Clean Water Act discharge permit · NPDES MO0139033

LAKE RIDGE BAY SUBDIVISION WWTP, Warsaw, MO: NPDES MO0139033 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
7Pollutants under a numeric limit
4Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

LAKE RIDGE BAY SUBDIVISION WWTP, held by Lake Ridge Bay POA, holds NPDES permit MO0139033, which discharges to Lake Of The Ozarks. EPA’s file records it issued July 1, 2019 and expiring September 30, 2021.

LAKE RIDGE BAY SUBDIVISION WWTP, Warsaw, Missouri: Individual permit MO0139033, held by Lake Ridge Bay POA; Administratively continued (past its expiration date and still in force until reissued); issued July 1, 2019, term to September 30, 2021; discharges to Lake of the Ozarks.

Nitrogen, ammonia total [as N]: 2 limits, 4 violations of any kind, 4 effluent exceedances, latest March 31, 2025, largest 319% over the limit.
E. coli: 2 limits, 2 violations of any kind, 2 effluent exceedances, latest September 30, 2019, largest 99,999% over the limit.
BOD, 5-day, 20 deg. C: 2 limits, 1 violation of any kind, 1 effluent exceedance, latest September 30, 2019, largest 93% over the limit.
Solids, total suspended: 2 limits, 1 violation of any kind, 1 effluent exceedance, latest September 30, 2019, largest 117% over the limit.
pH: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Chlorine, total residual: 2 limits, 0 violations of any kind, 0 effluent exceedances.

LAKE RIDGE BAY SUBDIVISION WWTP among its neighbors

EPA’s permit file holds 25 discharge permits in the Feaster Branch-Osage River subwatershed (HUC 102901090107), MO0139033 among them. Its county holds 95, 0 of them major permits; MO0139033 is a minor permit.

Other permits in the Feaster Branch-Osage River subwatershed (HUC 102901090107)

ANGLERS RETREAT ON MM HWY, Warsaw: MOG823214, minor permit, discharging to Tributary to White Branch, permit term to August 24, 2027
BENTON RIDGE WINERY AND CAMPGROUND, Warsaw: MOG823166, minor permit, discharging to Tributary to Feaster Branch, permit term to August 24, 2022
BRADEN PARK, Warsaw: MO0137090, minor permit, discharging to Lake of the Ozarks, permit term to January 31, 2020
COLD STORAGE, Warsaw: MORA30682, minor permit, discharging to Tributary to Lake of the Ozarks, permit term to February 7, 2027
COLD STORAGE, Warsaw: MORA30685, minor permit, discharging to Tributary to Lake of the Ozarks, permit term to February 7, 2027
COUNTRY LAKES RV RESORT, Warsaw: MOG823145, minor permit, discharging to Tributary to White Branch, permit term to August 24, 2027
DOUBLE M MOBILE COACH RANCH, Warsaw: MO0111139, minor permit, discharging to Tributary to Lake of the Ozarks, permit term to September 30, 2021
HIDDEN VALLEY, Warsaw: MO0139327, minor permit, discharging to Tributary to Lake of the Ozarks, permit term to July 31, 2027
LAKE HILLS PARK WWTP, Warsaw: MO0113794, minor permit, discharging to Tributary to Blue Branch, permit term to September 30, 2021
LAKE RIDGE BAY SUBDIVISION WWTP, Warsaw: MOGD00123, minor permit, discharging to Lake of the Ozarks, permit term to June 30, 2019

Identity

Facility as filed	LAKE RIDGE BAY SUBDIVISION WWTP
Permittee as filed	Lake Ridge Bay POA
NPDES ID	MO0139033
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	July 1, 2019
Expiration date	September 30, 2021
Address	Warsaw, MO 65355
Receiving water	Lake of the Ozarks
Receiving water impaired	303(D) Listed
Subwatershed	Feaster Branch-Osage River (HUC 102901090107)
SIC	4952 – Sewerage Systems

Effluent limits and exceedances

7Pollutants on file
7Under a numeric limit
4With a violation of any kind
4With 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]	2	4	4	March 31, 2025	319% over the limit
E. coli	2	2	2	September 30, 2019	99,999% over the limit
BOD, 5-day, 20 deg. C	2	1	1	September 30, 2019	93% over the limit
Solids, total suspended	2	1	1	September 30, 2019	117% over the limit
pH	2	0	0
Flow, in conduit or thru treatment plant	2	0	0
Chlorine, total residual	2	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MO0139033.

Inspections

EPA’s inspection file holds no inspection for NPDES MO0139033.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES MO0139033.

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

This public-records page covers Clean Water Act discharge permit NPDES MO0139033 for the LAKE RIDGE BAY SUBDIVISION WWTP in Warsaw, MO, held by Lake Ridge Bay POA, with a status of administratively continued and a discharger class of Minor. The page lists 7 for discharger class, 4 pollutants under a numeric limit, and 4 pollutants with an effluent exceedance, with the receiving water given as Lake of the Ozarks, in subwatershed HUC 102901090107.