Clean Water Act discharge permit · NPDES IA0040991

TRURO CITY OF STP, Truro, IA: NPDES IA0040991 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
6Pollutants under a numeric limit
4Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

TRURO CITY OF STP, held by CITY OF TRURO, holds NPDES permit IA0040991. EPA’s file records it issued September 1, 2018 and expiring August 31, 2023.

TRURO CITY OF STP, Truro, Iowa: Individual permit IA0040991, held by CITY OF TRURO; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued September 1, 2018, term to August 31, 2023, by STA.

BOD, carbonaceous [5 day, 20 C]: 4 limits, 136 violations of any kind, 32 effluent exceedances, latest January 31, 2026, largest 13,341% over the limit.
Solids, total suspended: 9 limits, 124 violations of any kind, 12 effluent exceedances, latest May 31, 2019, largest 131% over the limit.
pH: 5 limits, 16 violations of any kind, 12 effluent exceedances, latest March 31, 2026.
Nitrogen, ammonia total [as N]: 48 limits, 68 violations of any kind, 2 effluent exceedances, latest August 31, 2011, largest 187% over the limit.
Oxygen, dissolved [DO]: 1 limit, 4 violations of any kind, 0 effluent exceedances.
BOD, 5-day, 20 deg. C: 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; 379 were issued before IA0040991.

Coverages issued nearest IA0040991

August 1, 2018: MANILLA CITY OF STP, Manilla, IA0047368, held by CITY OF MANILLA
August 1, 2018: HENDERSON CITY OF STP, Henderson, IA0061590, held by CITY OF HENDERSON
August 1, 2018: VOLGA CITY OF STP, Volga, IA0062952, held by City of Volga
August 1, 2018: LOHRVILLE, CITY OF STP, Lohrville, IA0084280, held by CITY OF LOHRVILLE
September 1, 2018: SALIX CITY OF STP, Salix, IA0032913, held by CITY OF SALIX
September 1, 2018: KEOKUK CITY OF STP, Keokuk, IA0042609, held by CITY OF KEOKUK
September 1, 2018: DUNLAP CITY OF STP, Dunlap, IA0042871, held by CITY OF DUNLAP
September 1, 2018: LADORA CITY OF STP, Ladora, IA0058521, held by CITY OF LADORA
September 1, 2018: NEW VIRGINIA SANITARY DISTRICT-STP, New Virginia, IA0058891, held by NEW VIRGINIA SANITARY DISTRICT
September 1, 2018: ROCK FALLS CITY OF STP, Rock Falls, IA0063495, held by CITY OF ROCK FALLS

TRURO CITY OF STP among its neighbors

EPA’s permit file holds 1 discharge permits in the Broadhorn Creek-South River subwatershed (HUC 071000080902), IA0040991 among them. Its county holds 9, 1 of them major permits; IA0040991 is a minor permit.

Identity

Facility as filed	TRURO CITY OF STP
Permittee as filed	CITY OF TRURO
NPDES ID	IA0040991
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	September 1, 2018
Expiration date	August 31, 2023
Issuing agency	STA
Address	Truro, IA 50257
Subwatershed	Broadhorn Creek-South River (HUC 071000080902)

Effluent limits and exceedances

6Pollutants on file
6Under a numeric limit
5With a violation of any kind
4With 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
BOD, carbonaceous [5 day, 20 C]	4	136	32	January 31, 2026	13,341% over the limit
Solids, total suspended	9	124	12	May 31, 2019	131% over the limit
pH	5	16	12	March 31, 2026
Nitrogen, ammonia total [as N]	48	68	2	August 31, 2011	187% over the limit
Oxygen, dissolved [DO]	1	4	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 IA0040991.

Inspections

EPA’s inspection file holds no inspection for NPDES IA0040991.

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 IA0040991.

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

This public-records page covers Clean Water Act discharge permit NPDES IA0040991 for TRURO CITY OF STP in Truro, IA, held by CITY OF TRURO and administratively continued past its August 31, 2023 expiration. The page lists 6 pollutants on file, 5 under a numeric limit, and 4 with an effluent exceedance, within subwatershed Broadhorn Creek-South River (HUC 071000080902).