Canandaigua Water Hardness & Quality Report (2026)
Water Hardness
7.6 grains per gallon
Source
reservoir
pH Level
7.6
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
399 mg/L
Est. Daily Cost
$0.35
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 Canandaigua, your appliances are currently losing 17% efficiency due to mineral buildup.
| Appliance | In Canandaigua | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 5.3 yrs | 8.5 yrs | -38% |
| Washing Machine | 8.8 yrs | 12 yrs | -27% |
| Water Heater | 10.4 yrs | 15 yrs | -31% |
Regional Water Comparison
How Canandaigua compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Canandaigua, New York | 130 mg/L | 0 ppt | 🟠 Hard | reservoir |
| Geneva, New York | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | reservoir |
| Henrietta, New York | ≈ 120–179 mg/L | 7 ppt | 🟠 Hard | reservoir |
| Brighton, New York | ≈ 120–179 mg/L | 6.9 ppt | 🟠 Hard | reservoir |
| West Henrietta, New York | ≈ 120–179 mg/L | 7.2 ppt | 🟠 Hard | reservoir |
National Benchmark
How Canandaigua compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Canandaigua | 130 mg/L | 🟠 Moderate |
| USA National Avg | 151 mg/L | 🟠 Moderate |
| Scarsdale Top Rated | 0.02 mg/L | 🟢 None |
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What Makes Canandaigua's Water Unique?
Local geology and source profile
The City of Canandaigua Water Department serves some 11,264 residents in Canandaigua, New York. This utility draws from surface water sources within the Finger Lakes watershed. Its conventional treatment facilities, located within the city, employ pre-oxidation with chlorine and hypochlorite disinfection. The City of Canandaigua Water Department consistently maintains compliance with all federal and New York State drinking water standards, ensuring a safe supply for its customers.
The water originates from the Finger Lakes watershed, a region defined by Devonian-age sedimentary formations, specifically limestone and shale. As water interacts with these geological layers, it naturally dissolves minerals like calcium and magnesium. This process is directly responsible for the moderately hard character of Canandaigua's municipal water supply, a common geological signature throughout the Finger Lakes basin and central New York.
Residents in Canandaigua might notice scale buildup on faucets and inside pipes due to the water's mineral content. Appliances like water heaters, dishwashers, and washing machines can be affected by this accumulation, potentially reducing their efficiency and lifespan. To combat this, homeowners can perform regular maintenance, such as flushing water heaters annually. For those seeking to minimize scaling and prolong the life of their plumbing and appliances, installing a water softener is a practical solution.
Geology & Source: Devonian-age shale and limestone; dissolution of calcium and magnesium carbonates cause moderate hardness
Other New York Water Reports
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Frequently Asked Questions
Is Canandaigua's water safe to drink?
Do I need a water softener in Canandaigua?
How does Canandaigua compare to the USA average?
Data Sources & Methodology
Water quality data for Canandaigua 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.