Water Hardness in 73753
Kremlin, Oklahoma · Garfield County
Dataset updated March 9, 2026Matched to 5 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 5 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 73753
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 | |
| Kremlin-Hillsdale Rural Water District 1 OK2002402 | groundwater | 531 PPM Very Hard | |
| Kremlin OK3002403 | groundwater | 531 PPM Very Hard | |
| Hunter OK3002415 | groundwater | 531 PPM Very Hard |
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 Kremlin, OK (73753).
Frequently Asked Questions
Is the water hard in Kremlin, OK (73753)?
The average water hardness in 73753 is 206 PPM (12 GPG), which is classified as hard.
Do I need a water softener in 73753?
With hardness of 206 PPM, a water softener is recommended for homes in 73753.
Is hard water in 73753 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 73753?
Zip code 73753 in Kremlin, Oklahoma is served by 5 water systems.
Learn More About Your Water
How to Test Water Hardness at Home
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