Safe
Oklahoma, United States
·
Last reviewed:
Is Tap Water Safe to Drink in Oklahoma City?
Yes, tap water in Oklahoma City is safe to drink. It's supplied by a network of reservoirs, including some connected by long-distance pipelines, treated to meet all EPA standards.
Hardness
Moderate
pH
7.4–7.9
TDS
ranges 150–250 ppm
EPA Status
Compliant
Soft
Moderate
Hard
Very Hard
Water Source
Oklahoma City Utilities draws from multiple reservoirs including Lake Hefner, Lake Overholser, and the more distant Atoka and McGee Creek reservoirs, connected via a long-distance pipeline system.
EPA Compliance Status
Meets all federal Safe Drinking Water Act standards.
Notable Contaminants & Context
- •No significant compliance concerns
How It Compares
Oklahoma City's reliance on distant reservoirs connected by long pipelines reflects a common water-security strategy in parts of the Southern Plains with variable local rainfall.
Tips
- •Oklahoma City Utilities publishes an annual water quality report
- •No need for bottled water around the city
Frequently Asked Questions
Sources & References
The safety rating and guidance on this page draw on the following sources. See our full methodology.
- •US EPA Safe Drinking Water Act regulations
- •EWG Tap Water Database
- •The utility's most recent Consumer Confidence Report (CCR)
- •WHO Guidelines for Drinking-water Quality