Clean Water Act discharge permit · NPDES MO0131423

WILLOW HEIGHTS WWTF, Jackson, MO: NPDES MO0131423 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
8Pollutants under a numeric limit
9Pollutants with an effluent exceedance

WILLOW HEIGHTS WWTF, held by Willow Heights POA, holds NPDES permit MO0131423, which discharges to Tributary To Randol Creek. EPA’s file records it issued May 23, 2017 and expiring May 31, 2022. 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	WILLOW HEIGHTS WWTF
Permittee as filed	Willow Heights POA
NPDES ID	MO0131423
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	May 23, 2017
Expiration date	May 31, 2022
Address	Jackson, MO 63755
Receiving water	Tributary to Randol Creek
Subwatershed	Williams Creek (HUC 071401070601)
SIC	8641 – Civic And Social Associations

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

12Pollutants on file
8Under a numeric limit
9With a violation of any kind
9With 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	2	47	47	December 31, 2016	1,000% over the limit
Ammonia [as N] + unionized ammonia	0	33	33	August 31, 2015	1,464% over the limit
E. coli, colony forming units [CFU]	0	20	20	October 31, 2015	31,646% over the limit
Oxygen, dissolved [DO]	2	13	13	June 30, 2026	70% over the limit
BOD, 5-day, 20 deg. C	2	12	12	December 31, 2007	317% over the limit
Coliform, fecal general	0	8	8	May 31, 2008	1,800% over the limit
Solids, total suspended	2	7	7	April 30, 2019	60% over the limit
E. coli	2	4	4	June 30, 2026	1,821% over the limit
Oil and grease [soxhlet extr.] tot.	0	2	2	July 31, 2008	405% over the limit
Nitrogen, ammonia total [as N]	4	0	0
pH	2	0	0
Flow, in conduit or thru treatment plant	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

2Single-event violations

Date	What EPA recorded	Agency
December 30, 2024	Effluent Violations - Numeric effluent violation	ST6
January 26, 2024	Effluent Violations - Numeric effluent violation	ST6

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.

Watch this permit

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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 MO0131423 there.

Nearby on the register

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

This public-records page covers NPDES permit MO0131423 for the WILLOW HEIGHTS WWTF in Jackson, MO, held by Willow Heights POA, which discharges to Tributary To Randol Creek and is listed as administratively continued. The page lists 9 pollutants under a numeric limit, 8 pollutants with an effluent exceedance, and 12 pollutants on file, of which 8 are under a numeric limit.