Clean Water Act discharge permit · NPDES MO0135933

MDNR STOCKTON STATE PARK WWTF, Dadeville, MO: NPDES MO0135933 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
5Pollutants with an effluent exceedance

MDNR STOCKTON STATE PARK WWTF, held by MDNR, Division of State Parks, holds NPDES permit MO0135933, which discharges to Stockton Lake. EPA’s file records it issued January 15, 2019 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	MDNR STOCKTON STATE PARK WWTF
Permittee as filed	MDNR, Division of State Parks
NPDES ID	MO0135933
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	January 15, 2019
Expiration date	September 30, 2023
Address	Dadeville, MO 65635
Receiving water	Stockton Lake
Subwatershed	Googer Creek-Sac River (HUC 102901060702)
SIC	4952 – Sewerage Systems
Other EPA IDs (FRS)	RCRA handler MOP000009225

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

10Pollutants on file
0Under a numeric limit
10With 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	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Nitrogen, ammonia total [as N]	15	9	December 31, 2017	672% over the limit
pH	9	3	December 31, 2017
BOD, 5-day, 20 deg. C	15	2	April 30, 2014	60% over the limit
Solids, total suspended	15	2	April 30, 2014	967% over the limit
Solids, suspended percent removal	57	1	May 31, 2014	60% over the limit
BOD, 5-day, percent removal	56	0
Oil and grease [soxhlet extr.] tot.	6	0
Nitrogen, nitrate total [as N]	6	0
Flow, in conduit or thru treatment plant	6	0
E. coli, colony forming units [CFU]	6	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
March 17, 2023	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 MO0135933 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES MO0135933, held by MDNR, Division of State Parks, for the MDNR STOCKTON STATE PARK WWTF in Dadeville, MO, which discharges to Stockton Lake. The permit is listed as administratively continued, a minor discharger class of 0, with 5 pollutants under a numeric limit and 5 pollutants with an effluent exceedance. Its file dates are issued January 15, 2019 and expiring September 30, 2023, as they stood when the record was loaded on October 14, 2026.