Clean Water Act discharge permit · NPDES MO0038237

VILLA RIDGE ESTATES WWTP, Villa Ridge, MO: NPDES MO0038237 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
7Pollutants under a numeric limit
6Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

VILLA RIDGE ESTATES WWTP, held by Confluence Rivers Utility Operating, holds NPDES permit MO0038237, which discharges to Tributary To Pin Oak Creek. EPA’s file records it issued July 2, 2018 and expiring June 30, 2020. 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	VILLA RIDGE ESTATES WWTP
Permittee as filed	Confluence Rivers Utility Operating
NPDES ID	MO0038237
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	July 2, 2018
Expiration date	June 30, 2020
Address	Villa Ridge, MO 63089
Receiving water	Tributary to Pin Oak Creek
Subwatershed	Birch Creek-Bourbuse River (HUC 071401030405)
SIC	6552 – Subdividers And Developers

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
7Under 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, colony forming units [CFU]	0	20	16	April 30, 2018	116,405% over the limit
Solids, total suspended	2	23	11	September 30, 2018	663% over the limit
BOD, 5-day, 20 deg. C	2	21	9	September 30, 2018	300% over the limit
E. coli	2	10	8	June 30, 2024	38,347% over the limit
Chlorine, total residual	2	13	7	June 30, 2015	25% over the limit
Nitrogen, ammonia total [as N]	6	4	2	March 31, 2020	659% over the limit
pH	2	12	0
Flow, in conduit or thru treatment plant	2	12	0
Ammonia [as N] + unionized ammonia	0	10	0
Oxygen, dissolved [DO]	0	2	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

6Single-event violations

Date	What EPA recorded	Agency
October 1, 2024	Reporting Violations - Failure to Submit DMRs	ST6
July 5, 2022	Effluent Violations - Narrative Effluent Violation	ST6
June 26, 2017	Effluent Violations - Narrative Effluent Violation	ST6
June 26, 2017	Permit Violations - Unapproved Operation	ST6
June 26, 2017	Permit Violations - Failure to Submit Timely Permit Renewal Application	ST6
June 26, 2017	Reporting Violations - Improper/ Incorrect Reporting	ST6

Inspections

EPA’s inspection file holds no inspection for NPDES MO0038237.

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 MO0038237.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

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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 MO0038237 there.

Nearby on the register

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

This public-records page covers NPDES discharge permit MO0038237 for the Villa Ridge Estates WWTP in Villa Ridge, MO, held by Confluence Rivers Utility Operating, with the permit listed as administratively continued. The page reports a minor discharger class, 7 pollutants under a numeric limit, and 6 pollutants with an effluent exceedance, with the permit issued July 2, 2018 and expiring June 30, 2020.