Hardness
Very Hard
349 PPM · 20.4 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 Highlands County.
At a glance
EPA quarter 2026Q2
Hardness
Very Hard
349 PPM · 20.4 GPG
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
0.0023 mg/L
15% of action level
Utility match
6 systems
Serves 46,295 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
349 PPM
Parts per million
349
mg/L as CaCO₃ equivalent
Grains per gallon
20.4
1 GPG ≈ 17.1 PPM
What this means at home
At 349 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
107
Nearest site
4.4 mi
Observation range
Jan 13, 2016–May 26, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: SEBRING WELL NO. 9 AAG7145 (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.
Sebring median
349 PPM
About the same3 indexed ZIP readings · Range 349–350 PPM
Florida median
280 PPM
69 PPM higher602 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)
0.0023 mg/L
Reported Dec 1, 2025
Copper (CU90)
3.86 mg/L
Reported Dec 31, 1999
Numerical coverage
2 comparable results
Missing values remain blank; absence is not treated as a pass.
Measured in mg/L
Local 0.0023
EPA limit 0.015
Measured in mg/L
Local 3.86
EPA limit 1.3
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| E. COLI | FL6280274 | Archived | Dec 1, 2025through Dec 31, 2025 |
| Revised Total Coliform Rule | FL6280274 | Resolved | Nov 1, 2025through Jan 26, 2025 |
| Consumer Confidence Rule | FL5280266 | Unaddressed | Jul 1, 2025 |
| Consumer Confidence Rule | FL6284075 | Unaddressed | Jul 1, 2025 |
| Consumer Confidence Rule | FL6280162 | Unaddressed | Jul 1, 2025 |
| Consumer Confidence Rule | FL6280181 | Unaddressed | Jul 1, 2025 |
| E. COLI | FL6280250 | Resolved | May 1, 2025through May 31, 2025 |
| E. COLI | FL5280266 | Resolved | May 1, 2025through Aug 18, 2025 |
| Lead and Copper Rule | FL5280266 | Resolved | Jan 1, 2025through Aug 18, 2025 |
| E. COLI | FL6280250 | Resolved | Aug 1, 2024through Aug 31, 2024 |
| E. COLI | FL6284075 | Resolved | Jun 1, 2024through Jun 30, 2024 |
| E. COLI | FL6284075 | Resolved | Feb 1, 2024through Mar 27, 2024 |
| TTHM | FL6280274 | Resolved | Jan 1, 2024through Dec 31, 2024 |
| Total Haloacetic Acids (HAA5) | FL6280274 | Resolved | Jan 1, 2024through Dec 31, 2024 |
| Nitrate | FL6280274 | Resolved | Jan 1, 2024through Dec 31, 2024 |
| Lead and Copper Rule | FL5280266 | Resolved | Jan 1, 2024through Aug 1, 2024 |
| Revised Total Coliform Rule | FL6280250 | Resolved | Sep 1, 2023through Sep 30, 2023 |
| E. COLI | FL6280250 | Resolved | Jul 1, 2023through Jul 31, 2023 |
| TTHM | FL6280250 | Resolved | Jul 1, 2023through Sep 30, 2023 |
| Total Haloacetic Acids (HAA5) | FL6280250 | Resolved | Jul 1, 2023through Sep 30, 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 Sebring ZIP 33876 using 349 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
349 PPM is 3× 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 systemsDrinking water protection
Copper (90th percentile) has a measured benchmark flag or active health-based SDWIS record in this profile.
A certified multi-stage RO system targets a broader range of dissolved contaminants at the kitchen tap.
Explore under-sink filtrationAffiliate 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
Estimates can differ across a city because monitoring locations and associated systems differ.
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 349 PPM, or 20.4 grains per gallon, classified as very hard. This is not a household tap measurement.
At 349 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.