City Of Mertens WWTP
Mertens, TX · Hill County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.03 MGD
- NPDES permit
- TX0133761
- Effective
- Permit expires
- March 2029
- Population served
- 156
- CWNS 2022
City Of Mertens WWTP is a publicly owned wastewater treatment works in Mertens, Hill County, Texas, serving about 156 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit TX0133761 (effective), which expires in March 2029, with 160 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 160
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at City Of Mertens WWTP.
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Nearby wastewater treatment plants in Texas
Frost · 5 mi away
0.05 MGD
Milford · 6 mi away
0.001 MGD
Italy · 8 mi away
0.21 MGD
Bynum · 9 mi away
0.01 MGD
Malone · 9 mi away
0.03 MGD
Blooming Grove · 11 mi away
0.09 MGD
Penelope · 14 mi away
0.02 MGD
Hillsboro · 15 mi away
1.1 MGD
City Of Mertens 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 September 11, 2026; facility record last updated April 6, 2025.