Storrs Water Hardness & Quality Report (2026)
Water Hardness
3.3 grains per gallon
Source
reservoir
pH Level
7.5
neutral = 7.0
Lead
0.005 mg/L
✓ Below action level
TDS
114.8 mg/L
Est. Daily Cost
$0.15
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 Storrs, your appliances are currently losing 7% efficiency due to mineral buildup.
| Appliance | In Storrs | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.8 yrs | 8.5 yrs | -8% |
| Washing Machine | 11.5 yrs | 12 yrs | -4% |
| Water Heater | 13.4 yrs | 15 yrs | -11% |
Regional Water Comparison
How Storrs compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Storrs, Connecticut | 56 mg/L | 8.1 ppt | 🟢 Soft | reservoir |
| Mansfield City, Connecticut | 41.5 mg/L | 6.9 ppt | 🟢 Soft | reservoir |
| Willimantic, Connecticut | 37 mg/L | 6.5 ppt | 🟢 Soft | reservoir |
| Tolland, Connecticut | 73 mg/L | 9.6 ppt | 🟡 Moderately Hard | reservoir |
| Windham, Connecticut | 40 mg/L | 6.7 ppt | 🟢 Soft | reservoir |
National Benchmark
How Storrs compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Storrs | 56 mg/L | 🟢 None |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Storrs's Water Unique?
Local geology and source profile
Storrs, Connecticut, in Tolland County — a Tolland County community (Mansfield Township) adjacent to Willimantic and Coventry — home to the University of Connecticut (UConn) on the Fenton River in northeast Connecticut — receives its water from the UConn Water Pollution Control Authority and local utilities, drawing from the Fenton River watershed (Tolland County) through the northeast Connecticut distribution.
The soft 56 mg/L hardness and TDS of 114.8 mg/L reflect the northeast Connecticut New England Upland's nearly insoluble crystalline basement — consistent with other northeast Connecticut communities (Plainfield: 40.5 mg/L; Coventry: ~55 mg/L). The Fenton River (Tolland County) drains the New England Upland — Precambrian Eastern Connecticut Gneiss (insoluble), Precambrian Hebron Gneiss (insoluble), and Triassic Hartford Basin deposits (slightly calcareous at the western edge — trace hardness contributor). The insoluble New England crystalline basement produces the soft northeast Connecticut supply.
At 56 mg/L, Storrs' water is soft — light scale forms very slowly in appliances, dishwashers are highly efficient, and bathroom fixtures need minimal cleaning. Annual descaling is sufficient. The PFAS level of 8.1 ppt warrants a certified reverse osmosis drinking water filter — Groton-New London Submarine Base (New London County — AFFF, the dominant eastern Connecticut PFAS source with direct watershed influence on the Thames-Fenton corridor), and the northeast Connecticut industrial legacy (historic textile manufacturing PFAS) contribute to Storrs' elevated readings despite the soft water.
Geology & Source: Storrs in Tolland County draws from the University of Connecticut Water System on Fenton River sources (Tolland County, northeast Connecticut) — the Fenton drains the New England Upland (Precambrian Eastern Connecticut Gneiss — insoluble) — Connecticut Tolland County Fenton River New England crystalline watershed produces soft water at 56 mg/L with TDS 114.8 mg/L in this northeast Connecticut community.