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Clean Water Act discharge permit · NPDES MO0140422

CASTOR RIVER RANCH CAMPGROUND WWTF, Marquand, MO: NPDES MO0140422 discharge permit, effluent exceedances, inspections, penalties

CASTOR RIVER RANCH CAMPGROUND WWTF, held by CASTOR RIVER RANCH, LLC, holds NPDES permit MO0140422, which discharges to Tributary To Castor R.. EPA’s file records it issued June 26, 2025 and expiring June 30, 2030. 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.

What the register holds for CASTOR RIVER RANCH CAMPGROUND WWTF: its NPDES ID, its permit type and status, its dates, its address in Marquand, Missouri, its receiving water, and 1 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MO0140422.

Identity

Facility as filedCASTOR RIVER RANCH CAMPGROUND WWTF
Permittee as filedCASTOR RIVER RANCH, LLC
NPDES IDMO0140422
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 26, 2025
Expiration dateJune 30, 2030
AddressMarquand, MO 63655
Receiving waterTributary to Castor R.
SubwatershedWash Creek-Castor River (HUC 071401070204)
SIC7033 – Trailer Parks And Campsites

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

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Flow, in conduit or thru treatment plant1600

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MO0140422.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES MO0140422.

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 MO0140422 there.

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit MO0140422 for CASTOR RIVER RANCH CAMPGROUND WWTF in Marquand, MO, held by CASTOR RIVER RANCH, LLC, with status Effective and discharger class Minor. The page lists 1 pollutant under a numeric limit and 0 pollutants with an effluent exceedance.