LocalDataPoint

Roy Water Hardness & Quality Report (2026)

Water Hardness

very hard

180+ mg/L

Very Hard

estimated Β· not lab-verified

Source

reservoir

pH Level

8.5

neutral = 7.0

Lead

0.006 mg/L

βœ“ Below action level

TDS

719.9 mg/L

Est. Daily Cost

$0.91

energy & soap waste

Source: See methodology section below Β· Updated 2026

very hard180+ mg/LVery Hard Β· est.

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 Roy, your appliances are currently losing 45% efficiency due to mineral buildup.

ApplianceIn RoySoft Water CityEfficiency Loss
Kettle
4.7 yrs
8.5 yrs-45%
Washing Machine
6.6 yrs
12 yrs-45%
Water Heater
8.3 yrs
15 yrs-45%

Regional Water Comparison

How Roy compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
β–Ά Roy, Utahβ‰ˆ 180+ mg/L0 pptπŸ”΄ Very Hardreservoir
Clinton, Utahβ‰ˆ 180+ mg/L0 pptπŸ”΄ Very Hardreservoir
West Haven, Utahβ‰ˆ 180+ mg/L4.9 pptπŸ”΄ Very Hardgroundwater
Clearfield, Utahβ‰ˆ 120–179 mg/L3.6 ppt🟠 Hardmixed
South Ogden, Utahβ‰ˆ 120–179 mg/L4.9 ppt🟠 Hardmixed

National Benchmark

How Roy compares to the USA average

BenchmarkHardnessAppliance Risk
β–Ά Royβ‰ˆ 180+ mg/LπŸ”΄ High
USA National Avg151 mg/L🟠 Moderate
Scarsdale Top Rated0.02 mg/L🟒 None

Bring Scarsdale-quality water to your Roy home

Shop water softeners on Amazon.com β†’

Shop Now

What Makes Roy's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 719.9 mg/LpH: 8.5

Roy City Public Works Department supplies water to the city of Roy in Weber County, Utah, serving residents within ZIP code 84067. The utility blends surface water from local reservoirs with groundwater drawn from deep aquifers in the Weber Valley, part of the Great Basin hydrologic region, ensuring year-round supply reliability. No specific treatment plant names are detailed in available reports, but regular testing complies with EPA and Utah DEQ standards. The service area covers the municipal boundaries of Roy, a suburban community northwest of Ogden.

The watershed encompasses Weber River basin tributaries and local mountain recharge zones feeding valley-fill aquifers. These aquifers tap into unconsolidated alluvial gravels and sands overlying confined bedrock formations rich in carbonates. The geology features limestone and dolomite outcrops from regional thrust faults of the Sevier Orogenic Belt, naturally mineralizing the water through dissolution of calcium and magnesium ions, resulting in a very hard supply prone to elevated scale formation.

Very hard water promotes significant limescale buildup in pipes, water heaters, dishwashers, and washing machines, reducing efficiency and lifespan. Faucets and fixtures may develop white deposits, while laundry and skin feel less clean. Routine maintenance includes monthly vinegar descaling for appliances, installing drain screens, and flushing water heaters biannually. A whole-house water softener is highly recommended to mitigate these effects and protect plumbing. Tap water meets all EPA safety standards with no notable violations; slight mineral taste or odor is common but harmless, and filters can improve palatability.

Geology & Source: Weber Valley Great Basin β€” Quaternary alluvial deposits over Tertiary Arapien Shale and Mesozoic carbonates from the Sevier Orogenic Belt; limestone and dolomite leach calcium and magnesium, producing hard water

Other Utah Water Reports

Report an Issue

Notice an error or missing data? Help us keep this page accurate. If you spot incorrect water hardness, outdated utility info, or missing details, please let us know.

All reports are reviewed by our team. Thank you for supporting data quality!

Contact Us

Frequently Asked Questions

Is Roy's water safe to drink?
Yes. Roy's water meets all federal safety standards. The hardness is β‰ˆ 180+ mg/L (Very Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.
Do I need a water softener in Roy?
At β‰ˆ 180+ mg/L (Very Hard), Roy's water will cause significant limescale on kettles, washing machines, and water heaters. A water softener or descaler is strongly recommended to extend appliance lifespan and reduce energy bills by up to 45%.
How does Roy compare to the USA average?
The USA national average is 151 mg/L. Roy (β‰ˆ 180+ mg/L) is 189 mg/L above the national average. The softest major city is Scarsdale at just 0.02 mg/L.

Data Sources & Methodology

Water quality data for Roy is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.

Estimated

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 β€” the value reflects a statistical range calibrated to the state's dominant rock types and typical source water characteristics.

Estimated

pH

Estimated from regional geology and source water characteristics. pH is correlated with water hardness and local bedrock β€” values may differ from utility-reported figures.

Estimated

TDS β€” 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.

Measured

PFAS β€” Perfluoroalkyl and Polyfluoroalkyl Substances

EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) β€” 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.

Modelled

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 β€” all estimates are maintained below the EPA action level of 0.015 mg/L.

Calculated

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.