Piqua WWTP
121 Bridge Street, Piqua, OH 45356 · Miami County · Publicly Owned Treatment Works
- Average flow
- 3.72 MGD
- Design flow
- 8.7 MGD
- NPDES permit
- OH0027049
- Effective
- Permit expires
- August 2027
- Population served
- 21,839
- CWNS 2022
Piqua WWTP is a publicly owned wastewater treatment works in Piqua, Miami County, Ohio treating an average of 3.72 million gallons per day against a permitted design capacity of 8.7 MGD, serving about 21,839 residents. It discharges under NPDES permit OH0027049 (effective), which expires in August 2027, with 3 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Piqua WWTP.
Available with a free Klarifi account
See the full treatment train at Piqua WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 3
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Piqua WWTP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Piqua WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Covington · 7 mi away
0.4 MGD
Troy · 8 mi away
5.28 MGD
Sidney · 8 mi away
0.04 MGD
Sidney · 8 mi away
0.01 MGD
Pleasant Hill · 9 mi away
0.06 MGD
Bradford · 10 mi away
0.26 MGD
Sidney · 11 mi away
4.66 MGD
West Milton · 13 mi away
0.72 MGD
Piqua 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 · Significant industrial user · WWTP · all terms