Hardness
Moderately Hard
62.6 PPM · 3.7 GPG
Local water dashboard
Official source aggregationWater quality in Wolfeboro, NH 03894
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Carroll County.
1 reported benchmark flag
- Primary matched system
- Wolfeboro Water And Sewer
- Source water
- Surface water + Groundwater
- County
- Carroll 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
0.002 mg/L
13% of action level
Utility match
5 systems
Serves 6,000 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
62.6 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
62.6
mg/L as CaCO₃ equivalent
Grains per gallon
3.7
1 GPG ≈ 17.1 PPM
What this means at home
At 62.6 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
18
Nearest site
39.3 mi
Observation range
Jan 20, 2016–Mar 17, 2026
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: LAMPREY RIVER AT LANGFORD ROAD, AT RAYMOND, NH (Stream).USGS source documentation ↗
Regional context
Is 03894 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Wolfeboro median
63 PPM
About the same1 indexed ZIP readings · Range 62.6–62.6 PPM
New Hampshire median
58 PPM
5 PPM higher90 indexed ZIP readings · Range 16–102 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)
0.002 mg/L
Reported Dec 31, 2022
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
2 comparable results
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0.002
EPA limit 0.015
Arsenic
Measured in MG/L
Local 0.014
EPA limit 0.01
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 28
- Health-based
- 2
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| ArsenicHealth-basedReported 0.014 MG/L · MCL 0.01 | NH2563010 | Archived | Jan 1, 2026through Mar 31, 2026 |
| ArsenicHealth-basedReported 0.0112 MG/L · MCL 0.01 | NH2563010 | Archived | Oct 1, 2025through Dec 31, 2025 |
| Revised Total Coliform Rule | NH2562050 | Resolved | Aug 13, 2025through Aug 26, 2025 |
| Revised Total Coliform Rule | NH2562050 | Resolved | Jul 1, 2025through Aug 1, 2025 |
| Lead and Copper Rule | NH2562050 | Resolved | Apr 1, 2025through Apr 7, 2025 |
| Lead and Copper Rule | NH2562030 | Resolved | Apr 1, 2023through Apr 3, 2023 |
| Lead and Copper Rule | NH2562010 | Resolved | Oct 1, 2021through Oct 11, 2021 |
| Public Notice | NH2562030 | Unaddressed | Mar 19, 2008 |
| Public Notice | NH2562030 | Unaddressed | Mar 19, 2008 |
| Public Notice | NH2562030 | Unaddressed | Mar 19, 2008 |
| Public Notice | NH2562030 | Unaddressed | Mar 19, 2008 |
| Public Notice | NH2562030 | Unaddressed | Mar 19, 2008 |
| Public Notice | NH2562030 | Unaddressed | Mar 19, 2008 |
| Public Notice | NH2562030 | Unaddressed | Mar 19, 2008 |
| Public Notice | NH2562030 | Unaddressed | Mar 19, 2008 |
| Public Notice | NH2562030 | Unaddressed | Mar 19, 2008 |
| Public Notice | NH2562030 | Unaddressed | Mar 19, 2008 |
| Public Notice | NH2562030 | Unaddressed | Mar 19, 2008 |
| Public Notice | NH2562030 | Unaddressed | Mar 19, 2008 |
| Public Notice | NH2562030 | Unaddressed | Mar 19, 2008 |
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 Wolfeboro ZIP 03894 using 62.6 PPM nearby hardness and 2 reported measurement benchmarks.
Drinking water protection
Under-Sink Reverse Osmosis System
Arsenic 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 Wolfeboro
Is tap water safe in Wolfeboro?+
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 62.6 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.