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Clean Water Act discharge permit · NPDES TX0027782

CITY OF RIO HONDO WWTP, Rio Hondo, TX: NPDES TX0027782 discharge permit, effluent exceedances, inspections, penalties

CITY OF RIO HONDO WWTP, held by RIO HONDO, CITY OF, holds NPDES permit TX0027782, which discharges to Arroyo Colorado. EPA’s file records it issued March 31, 2016 and expiring June 1, 2020. 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 filedCITY OF RIO HONDO WWTP
Permittee as filedRIO HONDO, CITY OF
NPDES IDTX0027782
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
IssuedMarch 31, 2016
Expiration dateJune 1, 2020
AddressRio Hondo, TX 78583
Receiving waterARROYO COLORADO
SubwatershedLine V Canal-Arroyo Colorado (HUC 121102080700)

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
Enterococci29961February 28, 202556,651% over the limit
Solids, total suspended38818April 30, 2025760% over the limit
Flow, in conduit or thru treatment plant26715April 30, 201039,172% over the limit
BOD, 5-day, 20 deg. C3727April 30, 20251,025% over the limit
Chlorine, total residual2517July 31, 202090% over the limit
pH3492May 31, 2019
Arsenic, dry weight5250
Chromium, sludge, total, dry weight [as Cr]5250
Oxygen, dissolved [DO]1200
Selenium, dry weight3150
Copper, dry weight3150
Cadmium, dry weight3150
Molybdenum, sludge, total, dry weight [as Mo]3150
Zinc, sludge, total, dry weight [as Zn]3150
Lead, sludge, total, dry weight [as Pb]3150
Nickel, sludge, total, dry weight [as Ni]3150
Mercury, sludge, total, dry weight [as Hg]3150
Nickel, total [as Ni]2100
Level of pathogen requirements achieved2100
Description of pathogen option used2100
Vector attraction reduction alternative used2100
Compliance w/part 258 sludge requirement170
Ann. amt sludge disposed by other method160
Annual amt of sludge incinerated160
Annual sludge production, total160
Annual amount of sludge land applied160
Annual amt. sludge disposed surface unit160
Annual amt sludge disposed in landfill160
Annual amt sludge transported interstate160
Fecal coliform150
Polychlorinated biphenyls [PCBs]150
Toxicity characteristic leaching procedure150
Unit w/liner/leachate collection system150
Boundary areas150
Salmonella150
Pollutant table from 503.13150
Annual whole sludge application rate100

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 6, 2025Permit Violations - Violation Specified in CommentST6
April 11, 2024Permit Violations - Violation Specified in CommentST6
June 19, 2019Permit 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.

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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 TX0027782 there.

Nearby on the register

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