O'Fallon Water Treatment Plant
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Located at the intersection if I-79 and Firma, The O'Fallon Water Treatment Plant provides clean water for the city of O'Fallon. It was originally constructed in 1984 and uses and activated biofilter process to clean and treat the water.
150 Firma Rd, O Fallon, MO 63366
- Accessibility Details: There is street-level access.
- Hours: Daily, 24 hours;
Phone Assistance: Mon - Fri, 9am - 5pm
- Hours: Daily, 24hrs
- Accessible: yes