Chelford City Regional Wastewater Treatment Plant
15027 Alief-Clodine Road, Houston, TX 77082 · Harris County · Publicly Owned Treatment Works
- Average flow
- 5.1 MGD
- Design flow
- 14 MGD
- NPDES permit
- TX0056481
- Effective
- Permit expires
- June 2027
- Population served
- 53,545
- CWNS 2022
Chelford City Regional Wastewater Treatment Plant is a publicly owned wastewater treatment works in Houston, Harris County, Texas treating an average of 5.1 million gallons per day against a permitted design capacity of 14 MGD, serving about 53,545 residents. It discharges under NPDES permit TX0056481 (effective), which expires in June 2027, with 1 recorded violation in the last three years. EPA has recorded 4 formal enforcement actions naming the plant, the latest in May 2025.
Treatment technology
One treatment structure or unit process identified at Chelford City Regional Wastewater Treatment Plant.
Available with a free Klarifi account
See the full treatment train at Chelford City Regional Wastewater Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
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 Chelford City Regional Wastewater Treatment Plant in EPA's ICIS system.
- Formal actions
- 4
- 1 since FY2020
- Penalties assessed
- $2,450
- all cases
- Compliance actions
- $4,705
- required by EPA orders
- EPA inspections
- 3
- latest Mar 2025
Latest case · May 2025
Chelford City Regional Wastewater Treatment Plant-Houston, TX-RMP ESA-FY 2025
Administrative order · CAA, Prevention of Accidental Release/Risk Management Plans (RMPs) · Final Order With Penalty · Penalty $400
EPA's description of the case:
“On October 5, 2024, EPA Risk Management Program Reporting Center sent a letter to Respondent, notifying Respondent of its failure to update the Risk Management Plan on file with EPA for its facility…”
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Source: EPA ECHO, civil enforcement case 06-2025-3368.
Full case history with a free Klarifi account
Every action against Chelford City Regional Wastewater Treatment Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
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 →
| Project | Budget | Years |
|---|---|---|
| Wastewater Treatment Plant Improvements | $353,943,200 | 2025–2025 |
| Wastewater Treatment Plant Consolidation | $166,807,000 | 2025–2025 |
| Surface Water Transmission Program | $132,740,144 | 2025–2025 |
| Neighborhood Sewer Rehab Program | $96,000,000 | 2025–2025 |
| Pump Station Program | $87,851,600 | 2025–2025 |
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.
Key contacts
Decision-makers at Chelford City Regional Wastewater Treatment Plant.
No verified contacts on file yet
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Chelford City Regional Wastewater Treatment Plant: 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 April 7, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms