Hardness
Hard
154 PPM · 9 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 Leon County.
At a glance
EPA quarter 2026Q2
Hardness
Hard
154 PPM · 9 GPG
Compliance screen
Review needed
2 active health-based records
Lead 90th percentile
0.0022 mg/L
15% of action level
Utility match
10 systems
Serves 200,480 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
154 PPM
Parts per million
154
mg/L as CaCO₃ equivalent
Grains per gallon
9
1 GPG ≈ 17.1 PPM
What this means at home
At 154 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
39
Nearest site
26.3 mi
Observation range
Jan 25, 2021–Mar 25, 2026
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 14E013 (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.
Tallahassee median
152 PPM
About the same14 indexed ZIP readings · Range 142–154.5 PPM
Florida median
280 PPM
126 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)
0.0022 mg/L
Reported Dec 1, 2025
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 0.0022
EPA limit 0.015
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| E. COLI | FL1370616 | Archived | Mar 1, 2026through Mar 31, 2026 |
| Revised Total Coliform Rule | FL1370616 | Archived | Mar 1, 2026through Mar 31, 2026 |
| E. COLI | FL1374072 | Archived | Mar 1, 2026through Mar 31, 2026 |
| Revised Total Coliform Rule | FL1374072 | Archived | Mar 1, 2026through Mar 31, 2026 |
| E. COLI | FL1374104 | Archived | Mar 1, 2026through Mar 31, 2026 |
| Revised Total Coliform Rule | FL1374104 | Archived | Mar 1, 2026through Mar 31, 2026 |
| E. COLI | FL1374072 | Archived | Feb 1, 2026through Feb 28, 2026 |
| Revised Total Coliform Rule | FL1374072 | Archived | Feb 1, 2026through Feb 28, 2026 |
| E. COLI | FL1370616 | Resolved | Sep 1, 2025through Sep 30, 2025 |
| Revised Total Coliform Rule | FL1370616 | Resolved | Sep 1, 2025through Sep 30, 2025 |
| E. COLI | FL1374104 | Resolved | Sep 1, 2025through Sep 30, 2025 |
| Revised Total Coliform Rule | FL1374104 | Resolved | Sep 1, 2025through Sep 30, 2025 |
| Revised Total Coliform Rule | FL1370791 | Resolved | Jul 1, 2025through Jul 31, 2025 |
| E. COLI | FL1370791 | Resolved | Jul 1, 2025through Jul 31, 2025 |
| Lead and Copper Rule | FL1370403 | Unaddressed | Jul 1, 2025 |
| Revised Total Coliform Rule | FL1370791 | Resolved | Jun 1, 2025through Jun 30, 2025 |
| E. COLI | FL1370791 | Resolved | Jun 1, 2025through Jun 30, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | FL1370616 | Unaddressed | Feb 1, 2025 |
| LEAD AND COPPER RULE REVISIONS | FL1370616 | Unaddressed | Feb 1, 2025 |
| LEAD AND COPPER RULE REVISIONS | FL1374104 | Unaddressed | Feb 1, 2025 |
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 Tallahassee ZIP 32317 using 154 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
154 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 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.
Nearby indexed reports
Estimates can differ across a city because monitoring locations and associated systems differ.
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 154 PPM, or 9 grains per gallon, classified as hard. This is not a household tap measurement.
At 154 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.