Hardness
Moderately Hard
97.7 PPM · 5.7 GPG
Local water dashboard
Official source aggregationWater quality in Enfield, NH 03748
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Grafton County.
2 reported benchmark flags
- Primary matched system
- Enfield Water Dept
- Source water
- Groundwater
- County
- Grafton 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
0.04 mg/L
267% of action level
Utility match
5 systems
Serves 1,345 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
97.7 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
97.7
mg/L as CaCO₃ equivalent
Grains per gallon
5.7
1 GPG ≈ 17.1 PPM
What this means at home
At 97.7 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
27
Nearest site
11.4 mi
Observation range
Jan 13, 2016–Aug 2, 2023
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: NH-HHW 269 (Well).USGS source documentation ↗
Regional context
Is 03748 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Enfield median
98 PPM
About the same1 indexed ZIP readings · Range 97.7–97.7 PPM
New Hampshire median
58 PPM
40 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.
0 pass2 fail
Lead (PB90)
0.04 mg/L
Reported Jun 30, 2007
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 0.04
EPA limit 0.015
Combined Uranium
Measured in UG/L
Local 34
EPA limit 30
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 13
- Health-based
- 5
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Combined UraniumHealth-basedReported 34 UG/L · MCL 30 | NH0751010 | Archived | Oct 1, 2025through Dec 31, 2025 |
| Combined UraniumHealth-basedReported 32 UG/L · MCL 30 | NH0751010 | Archived | Jul 1, 2025through Sep 30, 2025 |
| Combined UraniumHealth-basedReported 32 UG/L · MCL 30 | NH0751010 | Archived | Apr 1, 2025through Jun 30, 2025 |
| Combined UraniumHealth-basedReported 31 UG/L · MCL 30 | NH0751010 | Archived | Jan 1, 2025through Mar 31, 2025 |
| Lead and Copper Rule | NH0753030 | Resolved | Dec 31, 2024through Jan 22, 2025 |
| Lead and Copper Rule | NH0753020 | Resolved | Jul 1, 2024through Jul 30, 2024 |
| E. COLI | NH0752020 | Resolved | Sep 10, 2023through Oct 2, 2023 |
| E. COLI | NH0751010 | Resolved | Sep 9, 2023through Oct 6, 2023 |
| Consumer Confidence Rule | NH0753020 | Resolved | Jul 1, 2023through Jul 7, 2023 |
| Revised Total Coliform RuleHealth-based | NH0751010 | Resolved | Nov 1, 2022through Dec 1, 2022 |
| Revised Total Coliform Rule | NH0751010 | Resolved | May 10, 2022through Jun 13, 2022 |
| Revised Total Coliform Rule | NH0751010 | Resolved | Apr 1, 2022through May 1, 2022 |
| Lead and Copper Rule | NH0752020 | Resolved | Dec 30, 2021through Jan 20, 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 Enfield ZIP 03748 using 97.7 PPM nearby hardness and 2 reported measurement benchmarks.
Drinking water protection
Under-Sink Reverse Osmosis System
Lead (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 Enfield
Is tap water safe in Enfield?+
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 97.7 PPM, or 5.7 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.