Clean Water Act discharge permit · NPDES MO0035700

TERRE DULAC NORTH THREE CELL LAGOON, Bonne Terre, MO: NPDES MO0035700 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
8Pollutants under a numeric limit
5Pollutants with an effluent exceedance

TERRE DULAC NORTH THREE CELL LAGOON, held by Confluence Rivers Utility Operating, holds NPDES permit MO0035700, which discharges to Tributary To Three Hill Cr.. EPA’s file records it issued December 17, 2018 and expiring June 30, 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	TERRE DULAC NORTH THREE CELL LAGOON
Permittee as filed	Confluence Rivers Utility Operating
NPDES ID	MO0035700
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	December 17, 2018
Expiration date	June 30, 2023
Address	Bonne Terre, MO 63628
Receiving water	Tributary to Three Hill Cr.
Subwatershed	Three Hill Creek-Big River (HUC 071401040302)
SIC	8641 – Civic And Social Associations

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

9Pollutants on file
8Under a numeric limit
9With a violation of any kind
5With 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
Nitrogen, ammonia total [as N]	6	109	97	June 30, 2026	971% over the limit
E. coli	2	77	73	July 31, 2026	99,999% over the limit
pH	2	12	3	September 30, 2024
BOD, 5-day, 20 deg. C	2	10	2	August 31, 2016	173% over the limit
Solids, total suspended	2	10	2	July 31, 2018	425% over the limit
Flow, in conduit or thru treatment plant	2	14	0
Nitrogen, total [as N]	2	8	0
Phosphorus, total [as P]	2	8	0
Oxygen, dissolved [DO]	0	4	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

9Single-event violations

Date	What EPA recorded	Agency
June 16, 2022	Management Practice Violations - Improper Operation and Maintenance	ST6
June 16, 2022	Effluent Violations - Numeric effluent violation	ST6
July 21, 2020	Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)	ST6
July 21, 2020	Effluent Violations - Numeric effluent violation	ST6
July 21, 2020	Permit Violations - Unapproved Operation	ST6
July 21, 2020	Management Practice Violations - Improper Operation and Maintenance	ST6
July 21, 2020	Management Practice Violations - No Licensed/Certified Operator	ST6
August 9, 2019	Effluent Violations - Numeric effluent violation	ST6
August 9, 2019	Permit Violations - Violation Specified in Comment	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.

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 MO0035700 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 NPDES discharge permit MO0035700 for TERRE DULAC NORTH THREE CELL LAGOON in Bonne Terre, MO, held by Confluence Rivers Utility Operating, which discharges to Tributary To Three Hill Cr. The permit is listed as administratively continued, with 5 pollutants under a numeric limit and 5 pollutants with an effluent exceedance, and it was issued December 17, 2018 with an expiration date of June 30, 2023. The status and dates reflect EPA's permit file as loaded on October 14, 2026.