Hardness
Hard
129 PPM · 7.5 GPG
Local water dashboard
Official source aggregationWater quality in Sheffield, VT 05866
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Caledonia County.
1 active health-based violation
- Primary matched system
- Sheffield Fire District 1
- Source water
- Groundwater
- County
- Caledonia 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
0.002 mg/L
13% of action level
Utility match
1 system
Serves 50 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
129 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
129
mg/L as CaCO₃ equivalent
Grains per gallon
7.5
1 GPG ≈ 17.1 PPM
What this means at home
At 129 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
13
Nearest site
7.8 mi
Observation range
Jun 12, 2017–Jul 20, 2023
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: VT- LY 1 (Well).USGS source documentation ↗
Regional context
Is 05866 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Sheffield median
129 PPM
About the same1 indexed ZIP readings · Range 129–129 PPM
Vermont median
98 PPM
31 PPM higher93 indexed ZIP readings · Range 10.5–176 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 pass
Lead (PB90)
0.002 mg/L
Reported Dec 31, 2025
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
1 comparable result
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0.002
EPA limit 0.015
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 18
- Health-based
- 1
- Active health-based
- 1
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Chlorine | VT0005381 | Archived | Feb 1, 2026through Feb 28, 2026 |
| Consumer Confidence Rule | VT0005381 | Unaddressed | Jul 1, 2025 |
| TTHM | VT0005381 | Archived | Jan 1, 2025through Dec 31, 2025 |
| Total Haloacetic Acids (HAA5) | VT0005381 | Archived | Jan 1, 2025through Dec 31, 2025 |
| Lead and Copper Rule | VT0005381 | Resolved | Dec 30, 2024through Mar 24, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | VT0005381 | Addressed | Oct 17, 2024 |
| E. COLI | VT0005381 | Resolved | Sep 13, 2024through Oct 28, 2025 |
| E. COLI | VT0005381 | Resolved | Aug 15, 2024through Oct 28, 2025 |
| E. COLI | VT0005381 | Resolved | Jul 18, 2024through Oct 28, 2025 |
| Consumer Confidence Rule | VT0005381 | Resolved | Jul 1, 2024through Jun 30, 2025 |
| E. COLI | VT0005381 | Resolved | Mar 18, 2024through Oct 28, 2025 |
| E. COLI | VT0005381 | Resolved | Jan 15, 2024through Oct 28, 2025 |
| Revised Total Coliform Rule | VT0005381 | Resolved | Jul 1, 2023through Jul 31, 2023 |
| Consumer Confidence Rule | VT0005381 | Resolved | Jul 1, 2023through Jun 30, 2025 |
| E. COLI | VT0005381 | Resolved | Feb 13, 2023through Feb 5, 2024 |
| Radium-226 | VT0005381 | Resolved | Apr 1, 2022through Jun 30, 2022 |
| Radium-228 | VT0005381 | Resolved | Apr 1, 2022through Jun 30, 2022 |
| E. COLI | VT0005381 | Resolved | Jul 18, 2021through Feb 5, 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 Sheffield ZIP 05866 using 129 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
129 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
LEAD AND COPPER RULE REVISIONS 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 Sheffield
Is tap water safe in Sheffield?+
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 129 PPM, or 7.5 grains per gallon, classified as hard. This is not a household tap measurement.
Do I need a water softener?+
At 129 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.