Hardness
Very Hard
214 PPM · 12.5 GPG
Local water dashboard
Official source aggregationWater quality in Clyde, TX 79510
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Callahan County.
2 reported benchmark flags
- Primary matched system
- City Of Clyde
- Source water
- Surface water
- County
- Callahan 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
0.0068 mg/L
45% of action level
Utility match
1 system
Serves 3,820 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
214 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
214
mg/L as CaCO₃ equivalent
Grains per gallon
12.5
1 GPG ≈ 17.1 PPM
What this means at home
At 214 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
19
Nearest site
25.6 mi
Observation range
Feb 3, 2016–Jun 10, 2026
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: Ft Phantom Hill Res PS Site nr Nugent, TX (Lake, Reservoir, Impoundment).USGS source documentation ↗
Regional context
Is 79510 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Clyde median
214 PPM
About the same1 indexed ZIP readings · Range 214–214 PPM
Texas median
111 PPM
103 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)
0.0068 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 0.0068
EPA limit 0.015
Total Haloacetic Acids (HAA5)
Measured in MG/L
Local 0.073
EPA limit 0.06
TTHM
Measured in MG/L
Local 0.153
EPA limit 0.08
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 15
- Health-based
- 12
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| LEAD AND COPPER RULE REVISIONS | TX0300002 | Resolved | Jul 2, 2025through Apr 15, 2026 |
| Consumer Confidence Rule | TX0300002 | Unaddressed | Jul 1, 2025 |
| Total Haloacetic Acids (HAA5)Health-basedReported 0.073 MG/L · MCL 0.06 | TX0300002 | Resolved | Apr 1, 2025through Jun 30, 2025 |
| TTHMHealth-basedReported 0.153 MG/L · MCL 0.08 | TX0300002 | Resolved | Apr 1, 2025through Jun 30, 2025 |
| Public Notice | TX0300002 | Resolved | Feb 28, 2025through Apr 16, 2025 |
| Total Haloacetic Acids (HAA5)Health-basedReported 0.074 MG/L · MCL 0.06 | TX0300002 | Resolved | Jan 1, 2025through Mar 31, 2025 |
| TTHMHealth-basedReported 0.17 MG/L · MCL 0.08 | TX0300002 | Resolved | Jan 1, 2025through Mar 31, 2025 |
| Total Haloacetic Acids (HAA5)Health-basedReported 0.073 MG/L · MCL 0.06 | TX0300002 | Resolved | Oct 1, 2024through Dec 31, 2024 |
| TTHMHealth-basedReported 0.174 MG/L · MCL 0.08 | TX0300002 | Resolved | Oct 1, 2024through Dec 31, 2024 |
| TTHMHealth-basedReported 0.179 MG/L · MCL 0.08 | TX0300002 | Resolved | Jul 1, 2024through Sep 30, 2024 |
| Total Haloacetic Acids (HAA5)Health-basedReported 0.066 MG/L · MCL 0.06 | TX0300002 | Resolved | Jul 1, 2024through Sep 30, 2024 |
| Interim Enhanced Surface Water Treatment RuleHealth-based | TX0300002 | Resolved | Jul 1, 2024through Jul 31, 2024 |
| Interim Enhanced Surface Water Treatment RuleHealth-based | TX0300002 | Resolved | Jun 1, 2024through Jun 30, 2024 |
| TTHMHealth-basedReported 0.093 MG/L · MCL 0.08 | TX0300002 | Resolved | Apr 1, 2024through Jun 30, 2024 |
| Interim Enhanced Surface Water Treatment RuleHealth-based | TX0300002 | Resolved | Nov 1, 2023through Nov 30, 2023 |
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 Clyde ZIP 79510 using 214 PPM nearby hardness and 3 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
214 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
Total Haloacetic Acids (HAA5), TTHM 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 Clyde
Is tap water safe in Clyde?+
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 214 PPM, or 12.5 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 214 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.