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JEFFERSON COUNTY PWSD 7

Serving 3 cities in MO

Monitor
2 above health guidelines
6K
People Served
3
Cities
1
Water Sources
0
MCL Violations

Is JEFFERSON COUNTY PWSD 7 Water Safe to Drink?

JEFFERSON COUNTY PWSD 7 has reported 2 contaminants above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.

This utility serves 6,100 people across 3 cities in MO. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.

JEFFERSON COUNTY PWSD 7 Service Area

JEFFERSON COUNTY PWSD 7 Contact & Information

Mailing Address

PO BOX 160 Mapaville, MO 63065

Water Sources

Groundwater

Treatment Methods

disinfection

Disinfectant Used

chlorine

Recommended Water Filters for JEFFERSON COUNTY PWSD 7

Based on water quality data from cities served by JEFFERSON COUNTY PWSD 7, we recommend NSF-certified filters that can remove contaminants above health guidelines.

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JEFFERSON COUNTY PWSD 7 Water Quality Report 2025 | Herculaneum, Horine, Pevely, Missouri | Contact & Safety Data | TapWaterData