Corning Water Hardness & Quality Report (2026)
Water Hardness
4.1 grains per gallon
Source
reservoir
pH Level
7.4
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
114 mg/L
Est. Daily Cost
$0.19
energy & soap waste
Source: USGS Water Quality Portal · 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 Corning, your appliances are currently losing 9% efficiency due to mineral buildup.
| Appliance | In Corning | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.3 yrs | 8.5 yrs | -14% |
| Washing Machine | 11 yrs | 12 yrs | -8% |
| Water Heater | 12.8 yrs | 15 yrs | -15% |
Regional Water Comparison
How Corning compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Corning, New York | 71 mg/L | 3.6 ppt | 🟡 Moderately Hard | reservoir |
| Elmira, New York | 78 mg/L | 4 ppt | 🟡 Moderately Hard | reservoir |
| Ithaca, New York | 113 mg/L | 5.6 ppt | 🟡 Moderately Hard | reservoir |
| Geneva, New York | 163 mg/L | 7.9 ppt | 🟠 Hard | reservoir |
| Canandaigua, New York | 80.5 mg/L | 4.1 ppt | 🟡 Moderately Hard | reservoir |
National Benchmark
How Corning compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Corning | 71 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Corning's Water Unique?
Local geology and source profile
Corning, New York, in Steuben County — the Steuben County seat adjacent to Hornell and Painted Post on the Chemung River in south-central New York, home of Corning Inc. — receives its water from the City of Corning Water Department, drawing from the Tioga River watershed through the south-central New York distribution.
The soft 71 mg/L hardness and TDS of 114 mg/L reflect the Steuben County Tioga supply's soft Devonian character — the Devonian Genesee Formation is slightly calcareous shale while the Devonian Catskill Formation is largely insoluble red-bed sandstone, and the upland Tioga watershed drains mostly insoluble Devonian clastic formations (compare Hornell NY: 68/108 in Steuben County comparable; Painted Post NY: 73/119 in Steuben County comparable; Corning consistent soft from the same Steuben County Tioga River Devonian insoluble supply). The Tioga watershed — Devonian Genesee Formation (slightly calcareous — primary hardness contributor), Devonian Catskill Formation (insoluble — primary dilutant), and Quaternary Chemung alluvium (slightly calcareous — minor TDS).
At 71 mg/L with TDS 114, Corning's water is soft — minimal scale buildup. Annual descaling is appropriate. The PFAS level of 3.6 ppt is low — a clean result for south-central New York. Review the City of Corning's annual water quality report.
Geology & Source: Corning in Steuben County draws from the City of Corning Water on Tioga River watershed (Steuben County, south-central New York) — the Tioga watershed drains Devonian Genesee Formation (slightly calcareous) and Devonian Catskill Formation (insoluble) — New York Steuben County Tioga River Devonian insoluble supply produces soft water at 71 mg/L with TDS 114 mg/L.