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Clean Water Act discharge permit · NPDES TX0123579

CARBY ROAD MHP, Houston, TX: NPDES TX0123579 discharge permit, effluent exceedances, inspections, penalties

CARBY ROAD MHP, held by RITA LAURA REDOW KARBALAI, holds NPDES permit TX0123579, which discharges to Hcfcdd P118-23-00, Halls Bayou, Greens Bayou. EPA’s file records it issued April 9, 2018 and expiring April 9, 2023. 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 filedCARBY ROAD MHP
Permittee as filedRITA LAURA REDOW KARBALAI
NPDES IDTX0123579
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedApril 9, 2018
Expiration dateApril 9, 2023
AddressHouston, TX 77037
Receiving waterHCFCDD P118-23-00, HALLS BAYOU, GREENS BAYOU
SubwatershedHalls Bayou (HUC 120401040604)

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]31269February 28, 2021277% over the limit
Solids, total suspended31233May 31, 2026115% over the limit
BOD, carbonaceous [5 day, 20 C]31233January 31, 202538% over the limit
Flow, in conduit or thru treatment plant2663July 31, 2010205% over the limit
Chlorine, total residual2631February 28, 201125% over the limit
pH3620
Oxygen, dissolved [DO]1300
Chromium, sludge, total, dry weight [as Cr]5130
Arsenic, dry weight5100
E. coli280
Selenium, dry weight360
Copper, dry weight360
Cadmium, dry weight360
Molybdenum, sludge, total, dry weight [as Mo]360
Zinc, sludge, total, dry weight [as Zn]360
Lead, sludge, total, dry weight [as Pb]360
Nickel, sludge, total, dry weight [as Ni]360
Mercury, sludge, total, dry weight [as Hg]360
Level of pathogen requirements achieved250
Description of pathogen option used250
Vector attraction reduction alternative used250
Nickel, total [as Ni]240
Compliance w/part 258 sludge requirement130
Pollutant table from 503.13130
Polychlorinated biphenyls [PCBs]120
Toxicity characteristic leaching procedure120
Ann. amt sludge disposed by other method120
Annual amt of sludge incinerated120
Annual sludge production, total120
Annual amount of sludge land applied120
Annual amt. sludge disposed surface unit120
Annual amt sludge disposed in landfill120
Annual amt sludge transported interstate120
Unit w/liner/leachate collection system120
Boundary areas120
Fecal coliform110
Salmonella110
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

EPA’s single-event violation file, as loaded, holds no violation for NPDES TX0123579.

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, TX0123579.

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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 TX0123579 there.

Nearby on the register

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