Palmyra WWTP
Hwy 61, Palmyra, Palmyra, MO 63461 · Marion County · Publicly Owned Treatment Works
- Average flow
- 0.34 MGD
- Design flow
- —
- NPDES permit
- MO0099457
- Administratively continued
- Permit expires
- June 2024
- Population served
- 3,606
- CWNS 2022
Palmyra WWTP is a publicly owned wastewater treatment works in Palmyra, Marion County, Missouri treating an average of 0.34 million gallons per day, serving about 3,606 residents. It discharges under NPDES permit MO0099457 (administratively continued), which expires in June 2024, with 6 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Palmyra WWTP.
Available with a free Klarifi account
See the full treatment train at Palmyra WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 6
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Palmyra WWTP.
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Nearby wastewater treatment plants in Missouri
Hannibal · 10 mi away
0.01 MGD
Hannibal · 11 mi away
3.71 MGD
Philadelphia · 12 mi away
0.0053 MGD
La Grange · 15 mi away
0.12 MGD
New London · 16 mi away
0.07 MGD
Monroe City · 17 mi away
0.44 MGD
Center · 20 mi away
0.06 MGD
Canton · 21 mi away
0.77 MGD
Palmyra 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 4, 2024.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms