Clean Water Act discharge permit · NPDES MO0111171

ST. VINCENT DEPAUL PARISH WWTF, Marthasville, MO: NPDES MO0111171 discharge permit, effluent exceedances, inspections, penalties

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

ST. VINCENT DEPAUL PARISH WWTF, held by St. Vincent DePaul Parish, holds NPDES permit MO0111171, which discharges to 8-20-13 Mudd V1.0. EPA’s file records it issued May 2, 2016 and expiring March 31, 2021. 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	ST. VINCENT DEPAUL PARISH WWTF
Permittee as filed	St. Vincent DePaul Parish
NPDES ID	MO0111171
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	May 2, 2016
Expiration date	March 31, 2021
Issuing agency	MODNR-Water Protection Program
Address	Marthasville, MO 63357
Receiving water	8-20-13 MUDD V1.0
Subwatershed	Dubois Creek-Missouri River (HUC 103002000601)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

8Pollutants on file
8Under a numeric limit
8With 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
Nitrogen, ammonia total [as N]	6	2
Oxygen, dissolved [DO]	4	2
Chlorine, total residual	4	2
E. coli, colony forming units [CFU]	4	2
BOD, 5-day, 20 deg. C	2	2
pH	2	2
Solids, total suspended	2	2
Flow, in conduit or thru treatment plant	2	2

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MO0111171.

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
February 5, 2020	Reporting Violations - Improper/ Incorrect Reporting	ST6

Inspections

EPA’s inspection file holds no inspection for NPDES MO0111171.

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 MO0111171.

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 MO0111171 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES MO0111171 for the ST. VINCENT DEPAUL PARISH WWTF in Marthasville, MO, held by St. Vincent DePaul Parish and discharging to 8-20-13 MUDD V1.0 in the Dubois Creek-Missouri River subwatershed (HUC 103002000601). The page lists 8 pollutants on file, 8 of them under a numeric limit, and 0 with an effluent exceedance.