Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES MO0034088

LAKE WAUWANOKA SUBDIVISION WWTP, Hillsboro, MO: NPDES MO0034088 discharge permit, effluent exceedances, inspections, penalties

LAKE WAUWANOKA SUBDIVISION WWTP, held by Lake Wauwanoka Sewer Company, holds NPDES permit MO0034088, which discharges to Dry Creek. EPA’s file records it issued January 3, 2018 and expiring March 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 filedLAKE WAUWANOKA SUBDIVISION WWTP
Permittee as filedLake Wauwanoka Sewer Company
NPDES IDMO0034088
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJanuary 3, 2018
Expiration dateMarch 31, 2022
AddressHillsboro, MO 63050
Receiving waterDry Creek
SubwatershedLower Joachim Creek (HUC 071401010804)
SIC6552 – Subdividers And Developers

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
E. coli2115December 31, 20245,662% over the limit
Nitrogen, ammonia total [as N]655June 30, 2024679% over the limit
BOD, 5-day, 20 deg. C211March 31, 202110% over the limit
pH211September 30, 2023
Solids, total suspended200
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
April 4, 2025Effluent Violations - Numeric effluent violationST6
December 20, 2024Reporting Violations - Improper/ Incorrect ReportingST6
December 20, 2024Effluent Violations - Numeric effluent violationST6
October 1, 2024Effluent Violations - Numeric effluent violationST6
December 29, 2023Effluent Violations - Numeric effluent violationST6
December 31, 2019Effluent Violations - Numeric effluent violationST6
June 5, 2017Permit Violations - Violation Specified in CommentST6
June 5, 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.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MO0034088.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

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 MO0034088 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 MO0034088 for the LAKE WAUWANOKA SUBDIVISION WWTP in Hillsboro, MO, held by Lake Wauwanoka Sewer Company, which discharges to Dry Creek in the Lower Joachim Creek subwatershed (HUC 071401010804). The permit is listed as administratively continued, a minor discharger class, with 4 pollutants under a numeric limit and 4 pollutants with an effluent exceedance.