Englewood Water Hardness & Quality Report (2026)
Water Hardness
~120–179 mg/L
Hardestimated · not lab-verified
Source
reservoir
pH Level
7.5
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
146.4 mg/L
Est. Daily Cost
$0.40
energy & soap waste
Source: See methodology section below · 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 Englewood, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Englewood | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.8 yrs | 8.5 yrs | -20% |
| Washing Machine | 9.6 yrs | 12 yrs | -20% |
| Water Heater | 12 yrs | 15 yrs | -20% |
Regional Water Comparison
How Englewood compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Englewood, Colorado | ≈ 120–179 mg/L | 48.1 ppt | 🟠 Hard | reservoir |
| Littleton, Colorado | ≈ 120–179 mg/L | 3.1 ppt | 🟠 Hard | reservoir |
| Greenwood Village, Colorado | ≈ 120–179 mg/L | 3.1 ppt | 🟠 Hard | reservoir |
| Southglenn, Colorado | ≈ 120–179 mg/L | 3.6 ppt | 🟠 Hard | reservoir |
| Denver, Colorado | ≈ 60–120 mg/L | 2 ppt | 🟡 Moderately Hard | reservoir |
National Benchmark
How Englewood compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Englewood | ≈ 120–179 mg/L | 🟠 Moderate |
| USA National Avg | 151 mg/L | 🟠 Moderate |
| Scarsdale Top Rated | 0.02 mg/L | 🟢 None |
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What Makes Englewood's Water Unique?
Local geology and source profile
Englewood City Public Water System serves approximately 33,000 residents in Englewood, Colorado, located in Arapahoe County near Denver. The utility sources water primarily from surface water including the South Platte River and Cherry Creek Reservoir. Treatment occurs at the city's modernized water plant utilizing aeration, conventional filtration, pre-oxidation with chlorine, chloramines, hypochlorite, and UV light. The service area is centered in Englewood, with the utility reachable at 303-762-2685, 1500 W Layton Ave, Englewood, CO 80110.
The watershed encompasses the South Platte River basin and Cherry Creek drainage in the Front Range of the Rocky Mountains, with geology dominated by Cretaceous sedimentary rocks and unconfined alluvial aquifers of the Denver Basin. Formations including the Laramie Formation and Arapahoe Aquifer feature limestone and dolomite layers that contribute dissolved calcium and magnesium minerals, resulting in a hard supply. Recent infrastructure upgrades including ozone treatment and centrifuge systems address taste, odor, and biological compounds from algae and stormwater runoff previously entering via the city ditch.
At this hard level, Englewood residents experience significant scale buildup in dishwashers, washing machines, water heaters, and coffee makers, reducing efficiency and lifespan. Soap and detergent usage increases due to reduced lathering, and spotting occurs on glassware and fixtures. Regular maintenance includes monthly vinegar descaling for appliances and showerheads; a whole-house water softener is strongly recommended. Water quality scores a B- overall, with 11 detected contaminants including chromium-6, radium, uranium, haloacetic acids, trihalomethanes, arsenic, and nitrate, with 6 above EPA MCLGs and 1–2 MCL violations recorded.
Geology & Source: South Platte River and Cherry Creek Reservoir surface sources; Denver Basin aquifers — Cretaceous Laramie Formation and Arapahoe Aquifer with limestone and dolomite layers; dissolved calcium and magnesium produce hard supply
Other Colorado Water Reports
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Frequently Asked Questions
Is Englewood's water safe to drink?
Do I need a water softener in Englewood?
How does Englewood compare to the USA average?
Data Sources & Methodology
Water quality data for Englewood is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.
Water Hardness
Modelled estimate based on state-level USGS geological survey data for this region. No direct USGS Water Quality Portal measurement was matched to this city — the value reflects a statistical range calibrated to the state's dominant rock types and typical source water characteristics.
pH
Estimated from regional geology and source water characteristics. pH is correlated with water hardness and local bedrock — values may differ from utility-reported figures.
TDS — Total Dissolved Solids
Estimated using a derived ratio from water hardness and regional conductance profiles. TDS in natural water correlates strongly with total mineral content including hardness ions.
PFAS — Perfluoroalkyl and Polyfluoroalkyl Substances
EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) — sum of PFAS compounds detected at the public water system serving this city. A value of 0 indicates the system was sampled with no detection above reporting limits.
Lead
Modelled estimate based on the EPA Lead and Copper Rule 90th-percentile tap-sample methodology. No publicly available per-city lead dataset with sufficient national coverage exists. Values are a conservative baseline derived from city population tier and infrastructure age — all estimates are maintained below the EPA action level of 0.015 mg/L.
Appliance Lifespan
Calculated from water hardness using a linear degradation model. Baseline lifespans represent soft-water performance (kettle: 8.5 yrs, washing machine: 12.0 yrs, water heater: 15.0 yrs). Hard water mineral scale progressively reduces operational life in direct proportion to hardness concentration.