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Clean Water Act discharge permit · NPDES TX0092584

HARRIS CO MUD 216 WWTP, Houston, TX: NPDES TX0092584 discharge permit, effluent exceedances, inspections, penalties

HARRIS CO MUD 216 WWTP, held by HARRIS COUNTY MUD NO 216, holds NPDES permit TX0092584, which discharges to Hcfcd Ditch W170-00-00, Buffalo Bay. EPA’s file records it issued August 29, 2017 and expiring May 1, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedHARRIS CO MUD 216 WWTP
Permittee as filedHARRIS COUNTY MUD NO 216
NPDES IDTX0092584
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
IssuedAugust 29, 2017
Expiration dateMay 1, 2022
AddressHouston, TX 77094
Receiving waterHCFCD DITCH W170-00-00, BUFFALO BAY
SubwatershedSpring Branch-Buffalo Bayou (HUC 120401040303)
SIC4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same 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]3159June 30, 202656% over the limit
Solids, total suspended3126February 28, 2025298% over the limit
E. coli284February 28, 2025397% over the limit
Flow, in conduit or thru treatment plant251August 31, 20176% over the limit
Chlorine, total residual251October 31, 200560% over the limit
BOD, carbonaceous [5 day, 20 C]360
pH340
Polychlorinated biphenyls [PCBs]130
Oxygen, dissolved [DO]120
Toxicity characteristic leaching procedure120
Ann. amt sludge disposed by other method120
Annual amt of sludge incinerated120
Annual amount of sludge land applied120
Annual amt. sludge disposed surface unit120
Annual amt sludge transported interstate120
Annual sludge production, total110
Annual amt sludge disposed in landfill110
Arsenic, dry weight500
Chromium, sludge, total, dry weight [as Cr]500
Selenium, dry weight300
Copper, dry weight300
Cadmium, dry weight300
Molybdenum, sludge, total, dry weight [as Mo]300
Zinc, sludge, total, dry weight [as Zn]300
Lead, sludge, total, dry weight [as Pb]300
Nickel, sludge, total, dry weight [as Ni]300
Mercury, sludge, total, dry weight [as Hg]300
Nickel, total [as Ni]200
Level of pathogen requirements achieved200
Description of pathogen option used200
Vector attraction reduction alternative used200
Fecal coliform100
Annual whole sludge application rate100
Unit w/liner/leachate collection system100
Compliance w/part 258 sludge requirement100
Boundary areas100
Salmonella100
Pollutant table from 503.13100

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
January 19, 2018Permit Violations - Violation Specified in CommentST6

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.

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Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act NPDES permit TX0092584 for HARRIS CO MUD 216 WWTP in Houston, TX, held by HARRIS COUNTY MUD NO 216, which discharges to HCFCD DITCH W170-00-00, BUFFALO BAY in the Spring Branch-Buffalo Bayou subwatershed (HUC 120401040303). The permit is listed as administratively continued, with a Minor Discharger class, 38 pollutants under a numeric limit, and 5 pollutants with an effluent exceedance.