Where does the water in 32066 come from?

Water for zip code 32066 in Mayo, Florida is provided by 2 water systems. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 32066

Mayo, Florida · Lafayette County

219 PPM

12.8 GPG

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 32066

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.

Water System	Source	Hardness	Pop. Served	Data Source
Mayo Correctional Institution FL2341182	groundwater	157 PPM Moderately Hard	1,400	High Confidence - USGS Monitoring
Mayo Wtp FL2341181	groundwater	301 PPM Very Hard	1,055	Estimated - Nearby Data

Mayo Correctional Institution

FL2341182

Moderately Hard

157 PPMgroundwater1,400 servedHigh Confidence - USGS Monitoring

Mayo Wtp

FL2341181

Very Hard

301 PPMgroundwater1,055 servedEstimated - Nearby Data

Nearby Zip Codes

32013130 32071241 32062241 32356130 32060241 32008236 32094237 32059163 32347216 32619260

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.

Methodology Data sources 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 Mayo, FL (32066).

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Frequently Asked Questions

Is the water hard in Mayo, FL (32066)?

The average water hardness in 32066 is 219 PPM (12.8 GPG), which is classified as hard.

Do I need a water softener in 32066?

With hardness of 219 PPM, a water softener is recommended for homes in 32066.

Is hard water in 32066 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 32066?

Zip code 32066 in Mayo, Florida is served by 2 water systems.