Lexington WWTP
44 West Main Street, Lexington, OH 44904 · Richland County · Publicly Owned Treatment Works
- Average flow
- 0.67 MGD
- Design flow
- 1.5 MGD
- NPDES permit
- OH0020257
- Effective
- Permit expires
- April 2031
- Population served
- 4,848
- CWNS 2022
Lexington WWTP is a publicly owned wastewater treatment works in Lexington, Richland County, Ohio treating an average of 0.67 million gallons per day against a permitted design capacity of 1.5 MGD, serving about 4,848 residents. It discharges under NPDES permit OH0020257 (effective), which expires in April 2031, with 1 recorded violation in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Lexington WWTP.
Available with a free Klarifi account
See the full treatment train at Lexington WWTP: 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.
Key contacts
Decision-makers at Lexington 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 Ohio
Mansfield · 7 mi away
10.98 MGD
Lucas · 9 mi away
0.13 MGD
Butler · 10 mi away
0.38 MGD
Mansfield · 12 mi away
0.001 MGD
Crestline · 13 mi away
0.94 MGD
Perrysville · 13 mi away
0.00091 MGD
Ashland · 13 mi away
0.0031 MGD
Galion · 13 mi away
2.55 MGD
Lexington 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 November 8, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms