Clean Water Act discharge permit · NPDES IA0058076

BOONE CITY OF STP, Boone, IA: NPDES IA0058076 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
13Pollutants under a numeric limit
3Pollutants with an effluent exceedance

BOONE CITY OF STP, held by CITY OF BOONE, holds NPDES permit IA0058076. EPA’s file records it issued August 1, 2019 and expiring July 31, 2024. 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	BOONE CITY OF STP
Permittee as filed	CITY OF BOONE
NPDES ID	IA0058076
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	August 1, 2019
Expiration date	July 31, 2024
Issuing agency	STA
Address	Boone, IA 50036
Subwatershed	Honey Creek-Des Moines River (HUC 071000040706)
Other EPA IDs (FRS)	ICIS-AIR source IA0000001901500127

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

13Pollutants on file
13Under a numeric limit
8With 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	5	7	2	June 30, 2024
Solids, total suspended	9	11	1	February 28, 2023	3% over the limit
Toxicity [acute], Pimephales promelas [Fathead Minnow]	1	3	1	February 28, 2025	81,900,000% over the limit
Nitrogen, ammonia total [as N]	48	10	0
BOD, carbonaceous [5 day, 20 C]	4	10	0
Nitrogen, nitrate total [as N]	2	5	0
Oxygen, dissolved [DO]	1	3	0
Toxicity [acute], Ceriodaphnia dubia	1	2	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
E. coli	1	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 IA0058076.

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 IA0058076 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 NPDES discharge permit IA0058076 for BOONE CITY OF STP in Boone, IA, held by CITY OF BOONE, a major discharger classed as a publicly owned treatment works and administratively continued past its expiration date. The page lists 13 pollutants on file, of which 3 are under a numeric limit and 8 are reported with an effluent exceedance.