Hardness
Very Hard
191.5 PPM · 11.2 GPG
Local water dashboard
Official source aggregationWater quality in Georgetown, TX 78626
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.
1 active health-based violation
- Primary matched system
- City Of Georgetown
- Source water
- Surface water
- County
- Williamson 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
0.0022 mg/L
15% of action level
Utility match
1 system
Serves 191,639 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
191.5 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
191.5
mg/L as CaCO₃ equivalent
Grains per gallon
11.2
1 GPG ≈ 17.1 PPM
What this means at home
At 191.5 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
8
Nearest site
29.8 mi
Observation range
Sep 21, 2016–Jul 16, 2025
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: Barton Ck at Lost Ck Blvd nr Austin, TX (Stream).USGS source documentation ↗
Regional context
Is 78626 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Georgetown median
192 PPM
About the same3 indexed ZIP readings · Range 191.5–191.5 PPM
Texas median
111 PPM
81 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 pass1 fail
Lead (PB90)
0.0022 mg/L
Reported Jun 30, 2023
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
2 comparable results
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
TTHM
Measured in MG/L
Local 0.081
EPA limit 0.08
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 3
- Health-based
- 1
- Active health-based
- 1
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| TTHMHealth-basedReported 0.081 MG/L · MCL 0.08 | TX2460001 | Unaddressed | Apr 1, 2026through Jun 30, 2026 |
| Public Notice | TX2460001 | Resolved | Oct 27, 2025through Dec 16, 2025 |
| Long Term 2 Enhanced Surface Water Treatment Rule | TX2460001 | 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
Your personalized water action plan
Matched to Georgetown ZIP 78626 using 191.5 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
191.5 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
TTHM 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 Georgetown
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Georgetown
Is tap water safe in Georgetown?+
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 191.5 PPM, or 11.2 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 191.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.