West Plains Pws-West Plains Treatment Plt
West Plains, MO · Howell County · Publicly Owned Treatment Works
- Average flow
- 1.46 MGD
- Design flow
- —
- NPDES permit
- MO0096610
- Administratively continued
- Permit expires
- March 2023
- Population served
- 12,290
- CWNS 2022
West Plains Pws-West Plains Treatment Plt is a publicly owned wastewater treatment works in West Plains, Howell County, Missouri treating an average of 1.46 million gallons per day, serving about 12,290 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches, attached growth, aerobic, biological treatment, other, biosolids aerobic digestion and other unit processes. It discharges under NPDES permit MO0096610 (administratively continued), which expires in March 2023, with 18 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Carrousels / oxidation ditches
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Attached Growth, Aerobic
unit processBiological Treatment, Other
unit processBiosolids Aerobic Digestion
unit processDisinfection, UV
unit processScreening
unit processUnlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 18
- Effluent violations
- 10
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in West Plains
West Plains's capital improvement plan lists 15 water, sewer and wastewater line items worth $40M starting 2025–2027. The largest budgeted items are shown here.
All water and sewer capital projects in West Plains →
| Project | Budget | Years |
|---|---|---|
| Wastewater Treatment Plant (WWTP) Phase 1 | $22,500,000 | 2025–2026 |
| Sewer Group 3 - Contract D Rehabilitation | $6,523,321 | 2026–2030 |
| Water Storage Upgrades | $3,130,000 | 2025–2026 |
| Wayhaven Booster Station and Painting | $1,500,000 | 2025–2026 |
| Aid Ave Booster Station | $1,450,000 | 2025–2026 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
4 verified contacts for West Plains Pws-West Plains Treatment Plt, with validated emails and direct phone numbers.
Unlock 4 verified contacts (1 more than shown)
Names, validated emails and direct phone numbers for decision-makers at West Plains Pws-West Plains Treatment Plt, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Missouri
Koshkonong · 13 mi away
0.01 MGD
Willow Springs · 18 mi away
0.33 MGD
Mountain View · 21 mi away
0.3 MGD
Thayer · 22 mi away
0.25 MGD
Bakersfield · 22 mi away
0.51 MGD
Alton · 25 mi away
0.05 MGD
Birch Tree · 26 mi away
0.06 MGD
Cabool · 31 mi away
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West Plains Pws-West Plains Treatment Plt: 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 May 20, 2025.