Clean Water Act discharge permit · NPDES MO0041203

LAGRANGE WWTP, Lagrange, MO: NPDES MO0041203 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
11Pollutants under a numeric limit
0Pollutants with an effluent exceedance

LAGRANGE WWTP, held by City of LaGrange, holds NPDES permit MO0041203, which discharges to Mississippi River. EPA’s file records it issued June 11, 2018 and expiring March 31, 2023. 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	LAGRANGE WWTP
Permittee as filed	City of LaGrange
NPDES ID	MO0041203
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	June 11, 2018
Expiration date	March 31, 2023
Address	Lagrange, MO 63448
Receiving water	Mississippi River
Receiving water impaired	303(D) Listed
Subwatershed	Frazier Creek-Mississippi River (HUC 071100011005)
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

11Pollutants on file
11Under a numeric limit
2With a violation of any kind
0With 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
Solids, total suspended	2	2
pH	2	1
Nitrogen, total [as N]	4	0
Phosphorus, total [as P]	4	0
BOD, 5-day, 20 deg. C	2	0
Oil and grease [soxhlet extr.] tot.	2	0
Nitrogen, ammonia total [as N]	2	0
Flow, in conduit or thru treatment plant	2	0
E. coli	2	0
BOD, 5-day, percent removal	1	0
Solids, suspended percent removal	1	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MO0041203.

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

1Single-event violations

Date	What EPA recorded	Agency
August 24, 2022	Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)	ST6

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 MO0041203 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers Clean Water Act NPDES permit MO0041203 for the LAGRANGE WWTP in Lagrange, MO, held by City of LaGrange and discharging to the Mississippi River. The facts list 11 pollutants on file, 11 under a numeric limit, 2 with a violation of any kind, and 0 pollutants with an effluent exceedance.