St. Joseph Water Protection Facility
Saint Joseph, MO · Buchanan County · Publicly Owned Treatment Works
- Average flow
- 18.27 MGD
- Design flow
- —
- NPDES permit
- MO0023043
- Effective
- Permit expires
- November 2025
- Population served
- 77,300
- CWNS 2022
St. Joseph Water Protection Facility is a publicly owned wastewater treatment plant in Saint Joseph, Buchanan County, Missouri treating an average of 18.27 million gallons per day, serving about 77,300 residents. Treatment on site includes clarifiers, biogas silos, biological treatment, other, biosolids anaerobic digestion with energy recovery, biosolids thickening and other unit processes. It discharges under NPDES permit MO0023043 (effective), which expires in November 2025, with 4 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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Biogas silos
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Biological Treatment, Other
unit processBiosolids Anaerobic Digestion with Energy Recovery
unit processBiosolids Thickening
unit processDisinfection, UV
unit processScreening
unit processUnlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 4
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Saint Joseph
Saint Joseph's capital improvement plan lists 11 water, sewer and wastewater line items worth $15M starting 2024–2026. The largest budgeted items are shown here.
All water and sewer capital projects in Saint Joseph →
| Project | Budget | Years |
|---|---|---|
| CMOM Consolidated Repairs | $10,000,000 | 2024–2028 |
| Sewer Vehicle Replacement | $2,000,000 | 2024–2028 |
| TV Van | $725,000 | 2026–2027 |
| Sewer Maint Vactor | $540,000 | 2025–2026 |
| Rolling Stock Sewer Maint | $500,000 | 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 St. Joseph Water Protection Facility, 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 St. Joseph Water Protection Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Missouri
St. Joseph · 3 mi away
0.0093 MGD
Amazonia · 11 mi away
0.01 MGD
Cosby · 12 mi away
0.03 MGD
Savannah · 13 mi away
0.3 MGD
Gower · 16 mi away
0.09 MGD
Clarksdale · 18 mi away
—
Camden Point · 20 mi away
0.04 MGD
Fillmore · 21 mi away
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St. Joseph Water Protection Facility: 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 March 2, 2025.