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 Lake County.
At a glance
EPA quarter 2026Q2
Hardness
Very Hard
349 PPM · 20.4 GPG
Compliance screen
Review needed
2 active health-based records
Lead 90th percentile
0.0018 mg/L
12% of action level
Utility match
10 systems
Serves 5,127 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
65
Nearest site
13.7 mi
Observation range
Jan 13, 2016–May 27, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: EUSTIS WELL NO. 2 AAE5699 (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.
Fruitland Park median
349 PPM
About the same1 indexed ZIP readings · Range 349–349 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)
0.0018 mg/L
Reported Dec 1, 2024
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 0.0018
EPA limit 0.015
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| E. COLI | FL3351421 | Archived | Sep 1, 2025through Sep 30, 2025 |
| Revised Total Coliform Rule | FL3351421 | Archived | Sep 1, 2025through Sep 30, 2025 |
| E. COLI | FL3350655 | Archived | Sep 1, 2025through Sep 30, 2025 |
| E. COLI | FL3350655 | Archived | Jun 1, 2025through Jun 30, 2025 |
| Revised Total Coliform Rule | FL3354054 | Archived | Mar 1, 2025through Mar 31, 2025 |
| E. COLI | FL3354054 | Archived | Mar 1, 2025through Mar 31, 2025 |
| E. COLI | FL3350495 | Archived | Mar 1, 2025through Mar 31, 2025 |
| Revised Total Coliform Rule | FL3350495 | Archived | Mar 1, 2025through Mar 31, 2025 |
| E. COLI | FL3350474 | Archived | Mar 1, 2025through Mar 31, 2025 |
| Revised Total Coliform Rule | FL3350474 | Archived | Mar 1, 2025through Mar 31, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | FL3351564 | Unaddressed | Feb 1, 2025 |
| LEAD AND COPPER RULE REVISIONS | FL3351564 | Unaddressed | Feb 1, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | FL3350851 | Unaddressed | Feb 1, 2025 |
| LEAD AND COPPER RULE REVISIONS | FL3350851 | Unaddressed | Feb 1, 2025 |
| E. COLI | FL3354661 | Resolved | Nov 1, 2024through Nov 30, 2024 |
| Revised Total Coliform Rule | FL3354661 | Resolved | Nov 1, 2024through Nov 30, 2024 |
| E. COLI | FL3354054 | Resolved | Aug 1, 2024through Aug 31, 2024 |
| Revised Total Coliform Rule | FL3354054 | Resolved | Aug 1, 2024through Aug 31, 2024 |
| Revised Total Coliform Rule | FL3354656 | Archived | Aug 1, 2024through Aug 31, 2024 |
| E. COLI | FL3354661 | Resolved | Aug 1, 2024through Aug 31, 2024 |
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 Fruitland Park ZIP 34731 using 349 PPM nearby hardness and 1 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
LEAD AND COPPER RULE REVISIONS 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.
Frequently asked
EPA ECHO reports 2 active health-based violations among the associated community water systems. Review the affected utility's current notice and Consumer Confidence Report.
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.