Clean Water Act discharge permit · NPDES MO0116114

FORISTELL INTERIM WWTP, Foristell, MO: NPDES MO0116114 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
7Pollutants under a numeric limit
3Pollutants with an effluent exceedance

FORISTELL INTERIM WWTP, held by City of Foristell, holds NPDES permit MO0116114, which discharges to Tributary To Peruque Cr.. EPA’s file records it issued November 22, 2016 and expiring March 31, 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	FORISTELL INTERIM WWTP
Permittee as filed	City of Foristell
NPDES ID	MO0116114
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	November 22, 2016
Expiration date	March 31, 2020
Address	Foristell, MO 63348
Receiving water	Tributary to Peruque Cr.
Receiving water impaired	303(D) Listed
Subwatershed	Headwaters Peruque Creek (HUC 071100090101)
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
7Under a numeric limit
10With 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
BOD, 5-day, 20 deg. C	4	9	6	March 31, 2011	882% over the limit
Solids, total suspended	4	5	2	March 31, 2009	810% over the limit
Coliform, fecal general	0	2	2	June 30, 2012	225% over the limit
Nitrogen, ammonia total [as N]	4	2	0
pH	2	2	0
Oil and grease [soxhlet extr.] tot.	2	2	0
Flow, in conduit or thru treatment plant	2	2	0
E. coli	2	2	0
BOD, 5-day, percent removal	0	1	0
Solids, suspended percent removal	0	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

1Single-event violations

Date	What EPA recorded	Agency
December 12, 2019	Reporting Violations - Improper/ Incorrect Reporting	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 MO0116114 there.

Nearby on the register

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

This public-records page covers the Clean Water Act discharge permit NPDES MO0116114 held by City of Foristell for the FORISTELL INTERIM WWTP in Foristell, MO, which is administratively continued. The permit lists a discharger class of 7, with 3 pollutants under a numeric limit and 3 pollutants with an effluent exceedance.