Water hardness
Tulsa, OK water hardness
Tulsa's tap water measures 89 to 140 ppm, which is in the moderately hard to hard range. The number comes from City of Tulsa Water and Sewer's 2025 published data, measured at the tap.
115 ppm
Moderately hard to Hard
Tulsa shower water
Hardness bands per the U.S. Geological Survey. Range: 89 to 140 ppm across service areas.
Source: City of Tulsa Water and Sewer, 2025.
City of Tulsa Water and Sewer serves different areas from different sources, so hardness depends on where in the service area you are. The range above spans the zones the utility publishes.
For comparison, Albuquerque, NM sits in the same range at 36 to 200 ppm.
What Tulsa Water Means for Hair and Skin
Between 61 and 120 ppm, effects are mild and many people never notice them. If your fixtures stay clean and soap behaves, this level is not worth treating.
Check Your Own Zip Code
Check the number for your exact address with the free zip lookup, or read the utility's own report linked above.