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 IN0109592

THRALLS STATION REGIONAL SEWER DISTRICT, Vigo County, IN: NPDES IN0109592 discharge permit, effluent exceedances, inspections, penalties

THRALLS STATION REGIONAL SEWER DISTRICT, held by THRALLS STATION RSD (ST. MARY OF THE WOODS WWTP), holds NPDES permit IN0109592, which discharges to Wabash R Via Intermittent Stream. EPA’s file records it issued January 30, 2019 and expiring April 30, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedTHRALLS STATION REGIONAL SEWER DISTRICT
Permittee as filedTHRALLS STATION RSD (ST. MARY OF THE WOODS WWTP)
NPDES IDIN0109592
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
IssuedJanuary 30, 2019
Expiration dateApril 30, 2024
Issuing agencyIDEM
AddressVigo County, IN 47876
Receiving waterWABASH R VIA INTERMITTENT STREAM
SubwatershedIzaak Walton Lake-Wabash River (HUC 051201110605)

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
Nitrogen, ammonia total [as N]8476436May 31, 20242,333% over the limit
Solids, total suspended4162106September 30, 2011894% over the limit
Oxygen, dissolved [DO]2110100July 31, 2012100% over the limit
BOD, carbonaceous [5 day, 20 C]47927May 31, 2011131% over the limit
E. coli, colony forming units [CFU]3266October 31, 201299,999% over the limit
pH2333April 30, 2009
Flow, in conduit or thru treatment plant1270
Chlorine, total residual0160
Flow, total1100
Flow, wastewater by-passing trtmnt plant040
Number of Events200

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES IN0109592.

Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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, IN0109592.

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 IN0109592 there.

Nearby on the register

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