Clean Water Act discharge permit · NPDES MO0090956

MURPHY ANN APARTMENTS WWTP, High Ridge, MO: NPDES MO0090956 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
8Pollutants under a numeric limit
6Pollutants with an effluent exceedance

MURPHY ANN APARTMENTS WWTP, held by Bossert Enterprises, Inc., holds NPDES permit MO0090956, which discharges to Saline Cr.. EPA’s file records it issued October 12, 2007 and expiring October 11, 2012. 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	MURPHY ANN APARTMENTS WWTP
Permittee as filed	Bossert Enterprises, Inc.
NPDES ID	MO0090956
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	October 12, 2007
Expiration date	October 11, 2012
Issuing agency	MODNR-Water Protection Program
Address	High Ridge, MO 63049
Receiving water	Saline Cr.
Subwatershed	Sugar Creek-Meramec River (HUC 071401021003)

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

Effluent limits and exceedances

10Pollutants on file
8Under a numeric limit
6With a violation of any kind
6With 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]	0	13	13	June 30, 2017	934% over the limit
BOD, 5-day, 20 deg. C	2	5	5	June 30, 2010	90% over the limit
E. coli, colony forming units [CFU]	0	2	2	June 30, 2016	773% over the limit
pH	2	1	1	December 31, 2014
Solids, total suspended	2	1	1	June 30, 2016	7% over the limit
Coliform, fecal general	2	1	1	June 30, 2010	100% over the limit
Chlorine, total residual	4	0	0
Temperature, water deg. fahrenheit	2	0	0
Flow, in conduit or thru treatment plant	2	0	0
Ammonia [as N] + unionized ammonia	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 MO0090956.

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 MO0090956 there.

Nearby on the register

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

This public-records page covers NPDES permit MO0090956 for the MURPHY ANN APARTMENTS WWTP in High Ridge, MO, held by Bossert Enterprises, Inc., which discharges to Saline Cr. and lists an issue date of October 12, 2007 and an expiration date of October 11, 2012, with status administratively continued. The file records 10 pollutants on file, 8 under a numeric limit, and 6 with an effluent exceedance.