Clean Water Act discharge permit · NPDES MO0118265

BOULDERS SUBDIVISION WWTF, Osage Beach, MO: NPDES MO0118265 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
4Pollutants with an effluent exceedance

BOULDERS SUBDIVISION WWTF, held by The Boulders Property Association, holds NPDES permit MO0118265, which discharges to Lake Of The Ozarks. EPA’s file records it issued January 31, 2008 and expiring January 30, 2013. 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	BOULDERS SUBDIVISION WWTF
Permittee as filed	The Boulders Property Association
NPDES ID	MO0118265
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 31, 2008
Expiration date	January 30, 2013
Issuing agency	MODNR-Water Protection Program
Address	Osage Beach, MO 65065
Receiving water	Lake of the Ozarks
Receiving water impaired	303(D) Listed
Subwatershed	Linn Creek-Lake of the Ozarks (HUC 102901090401)

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

Effluent limits and exceedances

11Pollutants on file
9Under a numeric limit
10With 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
BOD, 5-day, 20 deg. C	2	7	5	December 31, 2009	99,999% over the limit
Chlorine, total residual	6	8	4	June 30, 2016	216% over the limit
Ammonia [as N] + unionized ammonia	4	2	2	June 30, 2011	72% over the limit
Coliform, fecal general	6	1	1	April 30, 2007	99,999% over the limit
pH	2	4	0
Solids, total suspended	2	4	0
Flow, in conduit or thru treatment plant	2	4	0
E. coli, colony forming units [CFU]	2	2	0
Oxygen, dissolved [DO]	0	2	0
Nitrogen, ammonia total [as N]	0	2	0
Temperature, water deg. centigrade	2	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 MO0118265.

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 MO0118265 there.

Nearby on the register

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

This public-records page covers NPDES permit MO0118265 for the Boulders Subdivision WWTF in Osage Beach, MO, held by The Boulders Property Association and discharging to Lake Of The Ozarks, with the permit listed as administratively continued. The page lists a discharger class of 9, 4 pollutants under a numeric limit, and 4 pollutants with an effluent exceedance.