Clean Water Act discharge permit · NPDES MO0120634

WENTWORTH WWTP, Wentworth, MO: NPDES MO0120634 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
6Pollutants with an effluent exceedance

WENTWORTH WWTP, held by Village of Wentworth, holds NPDES permit MO0120634, which discharges to Tributary To Dry Valley Br.. EPA’s file records it issued August 16, 2018 and expiring September 30, 2022. 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	WENTWORTH WWTP
Permittee as filed	Village of Wentworth
NPDES ID	MO0120634
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	August 16, 2018
Expiration date	September 30, 2022
Address	Wentworth, MO 64873
Receiving water	Tributary to Dry Valley Br.
Subwatershed	Dry Valley Branch (HUC 110702070601)
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

10Pollutants on file
9Under a numeric limit
10With a violation of any kind
6With 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
E. coli	2	18	14	May 31, 2026	5,644% over the limit
Nitrogen, ammonia total [as N]	6	19	13	September 30, 2025	2,415% over the limit
BOD, 5-day, 20 deg. C	2	12	6	September 30, 2020	150% over the limit
pH	2	12	6	June 30, 2019
Solids, suspended percent removal	1	4	3	May 31, 2026	287% over the limit
E. coli, colony forming units [CFU]	0	3	1	September 30, 2017	730% over the limit
Solids, total suspended	2	6	0
Flow, in conduit or thru treatment plant	2	6	0
Oil and grease [soxhlet extr.] tot.	2	4	0
BOD, 5-day, percent removal	1	1	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 MO0120634.

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 MO0120634 there.

Nearby on the register

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

The page is a public-records entry for the Wentworth WWTP, a publicly owned treatment works in Wentworth, MO, holding NPDES permit MO0120634 issued to the Village of Wentworth and discharging to a tributary to Dry Valley Br. in the Dry Valley Branch subwatershed (HUC 110702070601). The permit is administratively continued, with a listed issue date of August 16, 2018 and expiration date of September 30, 2022, and the page lists 9 for discharger class, 6 pollutants under a numeric limit, and 6 pollutants with an effluent exceedance.