Longmeadow Water Hardness & Quality Report (2026)
Water Hardness
5.5 grains per gallon
Source
reservoir
pH Level
7.7
neutral = 7.0
Lead
0.007 mg/L
✓ Below action level
TDS
224.4 mg/L
Est. Daily Cost
$0.25
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 Longmeadow, your appliances are currently losing 13% efficiency due to mineral buildup.
| Appliance | In Longmeadow | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.5 yrs | 8.5 yrs | -24% |
| Washing Machine | 10.1 yrs | 12 yrs | -16% |
| Water Heater | 11.8 yrs | 15 yrs | -21% |
Regional Water Comparison
How Longmeadow compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Longmeadow, Massachusetts | 95 mg/L | 9.7 ppt | 🟡 Moderately Hard | reservoir |
| Agawam, Massachusetts | 61 mg/L | 7.3 ppt | 🟡 Moderately Hard | reservoir |
| Springfield, Massachusetts | 51.5 mg/L | 6.7 ppt | 🟢 Soft | reservoir |
| West Springfield, Massachusetts | 81.5 mg/L | 8.8 ppt | 🟡 Moderately Hard | reservoir |
| East Longmeadow, Massachusetts | 122.5 mg/L | 11.6 ppt | 🟠 Hard | reservoir |
National Benchmark
How Longmeadow compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Longmeadow | 95 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
Bring Badger-quality water to your Longmeadow home
Shop water softeners on Amazon.com →
What Makes Longmeadow's Water Unique?
Local geology and source profile
Longmeadow, Massachusetts, in Hampden County — a Hampden County town adjacent to Springfield and East Longmeadow in the Connecticut River Valley of western Massachusetts — receives its municipal water from the Springfield Water and Sewer Commission, drawing from Cobble Mountain Reservoir (Little River, Hampden County) through the Springfield metro water treatment system.
The moderately soft 95 mg/L hardness and TDS of 224.4 mg/L (elevated TDS relative to hardness — suggesting additional mineral loading from the Triassic Hartford Basin geology) reflect the western Massachusetts Connecticut River Valley's moderate calcareous character. The Cobble Mountain Reservoir (Little River) drains the Berkshire Hills — Precambrian Rowe Schist (insoluble), Triassic Hartford Basin (calcareous arkosic sandstone — the primary hardness and TDS contributor), and Jurassic Holyoke Basalt (insoluble). The Triassic calcareous basin input produces the moderately soft Springfield metro supply.
At 95 mg/L, Longmeadow's water is moderately soft — light scale forms slowly in appliances, dishwashers remain efficient, and bathroom fixtures need occasional cleaning. Semi-annual descaling is appropriate. The PFAS level of 9.7 ppt warrants a certified reverse osmosis drinking water filter — Westover Air Reserve Base (Hampden County — AFFF, directly in the Springfield metro watershed, a significant PFAS source for the Springfield Water system), and the western Massachusetts PFAS complex contribute to Longmeadow's very elevated readings.
Geology & Source: Longmeadow in Hampden County draws from the Springfield Water and Sewer Commission on the Cobble Mountain Reservoir (Hampden County, western Massachusetts) — Cobble Mountain drains the Berkshire Hills (Precambrian Rowe Schist, Triassic Hartford calcareous basin) — Massachusetts Hampden County Cobble Mountain Berkshire-Triassic watershed produces moderately soft water at 95 mg/L with TDS 224.4 mg/L in this Hampden County Massachusetts town.