Clean Water Act discharge permit · NPDES MO0108146

MAWC SLEEPY HOLLOW ESTATES WWTF, Jefferson City, MO: NPDES MO0108146 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
8Pollutants under a numeric limit
2Pollutants with an effluent exceedance

MAWC SLEEPY HOLLOW ESTATES WWTF, held by Missouri-American Water Company, holds NPDES permit MO0108146, which discharges to Moreau R.. EPA’s file records it issued November 22, 2006 and expiring November 21, 2011. 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.

Identity

Facility as filed	MAWC SLEEPY HOLLOW ESTATES WWTF
Permittee as filed	Missouri-American Water Company
NPDES ID	MO0108146
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	November 22, 2006
Expiration date	November 21, 2011
Issuing agency	MODNR-Northeast Regional Office
Address	Jefferson City, MO 65101
Receiving water	Moreau R.
Subwatershed	Moreau River (HUC 103001021207)
SIC	4952 – Sewerage Systems

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

9Pollutants on file
8Under a numeric limit
2With a violation of any kind
2With 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
Chlorine, total residual	6	10	10	September 30, 2014	532% over the limit
Oxygen, dissolved [DO]	0	1	1	June 30, 2016	29% over the limit
Coliform, fecal general	4	0	0
Temperature, water deg. centigrade	2	0	0
BOD, 5-day, 20 deg. C	2	0	0
pH	2	0	0
Solids, total suspended	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 MO0108146.

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 MO0108146 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES MO0108146 for the MAWC SLEEPY HOLLOW ESTATES WWTF in Jefferson City, MO, held by Missouri-American Water Company, with status listed as administratively continued. The page lists 2 pollutants under a numeric limit and 2 pollutants with an effluent exceedance, and the permit's discharger class is listed as 8 and its subwatershed as HUC 103001021207.