Hardness
Very Hard
241.5 PPM · 14.1 GPG
Local water dashboard
Official source aggregationA source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Clay County.
At a glance
EPA quarter 2026Q2
Hardness
Very Hard
241.5 PPM · 14.1 GPG
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
7.0e-4 mg/L
5% of action level
Utility match
1 system
Serves 8,668 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
241.5 PPM
Parts per million
241.5
mg/L as CaCO₃ equivalent
Grains per gallon
14.1
1 GPG ≈ 17.1 PPM
What this means at home
At 241.5 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
28
Nearest site
23.2 mi
Observation range
Dec 6, 2016–Jan 16, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: St Augustine SA Well 14 AAC2799 (Well).USGS source documentation ↗
Regional context
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Orange Park median
242 PPM
About the same1 indexed ZIP readings · Range 241.5–241.5 PPM
Florida median
280 PPM
38 PPM lower602 indexed ZIP readings · Range 20–374.5 PPM
EPA benchmark screen
Available numerical results from associated SDWIS community water systems, compared with the applicable action level or federal MCL. Federal measured-value coverage is incomplete.
Lead (PB90)
7.0e-4 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.
Measured in mg/L
Local 7.0e-4
EPA limit 0.015
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| E. COLI | FL2101182 | Resolved | Dec 1, 2025through Dec 31, 2025 |
| Revised Total Coliform Rule | FL2101182 | Resolved | Dec 1, 2025through Dec 31, 2025 |
| E. COLI | FL2101182 | Resolved | Jul 1, 2025through Jul 31, 2025 |
| E. COLI | FL2101182 | Resolved | Jul 1, 2025through Jul 31, 2025 |
| Consumer Confidence Rule | FL2101182 | Unaddressed | Jul 1, 2025 |
| Revised Total Coliform Rule | FL2101182 | Unaddressed | Jul 1, 2025 |
| Total Haloacetic Acids (HAA5) | FL2101182 | Archived | Jan 1, 2024through Dec 31, 2024 |
| Nitrate | FL2101182 | Resolved | Jan 1, 2024through Feb 28, 2024 |
| TTHM | FL2101182 | Archived | Jan 1, 2024through Dec 31, 2024 |
| Consumer Confidence Rule | FL2101182 | Resolved | Jul 1, 2023through Oct 2, 2023 |
| E. COLI | FL2101182 | Resolved | Mar 1, 2022through Oct 2, 2023 |
No reported violation does not prove that every contaminant was tested or absent; SDWIS measured values are incomplete and lag state records.
Solutions matcher
Matched to Orange Park ZIP 32073 using 241.5 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
241.5 PPM is 2× 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.
Frequently asked
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.
Nearby USGS observations produce an estimate of 241.5 PPM, or 14.1 grains per gallon, classified as very hard. This is not a household tap measurement.
At 241.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.