Neosho WWTP
2201 Scenic Road, Neosho, MO 64850 · Newton County · Publicly Owned Treatment Works
- Average flow
- 1.89 MGD
- Design flow
- —
- NPDES permit
- MO0104906
- Administratively continued
- Permit expires
- April 2022
- Population served
- 29,000
- CWNS 2022
Neosho WWTP is a publicly owned wastewater treatment works in Neosho, Newton County, Missouri treating an average of 1.89 million gallons per day, serving about 29,000 residents. It discharges under NPDES permit MO0104906 (administratively continued), which expires in April 2022, with 30 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in July 2021.
Treatment technology
12 treatment structures and unit processes identified at Neosho WWTP.
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See the full treatment train at Neosho WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 30
- Effluent violations
- 30
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Neosho WWTP in EPA's ICIS system.
- Formal actions
- 1
- 1 since FY2020
- Penalties assessed
- $3,700
- all cases
- EPA inspections
- 0
- none on record
Latest case · Jul 2021
City of Neosho
Administrative order · CWA, Sewage Sludge Disposal · Default Order With Penalty · Penalty $3,700
EPA's description of the case:
“Facility did not meet SOUR VAR for 3 out of 4 quarters in 2019 1st = VAR Noncompliance - 1.8 - 34 tons 2nd = VAR Noncompliance - 1.8 - 84 tons 3rd = VAR Noncompliance -2 - 57 Tons 4th -Compliant…”
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Source: EPA ECHO, civil enforcement case 07-2021-0033.
Full case history with a free Klarifi account
Every action against Neosho WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
3 verified contacts for Neosho WWTP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Neosho WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Missouri
Granby · 7 mi away
0.67 MGD
Goodman · 10 mi away
0.06 MGD
Stella · 13 mi away
—
Joplin · 15 mi away
5.66 MGD
Wentworth · 18 mi away
0.01 MGD
Anderson · 18 mi away
0.33 MGD
Joplin · 18 mi away
9.49 MGD
Sarcoxie · 19 mi away
0.09 MGD
Neosho 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 12, 2026; facility record last updated September 13, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms