Hardness
Hard
142 PPM · 8.3 GPG
Local water dashboard
Official source aggregationWater quality in Tallahassee, FL 32311
A 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.
2 active health-based violations
- Primary matched system
- Tallahassee, City Of
- Source water
- Groundwater
- County
- Leon County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
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
How hard is the water?
Estimated local hardness
USGS hardness classification scale
142 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
142
mg/L as CaCO₃ equivalent
Grains per gallon
8.3
1 GPG ≈ 17.1 PPM
What this means at home
At 142 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
21.6 mi
Observation range
Sep 11, 2023–Mar 25, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: WAKULLA WELL NO. 2 AAA7843 (Well).USGS source documentation ↗
Regional context
Is 32311 typical?
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
10 PPM lower14 indexed ZIP readings · Range 142–154.5 PPM
Florida median
280 PPM
138 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)
0.0022 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.
Lead (90th percentile)
Measured in mg/L
Local 0.0022
EPA limit 0.015
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 50
- Health-based
- 2
- Active health-based
- 2
| 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
Your personalized water action plan
Matched to Tallahassee ZIP 32311 using 142 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
142 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
Under-Sink Reverse Osmosis System
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
Compare ZIPs in Tallahassee
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Tallahassee
Is tap water safe in Tallahassee?+
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.
How hard is the water?+
Nearby USGS observations produce an estimate of 142 PPM, or 8.3 grains per gallon, classified as hard. This is not a household tap measurement.
Do I need a water softener?+
At 142 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.