Hardness
Hard
148.5 PPM · 8.7 GPG
Local water dashboard
Official source aggregationWater quality in Miramar Beach, FL 32459
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Walton County.
No active health-based violation reported
- Primary matched system
- South Walton Utility Company
- Source water
- Groundwater
- County
- Walton County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
0.0027 mg/L
18% of action level
Utility match
1 system
Serves 26,668 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
148.5 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
148.5
mg/L as CaCO₃ equivalent
Grains per gallon
8.7
1 GPG ≈ 17.1 PPM
What this means at home
At 148.5 PPM, mineral scale can build up on fixtures and heating elements, reduce soap lather, and leave visible spotting. Hardness is primarily an aesthetic and appliance concern—not itself a tap-water safety rating.
USGS sites used
6
Nearest site
29 mi
Observation range
Sep 11, 2023–Jan 14, 2026
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: WALTON WELL NO. 11 AAA9965 (Well).USGS source documentation ↗
Regional context
Is 32459 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Miramar Beach median
134 PPM
15 PPM higher2 indexed ZIP readings · Range 119–148.5 PPM
Florida median
280 PPM
131 PPM lower602 indexed ZIP readings · Range 20–374.5 PPM
EPA benchmark screen
Contaminant snapshot
Available numerical results from associated SDWIS community water systems, compared with the applicable action level or federal MCL. Federal measured-value coverage is incomplete.
1 pass
Lead (PB90)
0.0027 mg/L
Reported Dec 1, 2023
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
1 comparable result
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0.0027
EPA limit 0.015
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 0
- Health-based
- 0
- Active health-based
- 0
No violation record was returned for the associated systems in the imported lookback window beginning Jan 1, 2021.
No reported violation does not prove that every contaminant was tested or absent; SDWIS measured values are incomplete and lag state records.
Solutions matcher
Your personalized water action plan
Matched to Miramar Beach ZIP 32459 using 148.5 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
148.5 PPM is 1× the high-hardness trigger used by this matcher.
Designed to reduce scale on fixtures, water heaters, glassware, and plumbing throughout the home.
Compare whole-house systemsAffiliate disclosure: we may earn a commission from qualifying purchases, at no added cost to you. Product matching is educational and does not replace certified water testing.
Nearby indexed reports
Compare ZIPs in Miramar Beach
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Miramar Beach
Is tap water safe in Miramar Beach?+
EPA ECHO shows no active health-based violation for the associated systems in this reporting snapshot. This does not prove every contaminant is absent; federal records can lag and household plumbing can change tap conditions.
How hard is the water?+
Nearby USGS observations produce an estimate of 148.5 PPM, or 8.7 grains per gallon, classified as hard. This is not a household tap measurement.
Do I need a water softener?+
At 148.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.