City Of Mertens WWTP
1300' E Fmr 308 And 3400' SE Of The Intx Of, Mertens, TX 76666 · Hill County · Publicly Owned Treatment Works
- Average flow
- 0.03 MGD
- 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 treating an average of 0.03 million gallons per day against a permitted design capacity of 0.03 MGD, serving about 156 residents. It discharges under NPDES permit TX0133761 (effective), which expires in March 2029, with 160 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at City Of Mertens WWTP.
Available with a free Klarifi account
See the full treatment train at City Of Mertens WWTP: structures, unit processes and planned upgrades, with exact unit counts.
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.
No verified contacts on file yet
Klarifi verifies plant and municipal decision-makers continuously. Start a free trial to browse contacts at nearby plants and flag this one for verification.
Nearby wastewater treatment plants in Texas
Frost · 5 mi away
0.05 MGD
Milford · 6 mi away
0.0075 MGD
Italy · 8 mi away
0.24 MGD
Bynum · 9 mi away
0.0095 MGD
Malone · 9 mi away
0.03 MGD
Blooming Grove · 11 mi away
0.08 MGD
Penelope · 14 mi away
0.02 MGD
Hillsboro · 15 mi away
1.3 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 October 26, 2026; facility record last updated April 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms