Clean Water Act discharge permit · NPDES MO0132152

DCSD RIVERDALE SUBDIVISION WWTP, St. Paul, MO: NPDES MO0132152 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
10Pollutants under a numeric limit
5Pollutants with an effluent exceedance

DCSD RIVERDALE SUBDIVISION WWTP, held by Duckett Creek Sanitary District, holds NPDES permit MO0132152, which discharges to Whites Branch. EPA’s file records it issued December 12, 2018 and expiring September 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	DCSD RIVERDALE SUBDIVISION WWTP
Permittee as filed	Duckett Creek Sanitary District
NPDES ID	MO0132152
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	December 12, 2018
Expiration date	September 30, 2023
Address	St. Paul, MO 63366
Receiving water	Whites Branch
Subwatershed	Cuivre River (HUC 071100080411)
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

12Pollutants on file
10Under a numeric limit
5With 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
Oxygen, dissolved [DO]	0	10	2	July 31, 2012	100% over the limit
Nitrogen, ammonia total [as N]	4	2	2	August 31, 2021	156% over the limit
BOD, 5-day, 20 deg. C	2	2	2	March 31, 2026	2,685% over the limit
BOD, 5-day, percent removal	1	1	1	March 31, 2026	560% over the limit
Ammonia [as N] + unionized ammonia	0	1	1	June 30, 2012	9% over the limit
pH	2	0	0
Solids, total suspended	2	0	0
Nitrogen, total [as N]	2	0	0
Phosphorus, total [as P]	2	0	0
Flow, in conduit or thru treatment plant	2	0	0
E. coli	2	0	0
Solids, suspended percent removal	1	0	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 MO0132152.

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 MO0132152 there.

Nearby on the register

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

This public-records page covers the NPDES discharge permit MO0132152 for the DCSD RIVERDALE SUBDIVISION WWTP in St. Paul, MO, held by Duckett Creek Sanitary District and discharging to Whites Branch, with the permit listed as administratively continued. The page lists 10 as the figure for pollutants under a numeric limit and 5 as the figure for pollutants with an effluent exceedance.