Hardness
Very Hard
183 PPM · 10.7 GPG
Local water dashboard
Official source aggregationA source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Surry County.
At a glance
EPA quarter 2026Q2
Hardness
Very Hard
183 PPM · 10.7 GPG
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
0 mg/L
0% of action level
Utility match
3 systems
Serves 135 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
183 PPM
Parts per million
183
mg/L as CaCO₃ equivalent
Grains per gallon
10.7
1 GPG ≈ 17.1 PPM
What this means at home
At 183 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
5
Nearest site
44.5 mi
Observation range
Sep 6, 2022–Apr 22, 2026
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 27E 2 (Well).USGS source documentation ↗
Regional context
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Pilot Mountain median
183 PPM
About the same1 indexed ZIP readings · Range 183–183 PPM
North Carolina median
41 PPM
142 PPM higher519 indexed ZIP readings · Range 4.7–267.5 PPM
EPA benchmark screen
Available numerical results from associated SDWIS community water systems, compared with the applicable action level or federal MCL. Federal measured-value coverage is incomplete.
Lead (PB90)
0 mg/L
Reported Jun 30, 2026
Copper (CU90)
1.7 mg/L
Reported Dec 31, 2025
Numerical coverage
2 comparable results
Missing values remain blank; absence is not treated as a pass.
Measured in mg/L
Local 0
EPA limit 0.015
Measured in mg/L
Local 1.7
EPA limit 1.3
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Lead and Copper Rule | NC0286134 | Addressed | Jan 1, 2026 |
| Lead and Copper RuleHealth-based | NC0286134 | Resolved | Dec 10, 2025through Feb 14, 2026 |
| Consumer Confidence Rule | NC0285133 | Resolved | Jul 1, 2024through Jan 28, 2025 |
| Consumer Confidence Rule | NC0286117 | Resolved | Jul 1, 2024through Dec 5, 2024 |
| Lead and Copper Rule | NC0286134 | Resolved | Jan 1, 2024through Feb 22, 2024 |
| Lead and Copper Rule | NC0286117 | Resolved | Oct 1, 2023through Feb 1, 2024 |
| E. COLI | NC0286134 | Addressed | Sep 26, 2022 |
| E. COLI | NC0286134 | Addressed | Jul 31, 2022 |
| Public Notice | NC0286134 | Resolved | Feb 5, 2022through Jul 5, 2022 |
| Revised Total Coliform Rule | NC0286134 | Resolved | Jan 1, 2022through Jan 31, 2022 |
| Lead and Copper Rule | NC0286134 | Resolved | Oct 1, 2021through Oct 1, 2022 |
| Revised Total Coliform Rule | NC0286134 | Resolved | Oct 1, 2021through Oct 31, 2021 |
| Revised Total Coliform Rule | NC0286134 | Resolved | Sep 1, 2021through Sep 30, 2021 |
| Revised Total Coliform Rule | NC0286134 | Resolved | Jul 1, 2021through Jul 31, 2021 |
| Revised Total Coliform Rule | NC0286134 | Resolved | May 1, 2021through May 31, 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
Matched to Pilot Mountain ZIP 27041 using 183 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
183 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
Copper (90th percentile) 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
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.
Nearby USGS observations produce an estimate of 183 PPM, or 10.7 grains per gallon, classified as very hard. This is not a household tap measurement.
At 183 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.