Hardness
Hard
155 PPM · 9.1 GPG
Local water dashboard
Official source aggregationWater quality in Groveton, TX 75845
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Trinity County.
1 active health-based violation
- Primary matched system
- City Of Groveton
- Source water
- Groundwater
- County
- Trinity 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
0.0014 mg/L
9% of action level
Utility match
1 system
Serves 1,452 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
155 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
155
mg/L as CaCO₃ equivalent
Grains per gallon
9.1
1 GPG ≈ 17.1 PPM
What this means at home
At 155 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
24
Nearest site
24.7 mi
Observation range
Jul 18, 2017–Jun 12, 2025
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: UT-60-24-111 (Well).USGS source documentation ↗
Regional context
Is 75845 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Groveton median
155 PPM
About the same1 indexed ZIP readings · Range 155–155 PPM
Texas median
111 PPM
44 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)
0.0014 mg/L
Reported Dec 31, 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 0.0014
EPA limit 0.015
TTHM
Measured in MG/L
Local 0.091
EPA limit 0.08
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 8
- Health-based
- 3
- Active health-based
- 1
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Public Notice | TX2280001 | Unaddressed | May 4, 2026 |
| TTHMHealth-basedReported 0.091 MG/L · MCL 0.08 | TX2280001 | Unaddressed | Apr 1, 2026through Jun 30, 2026 |
| TTHM | TX2280001 | Resolved | Jan 23, 2026through Feb 27, 2026 |
| TTHMHealth-basedReported 0.092 MG/L · MCL 0.08 | TX2280001 | Archived | Jan 1, 2026through Mar 31, 2026 |
| TTHM | TX2280001 | Resolved | Oct 31, 2025through Dec 29, 2025 |
| Public Notice | TX2280001 | Resolved | Sep 20, 2025through Oct 24, 2025 |
| LEAD AND COPPER RULE REVISIONS | TX2280001 | Unaddressed | Jul 2, 2025 |
| TTHMHealth-basedReported 0.081 MG/L · MCL 0.08 | TX2280001 | Resolved | Jul 1, 2025through Sep 30, 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 Groveton ZIP 75845 using 155 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
155 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
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.
Frequently asked
Water questions for Groveton
Is tap water safe in Groveton?+
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 155 PPM, or 9.1 grains per gallon, classified as hard. This is not a household tap measurement.
Do I need a water softener?+
At 155 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.