Hardness
Moderately Hard
64 PPM · 3.7 GPG
Local water dashboard
Official source aggregationWater quality in Carver, MA 02330
A 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.
2 active health-based violations
- Primary matched system
- South Meadow Village
- Source water
- Groundwater
- County
- Plymouth County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
Review needed
2 active health-based records
Lead 90th percentile
0.0045 mg/L
30% of action level
Utility match
9 systems
Serves 750 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
64 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
64
mg/L as CaCO₃ equivalent
Grains per gallon
3.7
1 GPG ≈ 17.1 PPM
What this means at home
At 64 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
151
Nearest site
1.3 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-CDW 151 CARVER, MA (Well).USGS source documentation ↗
Regional context
Is 02330 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Carver median
64 PPM
About the same1 indexed ZIP readings · Range 64–64 PPM
Massachusetts median
49 PPM
15 PPM higher328 indexed ZIP readings · Range 24.3–128 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)
0.0045 mg/L
Reported Jun 30, 2026
Copper (CU90)
1.59 mg/L
Reported Jun 30, 2026
Numerical coverage
3 comparable results
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0.0045
EPA limit 0.015
Copper (90th percentile)
Measured in mg/L
Local 1.59
EPA limit 1.3
Nitrate
Measured in MG/L
Local 11.35
EPA limit 10
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 9
- Health-based
- 3
- Active health-based
- 2
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Consumer Confidence Rule | MA4052072 | Addressed | Jul 1, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | MA4052072 | Unaddressed | Oct 17, 2024 |
| LEAD AND COPPER RULE REVISIONS | MA4052072 | Unaddressed | Oct 17, 2024 |
| Lead and Copper RuleHealth-based | MA4052001 | Addressed | Jan 1, 2023 |
| Revised Total Coliform Rule | MA4052072 | Resolved | Jun 11, 2022through Jan 18, 2023 |
| Revised Total Coliform Rule | MA4052072 | Archived | May 1, 2022through May 31, 2022 |
| Revised Total Coliform Rule | MA4052072 | Resolved | Jan 11, 2022through Jun 9, 2022 |
| NitrateHealth-basedReported 11.35 MG/L · MCL 10 | MA4052025 | Resolved | Jan 1, 2022through Mar 31, 2022 |
| Revised Total Coliform Rule | MA4052072 | Archived | Dec 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 Carver ZIP 02330 using 64 PPM nearby hardness and 3 reported measurement benchmarks.
Drinking water protection
Under-Sink Reverse Osmosis System
Copper (90th percentile), Nitrate, LEAD AND COPPER RULE REVISIONS, 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
Water questions for Carver
Is tap water safe in Carver?+
EPA ECHO reports 2 active health-based violations 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 64 PPM, or 3.7 grains per gallon, classified as moderately hard. 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.