Hardness
Moderately Hard
64.1 PPM · 3.7 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 Plymouth County.
At a glance
EPA quarter 2026Q2
Hardness
Moderately Hard
64.1 PPM · 3.7 GPG
Compliance screen
Review needed
1 active health-based record
Lead 90th percentile
0.0019 mg/L
13% of action level
Utility match
7 systems
Serves 47,100 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
64.1 PPM
Parts per million
64.1
mg/L as CaCO₃ equivalent
Grains per gallon
3.7
1 GPG ≈ 17.1 PPM
What this means at home
At 64.1 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
148
Nearest site
3.5 mi
Observation range
Jan 13, 2016–Sep 25, 2023
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: MA-PWW 411 (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.
The Pinehills median
64 PPM
About the same1 indexed ZIP readings · Range 64.1–64.1 PPM
Massachusetts median
49 PPM
15 PPM higher328 indexed ZIP readings · Range 24.3–128 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)
0.0019 mg/L
Reported Dec 31, 2025
Copper (CU90)
1.78 mg/L
Reported Dec 31, 2024
Numerical coverage
2 comparable results
Missing values remain blank; absence is not treated as a pass.
Measured in mg/L
Local 0.0019
EPA limit 0.015
Measured in mg/L
Local 1.78
EPA limit 1.3
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Consumer Confidence Rule | MA4239049 | Unaddressed | Jul 2, 2025 |
| Lead and Copper Rule | MA4239049 | Addressed | Jul 1, 2025 |
| Lead and Copper Rule | MA4239049 | Addressed | Jul 1, 2025 |
| Lead and Copper RuleHealth-based | MA4239049 | Addressed | Jul 1, 2025 |
| Revised Total Coliform Rule | MA4239060 | Resolved | Oct 11, 2024through Jun 12, 2025 |
| 1,1,1-Trichloroethane | MA4239049 | Archived | Oct 1, 2024through Dec 31, 2024 |
| o-Dichlorobenzene | MA4239049 | Archived | Oct 1, 2024through Dec 31, 2024 |
| Vinyl chloride | MA4239049 | Archived | Oct 1, 2024through Dec 31, 2024 |
| Carbon tetrachloride | MA4239049 | Archived | Oct 1, 2024through Dec 31, 2024 |
| DICHLOROMETHANE | MA4239049 | Archived | Oct 1, 2024through Dec 31, 2024 |
| Tetrachloroethylene | MA4239049 | Archived | Oct 1, 2024through Dec 31, 2024 |
| Trichloroethylene | MA4239049 | Archived | Oct 1, 2024through Dec 31, 2024 |
| 1,1-Dichloroethylene | MA4239049 | Archived | Oct 1, 2024through Dec 31, 2024 |
| 1,2-Dichloropropane | MA4239049 | Archived | Oct 1, 2024through Dec 31, 2024 |
| CHLOROBENZENE | MA4239049 | Archived | Oct 1, 2024through Dec 31, 2024 |
| Benzene | MA4239049 | Archived | Oct 1, 2024through Dec 31, 2024 |
| p-Dichlorobenzene | MA4239049 | Archived | Oct 1, 2024through Dec 31, 2024 |
| trans-1,2-Dichloroethylene | MA4239049 | Archived | Oct 1, 2024through Dec 31, 2024 |
| cis-1,2-Dichloroethylene | MA4239049 | Archived | Oct 1, 2024through Dec 31, 2024 |
| 1,1,2-Trichloroethane | MA4239049 | Archived | Oct 1, 2024through Dec 31, 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
Matched to The Pinehills ZIP 02360 using 64.1 PPM nearby hardness and 2 reported measurement benchmarks.
Drinking water protection
Copper (90th percentile), Lead and Copper Rule 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
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.
Nearby USGS observations produce an estimate of 64.1 PPM, or 3.7 grains per gallon, classified as moderately hard. This is not a household tap measurement.
There is no high-hardness trigger in this profile. Confirm with a tap test before buying equipment.