Piedmont Industrial Park
Highway 49 North, Piedmont, MO 63957 · Wayne County · Publicly Owned Treatment Works
- Average flow
- 0.02 MGD
- Design flow
- —
- NPDES permit
- MO0117129
- Administratively continued
- Permit expires
- December 2024
- Population served
- 300
- CWNS 2022
Piedmont Industrial Park is a publicly owned wastewater treatment plant in Piedmont, Wayne County, Missouri treating an average of 0.02 million gallons per day, serving about 300 residents. It discharges under NPDES permit MO0117129 (administratively continued), which expires in December 2024, with 55 recorded violations in the last three years.
Treatment technology
4 treatment structures and unit processes identified at Piedmont Industrial Park.
Available with a free Klarifi account
See the full treatment train at Piedmont Industrial Park: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 55
- Effluent violations
- 29
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Piedmont Industrial Park.
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Nearby wastewater treatment plants in Missouri
Piedmont · 4 mi away
0.39 MGD
Annapolis · 12 mi away
—
Greenville · 14 mi away
0.03 MGD
Ellington · 15 mi away
0.17 MGD
Williamsville · 17 mi away
0.1 MGD
Ellsinore · 18 mi away
0.02 MGD
Van Buren · 21 mi away
0.1 MGD
Van Buren · 22 mi away
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Piedmont Industrial Park: 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 May 2, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms