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WISTER

Serving 1 city in OK

Monitor
3 above health guidelines
1K
People Served
1
City
1
Water Sources
0
MCL Violations

Official WISTER Resources

Emergency Contact

239) 880-1150

Available 24/7 for emergencies

WISTER Service Area

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Service Area

This map shows the approximate service area for WISTER. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

WISTER Water Quality Grade

C
Fair

Some contaminants exceed health guidelines.

Quality Score70/100
3
Above Health Guidelines
0
EPA Violations

Grade is calculated based on contaminants exceeding health guidelines (MCLG) and EPA Maximum Contaminant Level violations. A = Excellent (90-100), B = Good (80-89), C = Fair (70-79), D = Poor (60-69), F = Failing (<60).

Is WISTER Water Safe to Drink?

WISTER has reported 3 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 1,002 people across 1 city in OK. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.

WISTER Service Area

WISTER Contact & Information

Emergency Line

239) 880-1150

24/7 After-Hours

Mailing Address

Mr. Dustin Vaughn P.O. Box 370 Wister, OK 74966

Water Sources & Treatment

Water Sources

Surface water purchased

Treatment Methods

Not specified

Recommended Water Filters for WISTER

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

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WISTER Water Quality 2026: Is It Safe? | Wister, Oklahoma | TapWaterData