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Water Hardness in 32666

Melrose, Florida · Putnam County

111 PPM
6.5 GPG
Slightly Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 2 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 2 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.

Source basis
1 USGS-backed source
2 matched systems total for this ZIP; USGS monitoring is used where treated-water reports are unavailable.
Water source profile
Primarily groundwater
Groundwater commonly picks up calcium and magnesium after contact with rock and soil. This profile is weighted by known population served across matched systems.
Data recency
March 9, 2026
Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

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 32666

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.

2 water systems
PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.
R. C. Willis Wtp (City Of Palatka)
FL2544260
Slightly Hard
111 PPMgroundwater11,900 servedEstimated — Nearby Data
Melrose Wtp
FL2544255
Slightly Hard
111 PPMgroundwater1,300 servedHigh Confidence — USGS Monitoring

Nearby Zip Codes

321401113265621332148112326941403264011132147111326411403204416832182140321771113260914032091168

What This Means For You

Recommendations are based on the displayed ZIP hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

Slightly Hard Water

Your water is slightly hard. You may notice minor spotting on dishes or a slight film on faucets. A water softener is optional but can improve water quality.

Recommended Products

Water Hardness Test Kit
Our PickVarify (150 Strips)Also GreatJNW Direct (150 Strips)
Salt-Free Water Conditioner
Our PickSpringWell Salt-Free Cartridge

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | How to Test Your Water

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 Melrose, FL (32666).

Submit Your Data

Frequently Asked Questions

Is the water hard in Melrose, FL (32666)?

The average water hardness in 32666 is 111 PPM (6.5 GPG), which is classified as slightly hard.

Do I need a water softener in 32666?

At 111 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 32666 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 32666?

Zip code 32666 in Melrose, Florida is served by 2 water systems.

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