Columbia WWTP
4900 West Gillespie Bridge Roa, Columbia, MO 65203 · Boone County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- —
- NPDES permit
- MO0097837
- Administratively continued
- Permit expires
- June 2025
- Population served
- 72
- CWNS 2022
Columbia WWTP is a publicly owned wastewater treatment works in Columbia, Boone County, Missouri, serving about 72 residents. It discharges under NPDES permit MO0097837 (administratively continued), which expires in June 2025, with 7 recorded violations in the last three years.
Treatment technology
8 treatment structures and unit processes identified at Columbia WWTP.
Available with a free Klarifi account
See the full treatment train at Columbia WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 7
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Columbia
Columbia's capital improvement plan lists 31 water, sewer and wastewater line items worth $50M starting 2025–2029. The largest budgeted items are shown here.
All water and sewer capital projects in Columbia →
| Project | Budget | Years |
|---|---|---|
| Annual Sewer Rehabilitation | $13,500,000 | 2025–2029 |
| WWTP New Digester Addition | $8,000,000 | 2026–2029 |
| 2MG Elevated Storage - Prathersville | $5,000,000 | 2028–2029 |
| Tower and Reservoir Maintenance | $3,500,000 | 2025–2029 |
| Annual Sewer System Improvements | $2,500,000 | 2025–2029 |
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 Columbia WWTP, 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 Columbia WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Missouri
Columbia · 4 mi away
0.17 MGD
Columbia · 4 mi away
0.09 MGD
Columbia · 5 mi away
—
Columbia · 6 mi away
0.0027 MGD
Columbia · 7 mi away
0.0068 MGD
Columbia · 8 mi away
0.24 MGD
Columbia · 8 mi away
0.04 MGD
Rocheport · 9 mi away
0.04 MGD
Columbia 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 27, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms