Clean Water Act discharge permit · NPDES MO0121223

STONE'S MOBILE HOME AND RV PARK WWTF, Spokane, MO: NPDES MO0121223 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
7Pollutants under a numeric limit
0Pollutants with an effluent exceedance

STONE'S MOBILE HOME AND RV PARK WWTF, held by Masters Group LLC, holds NPDES permit MO0121223, which discharges to 8-20-13 Mudd V1.0. EPA’s file records it issued June 21, 2016 and expiring December 31, 2020. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	STONE'S MOBILE HOME AND RV PARK WWTF
Permittee as filed	Masters Group LLC
NPDES ID	MO0121223
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	June 21, 2016
Expiration date	December 31, 2020
Issuing agency	MODNR-Water Protection Program
Address	Spokane, MO 65754
Receiving water	8-20-13 MUDD V1.0
Subwatershed	Goff Creek (HUC 110100020501)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

7Pollutants on file
7Under a numeric limit
7With a violation of any kind
0With 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
Nitrogen, ammonia total [as N]	6	4
BOD, 5-day, 20 deg. C	2	4
pH	2	4
Solids, total suspended	2	4
Nitrogen, nitrate total [as N]	2	4
Flow, in conduit or thru treatment plant	2	4
E. coli	2	4

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MO0121223.

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 MO0121223.

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 MO0121223 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers NPDES permit MO0121223 for STONE'S MOBILE HOME AND RV PARK WWTF in Spokane, MO, held by Masters Group LLC, which discharges to 8-20-13 MUDD V1.0 in the Goff Creek subwatershed (HUC 110100020501). The permit is listed as Effective, issued June 21, 2016 and expiring December 31, 2020, with a Minor discharger class. The file lists 7 pollutants on file, 7 under a numeric limit, 7 with a violation of any kind, and 0 with an effluent exceedance.