Hardness
Soft
31.8 PPM · 1.9 GPG
Local water dashboard
Official source aggregationWater quality in Dallas, NC 28034
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Gaston County.
1 active health-based violation
- Primary matched system
- Dallas, Town Of
- Source water
- Surface water + Groundwater
- County
- Gaston 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 mg/L
0% of action level
Utility match
10 systems
Serves 8,212 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
31.8 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
31.8
mg/L as CaCO₃ equivalent
Grains per gallon
1.9
1 GPG ≈ 17.1 PPM
What this means at home
At 31.8 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
2
Nearest site
26.1 mi
Observation range
Jul 20, 2016–Apr 3, 2018
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: FISHING CREEK AT HWY 5 BELOW YORK, SC (Stream).USGS source documentation ↗
Regional context
Is 28034 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Dallas median
32 PPM
About the same1 indexed ZIP readings · Range 31.8–31.8 PPM
North Carolina median
41 PPM
9 PPM lower519 indexed ZIP readings · Range 4.7–267.5 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 mg/L
Reported Dec 31, 2028
Copper (CU90)
7.6 mg/L
Reported Dec 31, 2001
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
EPA limit 0.015
Copper (90th percentile)
Measured in mg/L
Local 7.6
EPA limit 1.3
TTHM
Measured in MG/L
Local 0.094
EPA limit 0.08
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 45
- Health-based
- 5
- Active health-based
- 1
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Public Notice | NC0136065 | Addressed | Jan 29, 2026 |
| Consumer Confidence Rule | NC0136240 | Resolved | Jul 1, 2025through Aug 22, 2025 |
| Lead and Copper Rule | NC0136124 | Addressed | Jan 1, 2025 |
| Lead and Copper Rule | NC0136300 | Resolved | Jan 1, 2025through Aug 7, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | NC0136124 | Resolved | Oct 17, 2024through Apr 22, 2025 |
| LEAD AND COPPER RULE REVISIONS | NC0136124 | Resolved | Oct 17, 2024through Apr 22, 2025 |
| LEAD AND COPPER RULE REVISIONS | NC0136359 | Unaddressed | Oct 17, 2024 |
| LEAD AND COPPER RULE REVISIONSHealth-based | NC0136359 | Unaddressed | Oct 17, 2024 |
| Revised Total Coliform Rule | NC0136065 | Resolved | Sep 11, 2024through Sep 13, 2024 |
| Consumer Confidence Rule | NC0136065 | Resolved | Jul 1, 2024through Nov 18, 2024 |
| Consumer Confidence Rule | NC0136346 | Resolved | Jul 1, 2024through Nov 14, 2024 |
| Consumer Confidence Rule | NC0136114 | Resolved | Jul 1, 2024through Dec 4, 2024 |
| Consumer Confidence Rule | NC0136124 | Resolved | Jul 1, 2024through Nov 14, 2024 |
| Consumer Confidence Rule | NC0136163 | Resolved | Jul 1, 2024through Dec 17, 2024 |
| Consumer Confidence Rule | NC0136293 | Resolved | Jul 1, 2024through Dec 6, 2024 |
| Consumer Confidence Rule | NC0136244 | Resolved | Jul 1, 2024through Dec 5, 2024 |
| Consumer Confidence Rule | NC0136313 | Resolved | Jul 1, 2024through Dec 6, 2024 |
| Consumer Confidence Rule | NC0136240 | Resolved | Jul 1, 2024through Nov 14, 2024 |
| Consumer Confidence Rule | NC0136250 | Resolved | Jul 1, 2024through Dec 5, 2024 |
| Consumer Confidence Rule | NC0136203 | Resolved | Jul 1, 2024through Dec 6, 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 Dallas ZIP 28034 using 31.8 PPM nearby hardness and 3 reported measurement benchmarks.
Drinking water protection
Under-Sink Reverse Osmosis System
Copper (90th percentile), TTHM, LEAD AND COPPER RULE REVISIONS 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.
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Frequently asked
Water questions for Dallas
Is tap water safe in Dallas?+
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 31.8 PPM, or 1.9 grains per gallon, classified as soft. 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.