Water Hardness in 33837
Davenport, Florida · Polk County
Dataset updated March 9, 2026Matched to 20 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 20 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 33837
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 |
|---|---|---|---|
| Lakeland, City Of FL6531014 | groundwater | 180 PPM HardUSGS estimate: 152 PPM | |
| Winter Haven Water Department FL6531992 | groundwater | 180 PPM HardUSGS estimate: 849 PPM | |
| Northeast FL6530617 | groundwater | 180 PPM HardUSGS estimate: 849 PPM | |
| Southwest/Polk County Utility FL6530852 | groundwater | 180 PPM HardUSGS estimate: 849 PPM | |
| Auburndale, City Of FL6530090 | groundwater | 180 PPM HardUSGS estimate: 849 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 Davenport, FL (33837).
Frequently Asked Questions
Is the water hard in Davenport, FL (33837)?
The average water hardness in 33837 is 178 PPM (10.4 GPG), which is classified as moderately hard.
Do I need a water softener in 33837?
With hardness of 178 PPM, a water softener is worth considering for homes in 33837.
Is hard water in 33837 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 33837?
Zip code 33837 in Davenport, Florida is served by 20 water systems.
Learn More About Your Water
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