Velarion Records
The Pay Desk is the free weekly executive pay briefing — one company at a time, every number traceable to a public filing.
You’ll confirm on The Pay Desk’s sign-up page.

Clean Water Act discharge permit · NPDES MO0128252

SCCPWSD #2 SYCAMORE CREEK WWTP, New Melle, MO: NPDES MO0128252 discharge permit, effluent exceedances, inspections, penalties

SCCPWSD #2 SYCAMORE CREEK WWTP, held by St. Charles County PWSD #2, holds NPDES permit MO0128252, which discharges to Tributary To Dardenne Creek. EPA’s file records it issued July 13, 2015 and expiring September 30, 2019. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedSCCPWSD #2 SYCAMORE CREEK WWTP
Permittee as filedSt. Charles County PWSD #2
NPDES IDMO0128252
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 dateSeptember 30, 2019
AddressNew Melle, MO 63385
Receiving waterTributary to Dardenne Creek
SubwatershedUpper Dardenne Creek (HUC 071100090103)

Cited to the EPA ICIS-NPDES permit file (ECHO 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
Chlorine, total residual21313June 30, 20164,900% over the limit
Nitrogen, ammonia total [as N]622June 30, 2019108% over the limit
BOD, 5-day, 20 deg. C322September 30, 2020150% over the limit
Solids, total suspended322June 30, 20212,650% over the limit
E. coli222September 30, 202181% over the limit
Coliform, fecal general040
Oxygen, dissolved [DO]200
pH200
Oil and grease [soxhlet extr.] tot.200
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
September 3, 2026Reporting Violations - Improper/ Incorrect ReportingST6
September 3, 2026Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
September 3, 2026Effluent Violations - Numeric effluent violationST6
September 15, 2020Effluent Violations - Numeric effluent violationST6
September 15, 2020Management Practice Violations - Improper Operation and MaintenanceST6

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, MO0128252.

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 MO0128252 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.