Hardness
Soft
32.7 PPM · 1.9 GPG
Local water dashboard
Official source aggregationWater quality in Wellfleet, MA 02667
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Barnstable County.
1 reported benchmark flag
- Primary matched system
- Wellfleet Municipal Water System
- Source water
- Groundwater
- County
- Barnstable 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
0.0019 mg/L
12% of action level
Utility match
5 systems
Serves 750 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
32.7 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
32.7
mg/L as CaCO₃ equivalent
Grains per gallon
1.9
1 GPG ≈ 17.1 PPM
What this means at home
At 32.7 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
68
Nearest site
33 mi
Observation range
May 16, 2016–Sep 22, 2023
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: MA-PWW 411 (Well).USGS source documentation ↗
Regional context
Is 02667 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Wellfleet median
33 PPM
About the same1 indexed ZIP readings · Range 32.7–32.7 PPM
Massachusetts median
49 PPM
16 PPM lower328 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 pass1 fail
Lead (PB90)
0.0019 mg/L
Reported Dec 31, 2025
Copper (CU90)
2.615 mg/L
Reported Dec 31, 2016
Numerical coverage
2 comparable results
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0.0019
EPA limit 0.015
Copper (90th percentile)
Measured in mg/L
Local 2.615
EPA limit 1.3
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 7
- Health-based
- 0
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Revised Total Coliform Rule | MA4318094 | Resolved | Jan 11, 2026through Feb 20, 2026 |
| Revised Total Coliform Rule | MA4318094 | Archived | Dec 1, 2025through Dec 31, 2025 |
| Revised Total Coliform Rule | MA4318056 | Resolved | Jan 11, 2025through Feb 5, 2025 |
| Revised Total Coliform Rule | MA4318056 | Archived | Dec 1, 2024through Dec 31, 2024 |
| Consumer Confidence Rule | MA4318091 | Resolved | Jul 1, 2022through Aug 15, 2022 |
| Consumer Confidence Rule | MA4318040 | Resolved | Jul 1, 2022through Aug 15, 2022 |
| Consumer Confidence Rule | MA4318107 | Addressed | Jul 1, 2022 |
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 Wellfleet ZIP 02667 using 32.7 PPM nearby hardness and 2 reported measurement benchmarks.
Drinking water protection
Under-Sink Reverse Osmosis System
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
Water questions for Wellfleet
Is tap water safe in Wellfleet?+
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 32.7 PPM, or 1.9 grains per gallon, classified as soft. 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.