Waco Metropolitan Area Regional Sewarge System
Waco, TX · Mclennan County · Publicly Owned Treatment Works
- Average flow
- 21.83 MGD
- Design flow
- 45 MGD
- NPDES permit
- TX0026506
- Effective
- Permit expires
- July 2030
- Population served
- 188,342
- CWNS 2022
Waco Metropolitan Area Regional Sewarge System is a publicly owned wastewater treatment plant in Waco, Mclennan County, Texas treating an average of 21.83 million gallons per day against a permitted design capacity of 45 MGD, serving about 188,342 residents. Treatment on site includes clarifiers, uncovered lagoons, biogas silos. It discharges under NPDES permit TX0026506 (effective), which expires in July 2030, with 48 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 48
- Effluent violations
- 48
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Waco
Waco's capital improvement plan lists 12 water, sewer and wastewater line items worth $290M starting 2025–2025. The largest budgeted items are shown here.
All water and sewer capital projects in Waco →
| Project | Budget | Years |
|---|---|---|
| Water Plant Improvements - Mt. Carmel, Riverside, DAF | $56,900,000 | 2025–2029 |
| WMARSS Bull Hide Creek Wastewater Treatment Plant Expansion | $35,000,000 | 2025–2025 |
| Water Pump and Storage Improvements | $34,700,000 | 2025–2027 |
| WMARSS Plant Improvements | $32,000,000 | 2025–2029 |
| Water Transmission Improvements | $29,500,000 | 2025–2029 |
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
39 verified contacts for Waco Metropolitan Area Regional Sewarge System, with validated emails and direct phone numbers.
Unlock 39 verified contacts (36 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Waco Metropolitan Area Regional Sewarge System, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Lorena · 10 mi away
1.61 MGD
Elm Mott · 11 mi away
0.07 MGD
Mart · 13 mi away
0.32 MGD
Marlin · 17 mi away
2.23 MGD
West · 20 mi away
0.52 MGD
Mount Calm · 20 mi away
0.002 MGD
Mcgregor · 21 mi away
—
Lott · 21 mi away
0.08 MGD
Waco Metropolitan Area Regional Sewarge System: 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 September 11, 2026; facility record last updated August 18, 2026.