Troy WWTP
1400 Dye Mill Road, Troy, OH 45373 · Miami County · Publicly Owned Treatment Works
- Average flow
- 5.28 MGD
- Design flow
- 9 MGD
- NPDES permit
- OH0027758
- Effective
- Permit expires
- May 2027
- Population served
- 26,555
- CWNS 2022
Troy WWTP is a publicly owned wastewater treatment works in Troy, Miami County, Ohio treating an average of 5.28 million gallons per day against a permitted design capacity of 9 MGD, serving about 26,555 residents. It discharges under NPDES permit OH0027758 (effective), which expires in May 2027, with 10 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Troy WWTP.
Available with a free Klarifi account
See the full treatment train at Troy WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 10
- Effluent violations
- 6
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Troy
Troy's capital improvement plan lists 92 water, sewer and wastewater line items worth $22M starting 2025–2029. The largest budgeted items are shown here.
All water and sewer capital projects in Troy →
| Project | Budget | Years |
|---|---|---|
| Meters | $2,500,000 | 2025–2029 |
| Water Meters - Annual | $2,500,000 | 2025–2029 |
| Annual Water Line Improvements | $2,000,000 | 2026–2029 |
| Casstown Waterline Project | $1,500,000 | 2025–2025 |
| Chlorine Conversion Project | $1,375,000 | 2025–2025 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
1 verified contact for Troy WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Troy WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Piqua · 8 mi away
3.72 MGD
West Milton · 8 mi away
0.72 MGD
Pleasant Hill · 9 mi away
0.06 MGD
Union · 10 mi away
0.94 MGD
New Carlisle · 11 mi away
0.49 MGD
Covington · 11 mi away
0.4 MGD
Laura · 12 mi away
0.06 MGD
Englewood · 12 mi away
2.46 MGD
Troy 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 24, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms