coliform, fecal general	0	30	0
pH	5	22	0
Toxicity [acute], Ceriodaphnia dubia	1	9	0
Toxicity [acute], Pimephales promelas [Fathead Minnow]	1	9	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

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IA0043681.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID IA0043681 there.

Nearby on the register

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

This public-records page covers the Clean Water Act discharge permit NPDES IA0043681 held by the City of Tama for the Tama City STP in Tama, IA, which EPA's file lists as administratively continued, a Major Discharger, and a publicly owned treatment works. The page lists 13 pollutants on file, 12 under a numeric limit, and 5 with an effluent exceedance, and it lists 5 pollutants with an effluent exceedance under the permit.