Hardness
Hard
123 PPM · 7.2 GPG
Local water dashboard
Official source aggregationWater quality in Ludlow, VT 05149
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Windsor County.
2 reported benchmark flags
- Primary matched system
- Ludlow Village Water Dept
- Source water
- Groundwater
- County
- Windsor 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 mg/L
0% of action level
Utility match
10 systems
Serves 2,880 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
123 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
123
mg/L as CaCO₃ equivalent
Grains per gallon
7.2
1 GPG ≈ 17.1 PPM
What this means at home
At 123 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
50
Nearest site
8.6 mi
Observation range
May 19, 2016–Aug 2, 2023
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: VT- AN 01 (Well).USGS source documentation ↗
Regional context
Is 05149 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Ludlow median
123 PPM
About the same1 indexed ZIP readings · Range 123–123 PPM
Vermont median
98 PPM
25 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 pass2 fail
Lead (PB90)
0 mg/L
Reported Dec 31, 2026
Copper (CU90)
1.4 mg/L
Reported Jun 30, 2018
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 1.4
EPA limit 1.3
Combined Uranium
Measured in UG/L
Local 22
EPA limit 30
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 30
- Health-based
- 5
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Consumer Confidence Rule | VT0005635 | Resolved | Jul 1, 2025through Aug 6, 2025 |
| Consumer Confidence Rule | VT0005324 | Resolved | Jul 1, 2025through Dec 9, 2025 |
| Consumer Confidence Rule | VT0005357 | Resolved | Jul 1, 2025through Sep 30, 2025 |
| Gross Alpha, Excl. Radon and U | VT0005637 | Resolved | Jul 1, 2025through Sep 30, 2025 |
| Revised Total Coliform Rule | VT0005325 | Resolved | Dec 1, 2024through Dec 31, 2024 |
| Lead and Copper Rule | VT0005325 | Unaddressed | Oct 31, 2024 |
| Lead and Copper Rule | VT0005325 | Unaddressed | Oct 31, 2024 |
| Consumer Confidence Rule | VT0005323 | Resolved | Jul 1, 2024through Dec 6, 2024 |
| Nitrate | VT0005635 | Resolved | Jul 1, 2024through Jul 8, 2024 |
| Consumer Confidence Rule | VT0005324 | Resolved | Jul 1, 2024through Nov 21, 2024 |
| E. COLI | VT0005325 | Unaddressed | Apr 10, 2024 |
| E. COLI | VT0005325 | Unaddressed | Apr 10, 2024 |
| Revised Total Coliform Rule | VT0005325 | Resolved | Jan 1, 2024through Jan 31, 2024 |
| TTHM | VT0005635 | Resolved | Jan 1, 2023through Dec 31, 2023 |
| Total Haloacetic Acids (HAA5) | VT0005635 | Resolved | Jan 1, 2023through Dec 31, 2023 |
| Lead and Copper RuleHealth-based | VT0005324 | Resolved | Dec 29, 2022through May 23, 2023 |
| Consumer Confidence Rule | VT0005325 | Resolved | Jul 1, 2022through Aug 24, 2022 |
| Consumer Confidence Rule | VT0005357 | Resolved | Jul 1, 2022through Sep 6, 2022 |
| Nitrate | VT0005323 | Resolved | Apr 1, 2022through Jun 30, 2022 |
| Combined UraniumHealth-basedReported 22 UG/L · MCL 30 | VT0005324 | Resolved | Oct 1, 2021through Dec 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
Your personalized water action plan
Matched to Ludlow ZIP 05149 using 123 PPM nearby hardness and 3 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
123 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
Copper (90th percentile), Combined Uranium 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 Ludlow
Is tap water safe in Ludlow?+
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 123 PPM, or 7.2 grains per gallon, classified as hard. This is not a household tap measurement.
Do I need a water softener?+
At 123 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.