Clean Water Act discharge permit · NPDES IA0041793

MAXWELL CITY OF STP, Maxwell, IA: NPDES IA0041793 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
8Pollutants under a numeric limit
3Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

MAXWELL CITY OF STP, held by CITY OF MAXWELL, holds NPDES permit IA0041793. EPA’s file records it issued June 1, 2021 and expiring May 31, 2026. 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	MAXWELL CITY OF STP
Permittee as filed	CITY OF MAXWELL
NPDES ID	IA0041793
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	June 1, 2021
Expiration date	May 31, 2026
Issuing agency	STA
Address	Maxwell, IA 50161
Subwatershed	Rock & Calamus Creeks-Indian Creek (HUC 070801050801)
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

8Pollutants on file
8Under a numeric limit
5With 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
Oxygen, dissolved [DO]	1	14	10	August 31, 2021	82% over the limit
Nitrogen, ammonia total [as N]	96	5	5	July 31, 2022	183% over the limit
BOD, carbonaceous [5 day, 20 C]	4	13	1	June 30, 2021	10% over the limit
Solids, total suspended	13	8	0
pH	5	4	0
BOD, 5-day, 20 deg. C	5	0	0
Oil & Grease	2	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 IA0041793.

Inspections

EPA’s inspection file holds no inspection for NPDES IA0041793.

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 IA0041793.

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 IA0041793 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 IA0041793, held by CITY OF MAXWELL for the MAXWELL CITY OF STP in Maxwell, IA, with the permit listed as administratively continued and a Minor Discharger class. The page lists 8 pollutants on file, 3 of which show an effluent exceedance, and 8 pollutants under a numeric limit. The permit's issued and expiration dates are June 1, 2021 and May 31, 2026, as stood in EPA's file when the page was loaded on October 14, 2026.