Laddonia WWTF
Laddonia, MO 63352 · Audrain County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- —
- NPDES permit
- MO0039683
- Expired
- Permit expires
- March 2026
- Population served
- 579
- CWNS 2022
Laddonia WWTF is a publicly owned wastewater treatment works in Laddonia, Audrain County, Missouri, serving about 579 residents. It discharges under NPDES permit MO0039683 (expired), which expires in March 2026, with 0 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Laddonia WWTF.
Available with a free Klarifi account
See the full treatment train at Laddonia WWTF: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Laddonia WWTF.
No verified contacts on file yet
Klarifi verifies plant and municipal decision-makers continuously. Start a free trial to browse contacts at nearby plants and flag this one for verification.
Nearby wastewater treatment plants in Missouri
Farber · 5 mi away
—
Benton City · 9 mi away
0.0015 MGD
Vandalia · 11 mi away
1.84 MGD
Mexico · 13 mi away
—
Wellsville · 13 mi away
0.39 MGD
Perry · 14 mi away
0.13 MGD
Middletown · 15 mi away
0.03 MGD
Curryville · 18 mi away
0.0051 MGD
Laddonia WWTF: 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 15, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms