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White Oak WWTP

Houston, TX 77087 · Harris County · Publicly Owned Treatment Works

Average flow
4.42 MGD
Design flow
4 MGD
NPDES permit
TX0057347
Effective
Permit expires
January 2027
Population served
17,652
CWNS 2022

White Oak WWTP is a publicly owned wastewater treatment works in Houston, Harris County, Texas treating an average of 4.42 million gallons per day against a permitted design capacity of 4 MGD, serving about 17,652 residents. It discharges under NPDES permit TX0057347 (effective), which expires in January 2027, with 13 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in April 2021.

Treatment technology

One treatment structure or unit process identified at White Oak WWTP.

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Compliance snapshot (last 3 years)

Total violations
13
Effluent violations
13

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

EPA enforcement history

Federal civil enforcement cases, compliance inspections and informal actions recorded for White Oak WWTP in EPA's ICIS system.

Formal actions
1
0 since FY2020
Penalties assessed
$4.4M
all cases
Compliance actions
$2,000M
required by EPA orders
EPA inspections
0
none on record

Latest case · Apr 2021

Houston, City of

Judicial case · CWA, NPDES Permit Violations · Final Order With Penalty · Penalty $4.4M · Compliance actions $2,000M · The case also names 35 other plants, and its amounts cover all of them

EPA's description of the case:

“City of Houston was issued the Consent Decree for both permit effluent violations and Sanitary Sewer Overflows.”

Source: EPA ECHO, civil enforcement case 06-2010-1780.

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Every action against White Oak WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.

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Capital improvement projects in Houston

Houston's capital improvement plan lists 22 water, sewer and wastewater line items worth $1.3B starting 2025–2025. The largest budgeted items are shown here.

All water and sewer capital projects in Houston →

ProjectBudgetYears
Wastewater Treatment Plant Improvements$353,943,2002025–2025
Wastewater Treatment Plant Consolidation$166,807,0002025–2025
Surface Water Transmission Program$132,740,1442025–2025
Neighborhood Sewer Rehab Program$96,000,0002025–2025
Pump Station Program$87,851,6002025–2025

Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.

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Key contacts

39 verified contacts for White Oak WWTP, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at White Oak WWTP, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Texas

Woodland Oaks WWTP

Houston · 1 mi away

0.33 MGD

Harris County Mud 23 WWTP

Houston · 1 mi away

0.57 MGD

Harris County Mud 119 WWTP

Houston · 1 mi away

0.12 MGD

Harris County Mud 6 WWTP

Houston · 2 mi away

0.43 MGD

Harris County Mud 366 WWTP

Houston · 2 mi away

0.15 MGD

Rolling Fork Pud WWTP

Houston · 2 mi away

0.37 MGD

Willowood WWTP

Houston · 3 mi away

3 MGD

Northwest WWTP

Houston · 3 mi away

19.83 MGD

White Oak WWTP: frequently asked questions

Sources and methodology

Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.

Data refreshed October 26, 2026; facility record last updated May 26, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms


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