Uniondale WWTP
County Road 100 W & 550 N, Uniondale, IN 46791 · Wells County · Publicly Owned Treatment Works
- Average flow
- 0.01 MGD
- Design flow
- 0.02 MGD
- NPDES permit
- IN0051098
- Effective
- Permit expires
- May 2028
- Population served
- 271
- CWNS 2022
Uniondale WWTP is a publicly owned wastewater treatment works in Uniondale, Wells County, Indiana treating an average of 0.01 million gallons per day against a permitted design capacity of 0.02 MGD, serving about 271 residents. It discharges under NPDES permit IN0051098 (effective), which expires in May 2028, with 2 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Uniondale WWTP.
Treatment structure data not yet analyzed for this facility.
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 Uniondale WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Uniondale WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Indiana
Ossian · 5 mi away
0.69 MGD
Markle · 5 mi away
0.14 MGD
Bluffton · 6 mi away
1.81 MGD
Roanoke · 12 mi away
0.17 MGD
Warren · 14 mi away
0.37 MGD
Huntington · 15 mi away
4.95 MGD
Decatur · 16 mi away
1.83 MGD
Huntington · 17 mi away
0.0063 MGD
Uniondale 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 September 22, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms