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Clean Water Act discharge permit · NPDES MO0023191

WRIGHT CITY SOUTH WWTF, Wright City, MO: NPDES MO0023191 discharge permit, effluent exceedances, inspections, penalties

WRIGHT CITY SOUTH WWTF, held by Public Water Supply District No. 2, holds NPDES permit MO0023191, which discharges to Tributary To Peruque Creek. EPA’s file records it issued July 13, 2015 and expiring March 31, 2020. 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 filedWRIGHT CITY SOUTH WWTF
Permittee as filedPublic Water Supply District No. 2
NPDES IDMO0023191
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedJuly 13, 2015
Expiration dateMarch 31, 2020
AddressWright City, MO 63390
Receiving waterTributary to Peruque Creek
SubwatershedHeadwaters Peruque Creek (HUC 071100090101)
SIC4952 – 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

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Nitrogen, ammonia total [as N]411978November 30, 2024500% over the limit
Ammonia [as N] + unionized ammonia02723April 30, 2015233% over the limit
BOD, 5-day, percent removal01515November 30, 2024567% over the limit
BOD, 5-day, 20 deg. C33314March 31, 2024655% over the limit
Solids, total suspended32014April 30, 2024300% over the limit
E. coli266April 30, 20183,050% over the limit
pH273October 31, 2018
Oil and grease [soxhlet extr.] tot.282March 31, 201640% over the limit
Phosphorus, total [as P]440
Nitrogen, Kjeldahl, total [as N]040
Nitrite + Nitrate total [as N]040
Coliform, fecal general040
Nitrogen, total [as N]400
Flow, in conduit or thru treatment plant200

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

DateWhat EPA recordedAgency
July 9, 2024Effluent Violations - Numeric effluent violationST6
April 3, 2024Effluent Violations - Numeric effluent violationST6
April 4, 2023Effluent Violations - Numeric effluent violationST6
October 19, 2022Effluent Violations - Numeric effluent violationST6
June 30, 2022Effluent Violations - Numeric effluent violationST6
July 15, 2021Effluent Violations - Numeric effluent violationST6
May 5, 2021Reporting Violations - Improper/ Incorrect ReportingST6
August 10, 2020Effluent Violations - Numeric effluent violationST6
June 29, 2020Effluent Violations - Numeric effluent violationST6
July 6, 2017Reporting Violations - Improper/ Incorrect ReportingST6
March 21, 2017Reporting Violations - Improper/ Incorrect ReportingST6

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 MO0023191 there.

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit MO0023191 for the WRIGHT CITY SOUTH WWTF, held by Public Water Supply District No. 2, which discharges to Tributary To Peruque Creek. The permit is administratively continued, carries a Minor Discharger class, and lists 9 pollutants under a numeric limit and 8 pollutants with an effluent exceedance.