Ash Grove WWTP
Farm Rd 9/NW Of Ash Grove, Ash Grove, MO 65604 · Greene County · Publicly Owned Treatment Works
- Average flow
- 0.11 MGD
- Design flow
- —
- NPDES permit
- MO0023205
- Effective
- Permit expires
- March 2030
- Population served
- 1,404
- CWNS 2022
Ash Grove WWTP is a publicly owned wastewater treatment works in Ash Grove, Greene County, Missouri treating an average of 0.11 million gallons per day, serving about 1,404 residents. It discharges under NPDES permit MO0023205 (effective), which expires in March 2030, with 34 recorded violations in the last three years.
Treatment technology
6 treatment structures and unit processes identified at Ash Grove WWTP.
Available with a free Klarifi account
See the full treatment train at Ash Grove WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 34
- Effluent violations
- 6
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Ash Grove WWTP.
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
Everton · 6 mi away
0.02 MGD
Walnut Grove · 6 mi away
0.04 MGD
Morrisville · 13 mi away
0.04 MGD
Greenfield · 13 mi away
0.09 MGD
Springfield · 15 mi away
5 MGD
Greenfield · 15 mi away
0.05 MGD
Republic · 16 mi away
1.65 MGD
Miller · 16 mi away
0.21 MGD
Ash Grove 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 15, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms