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 MO0105856

YES BYRNES MILL, LLC WWTF, House Springs, MO: NPDES MO0105856 discharge permit, effluent exceedances, inspections, penalties

YES BYRNES MILL, LLC WWTF, held by Byrnes Mill Property LLC, holds NPDES permit MO0105856, which discharges to Tributary To Big R.. EPA’s file records it issued August 7, 2017 and expiring August 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 filedYES BYRNES MILL, LLC WWTF
Permittee as filedByrnes Mill Property LLC
NPDES IDMO0105856
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedAugust 7, 2017
Expiration dateAugust 31, 2022
AddressHouse Springs, MO 63051
Receiving waterTributary to Big R.
SubwatershedBig River (HUC 071401040407)
SIC6515 – Mobile Home Site Operators

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]4267235June 30, 20261,457% over the limit
E. coli2125113June 30, 202699,999% over the limit
BOD, 5-day, 20 deg. C25016April 30, 2021189% over the limit
Solids, total suspended2362September 30, 201236% over the limit
E. coli, colony forming units [CFU]022June 30, 2017135% over the limit
pH1471February 28, 2025
Flow, in conduit or thru treatment plant2340
Nitrogen, total [as N]2140
Phosphorus, total [as P]2140
Coliform, fecal general020

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
June 12, 2026Effluent Violations - Numeric effluent violationST6
March 16, 2026Effluent Violations - Numeric effluent violationST6
January 21, 2026Effluent Violations - Narrative Effluent ViolationST6
December 16, 2025Effluent Violations - Numeric effluent violationST6
December 4, 2024Effluent Violations - Numeric effluent violationST6
November 20, 2023Reporting Violations - Failure to Submit DMRsST6
March 1, 2023Effluent Violations - Numeric effluent violationST6
September 22, 2021Effluent Violations - Numeric effluent violationST6
June 17, 2021Effluent Violations - Numeric effluent violationST6
March 20, 2021Effluent Violations - Numeric effluent violationST6
July 31, 2020Effluent Violations - Numeric effluent violationST6
June 30, 2020Effluent Violations - Numeric effluent violationST6
January 18, 2019Effluent Violations - Numeric effluent violationST6
June 29, 2018Reporting Violations - Improper/ Incorrect ReportingST6
June 29, 2018Effluent Violations - Numeric effluent violationST6
February 15, 2018Reporting Violations - Failure to Submit DMRsST6
February 15, 2018Effluent Violations - Numeric effluent violationST6
February 15, 2018Effluent Violations - Narrative Effluent ViolationST6
July 6, 2017Effluent Violations - Numeric effluent violationST6

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, MO0105856.

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 MO0105856 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 Clean Water Act discharge permit NPDES MO0105856 for YES BYRNES MILL, LLC WWTF in House Springs, MO, which is listed as Effective and classed as a Minor Discharger. The page reports 6 pollutants under a numeric limit and 6 pollutants with an effluent exceedance, out of 10 pollutants on file, of which 8 are under a numeric limit and 10 have a violation of any kind.