Hardness
Moderately Hard
79.6 PPM · 4.7 GPG
Local water dashboard
Official source aggregationWater quality in Clearwater, FL 33756
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Pinellas County.
1 active health-based violation
- Primary matched system
- Pinellas County Utilities
- Source water
- Surface water + Groundwater
- County
- Pinellas County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
Review needed
1 active health-based record
Lead 90th percentile
0.0025 mg/L
17% of action level
Utility match
3 systems
Serves 506,353 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
79.6 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
79.6
mg/L as CaCO₃ equivalent
Grains per gallon
4.7
1 GPG ≈ 17.1 PPM
What this means at home
At 79.6 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
1
Nearest site
48.3 mi
Observation range
Jun 1, 2016–Jul 23, 2025
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: MANATEE RIVER AT SR 64 NEAR MYAKKA HEAD, FL (Stream).USGS source documentation ↗
Regional context
Is 33756 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Clearwater median
80 PPM
About the same8 indexed ZIP readings · Range 79.6–79.6 PPM
Florida median
280 PPM
200 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)
0.0025 mg/L
Reported Dec 1, 2021
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 0.0025
EPA limit 0.015
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 26
- Health-based
- 1
- Active health-based
- 1
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Revised Total Coliform Rule | FL6512230 | Archived | Nov 1, 2025through Nov 30, 2025 |
| Revised Total Coliform Rule | FL6521405 | Archived | Oct 1, 2025through Oct 31, 2025 |
| Revised Total Coliform Rule | FL6512230 | Archived | Oct 1, 2025through Oct 31, 2025 |
| Revised Total Coliform Rule | FL6521405 | Archived | Sep 1, 2025through Sep 30, 2025 |
| Revised Total Coliform Rule | FL6521405 | Archived | Aug 1, 2025through Aug 31, 2025 |
| Revised Total Coliform Rule | FL6520336 | Resolved | Aug 1, 2025through Aug 31, 2025 |
| Revised Total Coliform Rule | FL6521405 | Archived | Jul 1, 2025through Jul 31, 2025 |
| Consumer Confidence Rule | FL6520336 | Resolved | Jul 1, 2025through Sep 2, 2025 |
| Revised Total Coliform Rule | FL6512230 | Archived | Jun 1, 2025through Jun 30, 2025 |
| LEAD AND COPPER RULE REVISIONS | FL6512230 | Unaddressed | Feb 1, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | FL6512230 | Unaddressed | Feb 1, 2025 |
| Nitrate | FL6521405 | Resolved | Jan 1, 2025through Apr 14, 2025 |
| Total Haloacetic Acids (HAA5) | FL6521405 | Archived | Jan 1, 2025through Mar 31, 2025 |
| TTHM | FL6521405 | Archived | Jan 1, 2025through Mar 31, 2025 |
| Revised Total Coliform Rule | FL6520336 | Resolved | Dec 1, 2024through Dec 31, 2024 |
| Total Haloacetic Acids (HAA5) | FL6521405 | Archived | Oct 1, 2024through Dec 31, 2024 |
| TTHM | FL6521405 | Archived | Oct 1, 2024through Dec 31, 2024 |
| Revised Total Coliform Rule | FL6520336 | Resolved | Sep 1, 2024through Sep 30, 2024 |
| TTHM | FL6521405 | Archived | Jul 1, 2024through Sep 30, 2024 |
| Total Haloacetic Acids (HAA5) | FL6521405 | Archived | Jul 1, 2024through Sep 30, 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
Your personalized water action plan
Matched to Clearwater ZIP 33756 using 79.6 PPM nearby hardness and 1 reported measurement benchmarks.
Drinking 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 Clearwater
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Clearwater
Is tap water safe in Clearwater?+
EPA ECHO reports 1 active health-based violation 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 79.6 PPM, or 4.7 grains per gallon, classified as moderately hard. This is not a household tap measurement.
Do I need a water softener?+
There is no high-hardness trigger in this profile. Confirm with a tap test before buying equipment.