Piedmont Processing
Piedmont, MO · Wayne County · Publicly Owned Treatment Works
- Average flow
- 0.38 MGD
- Design flow
- —
- NPDES permit
- MO0047341
- Administratively continued
- Permit expires
- December 2024
- Population served
- 3,550
- CWNS 2022
Piedmont Processing is a publicly owned wastewater treatment plant in Piedmont, Wayne County, Missouri treating an average of 0.38 million gallons per day, serving about 3,550 residents. Treatment on site includes biological treatment, other, biosolids aerobic digestion, disinfection, uv, flow equalization, screening. It discharges under NPDES permit MO0047341 (administratively continued), which expires in December 2024, with 27 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Biological Treatment, Other
unit processBiosolids Aerobic Digestion
unit processDisinfection, UV
unit processFlow Equalization
unit processScreening
unit processUnlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 27
- Effluent violations
- 27
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Piedmont Processing, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Piedmont Processing, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Missouri
Piedmont · 4 mi away
0.001 MGD
Ellsinore · 14 mi away
0.02 MGD
Greenville · 14 mi away
0.03 MGD
Williamsville · 15 mi away
0.05 MGD
Annapolis · 16 mi away
—
Ellington · 16 mi away
0.14 MGD
Van Buren · 18 mi away
0.11 MGD
Van Buren · 19 mi away
—
Piedmont Processing: 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 September 11, 2026; facility record last updated June 18, 2026.