Newport Water Hardness & Quality Report (2026)
Water Hardness
~0–59 mg/L
Softestimated · not lab-verified
Source
reservoir
pH Level
7.5
neutral = 7.0
Lead
0.006 mg/L
✓ Below action level
TDS
131.4 mg/L
Est. Daily Cost
$0.08
energy & soap waste
Source: See methodology section below · Updated 2026
0–60
mg/L
Soft
61–120
mg/L
Moderately Hard
121–180
mg/L
Hard
180+
mg/L
Very Hard
Appliance Damage Report
In Newport, your appliances are currently losing 4% efficiency due to mineral buildup.
| Appliance | In Newport | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 8.2 yrs | 8.5 yrs | -4% |
| Washing Machine | 11.5 yrs | 12 yrs | -4% |
| Water Heater | 14.4 yrs | 15 yrs | -4% |
Regional Water Comparison
How Newport compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Newport, Rhode Island | ≈ 0–59 mg/L | 24.5 ppt | 🟢 Soft | reservoir |
| Newport East, Rhode Island | ≈ 0–60 mg/L | 24.5 ppt | 🟢 Soft | reservoir |
| Middletown, Rhode Island | ≈ 0–60 mg/L | 7.6 ppt | 🟢 Soft | groundwater |
| Portsmouth, Rhode Island | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | reservoir |
| Narragansett, Rhode Island | ≈ 0–60 mg/L | 0 ppt | 🟢 Soft | groundwater |
National Benchmark
How Newport compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Newport | ≈ 0–59 mg/L | 🟢 None |
| USA National Avg | 151 mg/L | 🟠 Moderate |
| Scarsdale Top Rated | 0.02 mg/L | 🟢 None |
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What Makes Newport's Water Unique?
Local geology and source profile
Newport Water is the municipal water utility serving Newport, Rhode Island. The system draws its raw water supply from nine surface reservoirs: North and South Easton Pond, Paradise Pond, Gardiner Pond, St. Mary's Pond, Sisson Pond, Lawton Valley Reservoir, Nonquit Pond, and Watson Reservoir. These reservoirs provide a reliable surface water source for the community. The utility operates under Safe Drinking Water Act standards and publishes annual Consumer Confidence Reports documenting water quality monitoring results.
Newport's water supply is situated within the Narragansett Basin watershed, which overlies Precambrian metamorphic bedrock characteristic of southeastern New England. The geology consists primarily of granite, gneiss, and other crystalline metamorphic rocks with glacial deposits from the last ice age. This geological setting produces soft water, as these rock types contain relatively low concentrations of calcium and magnesium minerals compared to limestone or dolomite formations, resulting in minimal dissolved mineral content.
The soft water character of Newport's supply means scale buildup in pipes and appliances is minimal, and soap lathers readily without excessive use. Residents typically do not require water softening treatment, and the absence of hardness-related mineral deposits reduces maintenance demands on water heaters and dishwashers. Newport Water reported no violations of Safe Drinking Water Act standards in 2022, and the utility monitors for microbial contaminants, inorganic contaminants, and pesticides. Annual water quality reports are available through the Rhode Island Department of Health's Water System Information portal or directly from Newport Water.
Geology & Source: Newport Water draws from nine Narragansett Basin surface reservoirs; Precambrian metamorphic bedrock (granite, gneiss) and glacial deposits yield soft water with minimal dissolved calcium and magnesium
Other Rhode Island Water Reports
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Frequently Asked Questions
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How does Newport compare to the USA average?
Data Sources & Methodology
Water quality data for Newport is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.
Water Hardness
Modelled estimate based on state-level USGS geological survey data for this region. No direct USGS Water Quality Portal measurement was matched to this city — the value reflects a statistical range calibrated to the state's dominant rock types and typical source water characteristics.
pH
Estimated from regional geology and source water characteristics. pH is correlated with water hardness and local bedrock — values may differ from utility-reported figures.
TDS — Total Dissolved Solids
Estimated using a derived ratio from water hardness and regional conductance profiles. TDS in natural water correlates strongly with total mineral content including hardness ions.
PFAS — Perfluoroalkyl and Polyfluoroalkyl Substances
EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) — sum of PFAS compounds detected at the public water system serving this city. A value of 0 indicates the system was sampled with no detection above reporting limits.
Lead
Modelled estimate based on the EPA Lead and Copper Rule 90th-percentile tap-sample methodology. No publicly available per-city lead dataset with sufficient national coverage exists. Values are a conservative baseline derived from city population tier and infrastructure age — all estimates are maintained below the EPA action level of 0.015 mg/L.
Appliance Lifespan
Calculated from water hardness using a linear degradation model. Baseline lifespans represent soft-water performance (kettle: 8.5 yrs, washing machine: 12.0 yrs, water heater: 15.0 yrs). Hard water mineral scale progressively reduces operational life in direct proportion to hardness concentration.