Water Hardness in 73701
Enid, Oklahoma · Garfield County
Dataset updated March 9, 2026Matched to 4 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 4 matched water systems. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.
Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.
Water Systems Serving 73701
These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.
| Water System | Source | Hardness | Pop. Served |
|---|---|---|---|
| Enid OK2002412 | groundwater | 200 PPM HardUSGS estimate: 531 PPM | |
| Vance Afb OK3002402 | groundwater | 200 PPM HardUSGS estimate: 531 PPM | |
| Breckinridge Pwa OK2002420 | groundwater | 200 PPM HardUSGS estimate: 531 PPM | |
| Chisholm Creek Housing Addition OK3002416 | groundwater | 200 PPM HardUSGS estimate: 531 PPM |
Nearby Zip Codes
What This Means For You
Use this ZIP reading as a local planning estimate, not a final treatment specification. Hardness can vary by utility zone, seasonal blend, private well, and building plumbing. Confirm your tap reading with a utility report or home hardness test before sizing equipment.
Know your water hardness?
If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Enid, OK (73701).
Frequently Asked Questions
Is the water hard in Enid, OK (73701)?
The average water hardness in 73701 is 200 PPM (11.7 GPG), which is classified as hard.
Do I need a water softener in 73701?
With hardness of 200 PPM, a water softener is recommended for homes in 73701.
Is hard water in 73701 safe to drink?
Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.
How many water systems serve 73701?
Zip code 73701 in Enid, Oklahoma is served by 4 water systems.
Learn More About Your Water
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