Oatfield Water Hardness & Quality Report (2026)
Water Hardness
4.4 grains per gallon
Source
reservoir
pH Level
7.6
neutral = 7.0
Lead
0.006 mg/L
✓ Below action level
TDS
169.9 mg/L
Est. Daily Cost
$0.20
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 Oatfield, your appliances are currently losing 10% efficiency due to mineral buildup.
| Appliance | In Oatfield | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.1 yrs | 8.5 yrs | -16% |
| Washing Machine | 10.8 yrs | 12 yrs | -10% |
| Water Heater | 12.6 yrs | 15 yrs | -16% |
Regional Water Comparison
How Oatfield compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Oatfield, Oregon | 74.5 mg/L | 2.2 ppt | 🟡 Moderately Hard | reservoir |
| Oak Grove, Oregon | 34 mg/L | 1.5 ppt | 🟢 Soft | reservoir |
| West Linn, Oregon | 64 mg/L | 2 ppt | 🟡 Moderately Hard | reservoir |
| Milwaukie, Oregon | 24.5 mg/L | 1.3 ppt | 🟢 Soft | reservoir |
| Oregon City, Oregon | 53.5 mg/L | 1.8 ppt | 🟢 Soft | reservoir |
National Benchmark
How Oatfield compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Oatfield | 74.5 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
Bring Badger-quality water to your Oatfield home
Shop water softeners on Amazon.com →
What Makes Oatfield's Water Unique?
Local geology and source profile
Oatfield, Oregon, in Clackamas County — a Clackamas County community adjacent to Milwaukie and Oak Grove in the south Portland metro — receives its water from the Clackamas River Water or Portland Water Bureau, drawing from the Clackamas River or Bull Run watershed (Clackamas County) through the south Portland metro distribution.
The moderately soft 74.5 mg/L hardness and TDS of 169.9 mg/L reflect the northwest Oregon Clackamas County supply's soft character — driven by the Cascade Mountains' Oligocene-Eocene insoluble volcanic bedrock watershed with very limited calcareous dissolution, typical of the southwest Portland metro communities drawing from the Clackamas River system (compare White Center WA: 23 mg/L on the softer Cedar River Cascades supply). The Clackamas-Bull Run watershed at Clackamas County — Oligocene Ohanapecosh Formation (insoluble — primary dilutant), Eocene Rhododendron Formation (insoluble — dilutant), and Pleistocene glacial drift (slightly calcareous — primary hardness contributor).
At 74.5 mg/L, Oatfield'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 2.2 ppt is low — warrants routine monitoring but no urgent filtration.
Geology & Source: Oatfield in Clackamas County draws from the Clackamas River Water on the Clackamas River or Bull Run watershed (Clackamas County, northwest Oregon) — the Clackamas-Bull Run watershed drains the Cascades (Oligocene Ohanapecosh Formation — insoluble) and Eocene Rhododendron Formation (insoluble) — Oregon Clackamas County Clackamas-Bull Run Oligocene-Eocene insoluble Cascades supply produces moderately soft water at 74.5 mg/L with TDS 169.9 mg/L.