The Pinery Water Hardness & Quality Report (2026)
Water Hardness
3.4 grains per gallon
Source
reservoir
pH Level
7.3
neutral = 7.0
Lead
0.001 mg/L
✓ Below action level
TDS
91.9 mg/L
Est. Daily Cost
$0.16
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 The Pinery, your appliances are currently losing 8% efficiency due to mineral buildup.
| Appliance | In The Pinery | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.7 yrs | 8.5 yrs | -9% |
| Washing Machine | 11.4 yrs | 12 yrs | -5% |
| Water Heater | 13.3 yrs | 15 yrs | -11% |
Regional Water Comparison
How The Pinery compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ The Pinery, Colorado | 58.5 mg/L | 2.3 ppt | 🟢 Soft | reservoir |
| Parker, Colorado | 74.5 mg/L | 2.8 ppt | 🟡 Moderately Hard | reservoir |
| Castle Rock, Colorado | 92 mg/L | 3.4 ppt | 🟡 Moderately Hard | reservoir |
| Castle Pines North, Colorado | 144.5 mg/L | 5 ppt | 🟠 Hard | reservoir |
| Lone Tree, Colorado | 91 mg/L | 3.3 ppt | 🟡 Moderately Hard | reservoir |
National Benchmark
How The Pinery compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ The Pinery | 58.5 mg/L | 🟢 None |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes The Pinery's Water Unique?
Local geology and source profile
The Pinery, Colorado, in Douglas County — a Douglas County unincorporated community adjacent to Parker and Castle Pines in the south Denver metro — receives its water from Parker Water and Sanitation, drawing from the Rueter-Hess Reservoir through the south metro Colorado distribution.
The soft 58.5 mg/L hardness and low TDS of 91.9 mg/L reflect the Douglas County supply's soft granite character — the Precambrian Pikes Peak Granite and Cretaceous Pierre Shale are largely insoluble crystalline and shale formations in the Front Range foothills; the Rueter-Hess Reservoir collects clean Rocky Mountain snowmelt with minimal mineral dissolution (compare Parker CO: 56/88 in Douglas County comparable; Castle Pines CO: 60/95 in Douglas County comparable; The Pinery consistent soft from the same Douglas County Rueter-Hess Reservoir Precambrian insoluble supply). The Rueter-Hess Reservoir — Precambrian Pikes Peak Granite (insoluble — primary dilutant), Cretaceous Pierre Shale (slightly calcareous — secondary dilutant), and Quaternary South Platte glacial outwash (slightly calcareous — minimal TDS).
At 58.5 mg/L with TDS 92, The Pinery's water is soft — minimal scale buildup, appliances last well. Annual descaling as preventative maintenance is sufficient. The PFAS level of 2.3 ppt is very low — an excellent and clean result for south Denver metro. Review Parker Water and Sanitation's annual water quality report.
Geology & Source: The Pinery in Douglas County draws from the Parker Water on the Rueter-Hess Reservoir supply (Douglas County, south metro Colorado) — the South Platte Front Range at Douglas County draws from Precambrian Pikes Peak Granite (insoluble) and Cretaceous Pierre Shale (slightly calcareous) — Colorado Douglas County Rueter-Hess Reservoir Precambrian insoluble supply produces soft water at 58.5 mg/L with TDS 91.9 mg/L.