Hardness
Very Hard
218 PPM · 12.7 GPG
Local water dashboard
Official source aggregationWater quality in Liberty Hill, TX 78642
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Williamson County.
2 reported benchmark flags
- Primary matched system
- City Of Liberty Hill
- Source water
- Surface water
- County
- Williamson County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
0.0021 mg/L
14% of action level
Utility match
1 system
Serves 8,777 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
218 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
218
mg/L as CaCO₃ equivalent
Grains per gallon
12.7
1 GPG ≈ 17.1 PPM
What this means at home
At 218 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
7
Nearest site
25.8 mi
Observation range
Sep 22, 2016–Jul 16, 2025
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: Lk Buchanan nr Council Ck nr Burnet, TX (Lake, Reservoir, Impoundment).USGS source documentation ↗
Regional context
Is 78642 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Liberty Hill median
218 PPM
About the same1 indexed ZIP readings · Range 218–218 PPM
Texas median
111 PPM
107 PPM higher1019 indexed ZIP readings · Range 5.4–500.5 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 pass2 fail
Lead (PB90)
0.0021 mg/L
Reported Dec 31, 2025
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
3 comparable results
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0.0021
EPA limit 0.015
Gross Alpha, Excl. Radon and U
Measured in PCI/L
Local 16
EPA limit 15
Combined Radium (-226 and -228)
Measured in PCI/L
Local 6
EPA limit 5
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 10
- Health-based
- 4
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Lead and Copper Rule | TX2460013 | Resolved | Dec 30, 2025through Mar 4, 2026 |
| Chlorine | TX2460013 | Resolved | Apr 1, 2025through Jun 30, 2025 |
| Public Notice | TX2460013 | Resolved | May 25, 2022through Mar 5, 2022 |
| Public Notice | TX2460013 | Resolved | May 4, 2022through Mar 5, 2022 |
| Public Notice | TX2460013 | Resolved | Nov 28, 2021through Feb 8, 2022 |
| Public Notice | TX2460013 | Resolved | Nov 28, 2021through Feb 8, 2022 |
| Gross Alpha, Excl. Radon and UHealth-basedReported 16 PCI/L · MCL 15 | TX2460013 | Resolved | Oct 1, 2021through Dec 31, 2021 |
| Combined Radium (-226 and -228)Health-basedReported 6 PCI/L · MCL 5 | TX2460013 | Resolved | Oct 1, 2021through Dec 31, 2021 |
| Combined Radium (-226 and -228)Health-basedReported 6 PCI/L · MCL 5 | TX2460013 | Resolved | Jul 1, 2021through Sep 30, 2021 |
| Gross Alpha, Excl. Radon and UHealth-basedReported 16 PCI/L · MCL 15 | TX2460013 | Resolved | Jul 1, 2021through Sep 30, 2021 |
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 Liberty Hill ZIP 78642 using 218 PPM nearby hardness and 3 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
218 PPM is 2× 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
Gross Alpha, Excl. Radon and U, Combined Radium (-226 and -228) have 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
Water questions for Liberty Hill
Is tap water safe in Liberty Hill?+
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.
How hard is the water?+
Nearby USGS observations produce an estimate of 218 PPM, or 12.7 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 218 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.