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Clean Water Act discharge permit · NPDES TX0139815

CITY OF TROY WWTP, Troy, TX: NPDES TX0139815 discharge permit, effluent exceedances, inspections, penalties

CITY OF TROY WWTP, held by TROY, CITY OF, holds NPDES permit TX0139815, which discharges to Little River. EPA’s file records it issued April 8, 2021 and expiring April 8, 2026. 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 filedCITY OF TROY WWTP
Permittee as filedTROY, CITY OF
NPDES IDTX0139815
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
IssuedApril 8, 2021
Expiration dateApril 8, 2026
AddressTroy, TX 76579
Receiving waterLittle River
SubwatershedPecan Creek-Big Elm Creek (HUC 120702040201)

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]38686July 31, 20261,298% over the limit
Solids, total suspended31919June 30, 2025273% over the limit
BOD, carbonaceous [5 day, 20 C]31313June 30, 2025233% over the limit
Flow, in conduit or thru treatment plant233June 30, 202697% over the limit
Oxygen, dissolved [DO]133October 31, 202347% over the limit
E. coli222June 30, 2023507% over the limit
pH200
Chlorine, total residual200

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
March 3, 2026Permit Violations - Violation Specified in CommentST6
September 13, 2023Permit Violations - Violation Specified in CommentST6
October 26, 2022Permit Violations - Violation Specified in CommentST6

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, TX0139815.

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

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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 TX0139815 there.

Nearby on the register

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