Clean Water Act discharge permit · NPDES IA0030848

MONTROSE CITY OF STP, Montrose, IA: NPDES IA0030848 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

MONTROSE CITY OF STP, held by CITY OF MONTROSE, holds NPDES permit IA0030848. EPA’s file records it issued January 1, 2021 and expiring December 31, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	MONTROSE CITY OF STP
Permittee as filed	CITY OF MONTROSE
NPDES ID	IA0030848
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	January 1, 2021
Expiration date	December 31, 2025
Issuing agency	STA
Address	Montrose, IA 52639
Subwatershed	Jack Creek-Mississippi River (HUC 070801041802)
NAICS	221320 – Sewage Treatment Facilities
SIC	4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

7Pollutants on file
6Under a numeric limit
6With 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
Solids, total suspended	9	49	23	October 31, 2023	1,022% over the limit
BOD, carbonaceous [5 day, 20 C]	4	45	17	October 31, 2023	1,405% over the limit
E. coli	1	26	8	October 31, 2024	1,821% over the limit
Chlorine, total residual	4	68	0
pH	5	12	0
Coliform, fecal general	0	1	0
BOD, 5-day, 20 deg. C	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 IA0030848.

Inspections

EPA’s inspection file holds no inspection for NPDES IA0030848.

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 IA0030848.

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 IA0030848 there.

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 IA0030848 for MONTROSE CITY OF STP in Montrose, IA, held by CITY OF MONTROSE, with an administratively continued status and a minor discharger class of 6. The page lists 3 pollutants under a numeric limit and 3 pollutants with an effluent exceedance.