Hollister WWTF
Hollister, MO · Taney County · Publicly Owned Treatment Works
- Average flow
- 2 MGD
- Design flow
- —
- NPDES permit
- MO0116041
- Administratively continued
- Permit expires
- December 2024
- Population served
- 3,000
- CWNS 2022
Hollister WWTF is a publicly owned wastewater treatment works in Hollister, Taney County, Missouri treating an average of 2 million gallons per day, serving about 3,000 residents. Treatment on site includes clarifiers, aerated lagoons, uncovered lagoons, carrousels / oxidation ditches, attached growth, aerobic and other unit processes. It discharges under NPDES permit MO0116041 (administratively continued), which expires in December 2024, with 2 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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Aerated lagoons
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Uncovered lagoons
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Carrousels / oxidation ditches
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Attached Growth, Aerobic
unit processBiological Treatment, Other
unit processBiosolids Aerobic Digestion
unit processBiosolids Mechanical Dewatering
unit processChemical P Removal
unit processDisinfection, UV
unit processScreening
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Compliance snapshot (last 3 years)
- Total violations
- 2
- 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 Hollister WWTF.
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Branson · 6 mi away
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Forsyth · 7 mi away
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Branson · 7 mi away
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Forsyth · 8 mi away
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Hollister 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 September 11, 2026; facility record last updated May 20, 2025.