Matthews Wwtp, Town Of
Cr 1050 S & Wheeling Pike, Matthews, IN 46957 · Grant County · Publicly Owned Treatment Works
- Average flow
- 0.11 MGD
- Design flow
- 0.11 MGD
- NPDES permit
- IN0040321
- Effective
- Permit expires
- December 2027
- Population served
- 732
- CWNS 2022
Matthews Wwtp, Town Of is a publicly owned wastewater treatment works in Matthews, Grant County, Indiana treating an average of 0.11 million gallons per day against a permitted design capacity of 0.11 MGD, serving about 732 residents. It discharges under NPDES permit IN0040321 (effective), which expires in December 2027, with 2 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Matthews Wwtp, Town Of.
Available with a free Klarifi account
See the full treatment train at Matthews Wwtp, Town Of: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 2
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Matthews Wwtp, Town Of, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Matthews Wwtp, Town Of, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Indiana
Gaston · 4 mi away
0.0043 MGD
Upland · 4 mi away
0.43 MGD
Hartford City · 4 mi away
0.01 MGD
Gaston · 6 mi away
0.18 MGD
Hartford City · 7 mi away
1.18 MGD
Fairmount · 8 mi away
0.46 MGD
Gas City · 8 mi away
0.82 MGD
Eaton · 8 mi away
0.2 MGD
Matthews Wwtp, Town Of: 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 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms