Laurel 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
0.002 mg/L
✓ Below action level
TDS
149.2 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 Laurel, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Laurel | 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 Laurel compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Laurel, Maryland | ≈ 120–179 mg/L | 37 ppt | 🟠 Hard | reservoir |
| South Laurel, Maryland | 180.5 mg/L | 9.9 ppt | 🔴 Very Hard | reservoir |
| Maryland City, Maryland | ≈ 120–179 mg/L | 8.8 ppt | 🟠 Hard | reservoir |
| Scaggsville, Maryland | ≈ 120–179 mg/L | 7 ppt | 🟠 Hard | reservoir |
| Beltsville, Maryland | ≈ 120–179 mg/L | 7.2 ppt | 🟠 Hard | reservoir |
National Benchmark
How Laurel compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Laurel | ≈ 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 Laurel's Water Unique?
Local geology and source profile
Laurel Water Supply operates as a public water system in Laurel, Maryland, serving parts of Prince George's and Howard Counties. The utility relies on a single deep well — 729 feet in depth — drawing exclusively from the Patapsco Aquifer. There are no surface water sources or treatment plants involved; water is extracted directly from this groundwater well. The 2022 Consumer Confidence Report confirms compliance with EPA standards, including non-detect levels for PFAS compounds such as PFOA and PFOS, meeting Safe Drinking Water Act requirements without notable contaminant exceedances.
The supply originates from the Patapsco Aquifer, part of the Potomac Group formations spanning Cretaceous sands and gravels interbedded with siltstones. Overlying soils and limestone-rich layers contribute to the water's chemistry as groundwater percolates through these formations, dissolving calcium and magnesium from rocks and sediments. This geology imparts a hard character to the water through natural mineral leaching, common in the regional aquifer system serving central Maryland. Iron levels can also rise from similar geological interactions in the aquifer sediments.
Hard water from the Patapsco Aquifer leads to scale buildup in pipes, water heaters, dishwashers, washing machines, and coffee makers, reducing efficiency and lifespan. Mineral deposits cause staining and clogging in most affected appliances. Regular vinegar descaling helps, and installation of a water softener is recommended for households to protect plumbing. The system urges testing for lead concerns, as no specific lead and copper data is detailed in available summaries; no contaminants exceeded limits per the 2022 CCR.
Geology & Source: Patapsco Aquifer, Cretaceous Patapsco Formation (Potomac Group); unconsolidated sands, gravels, clays, and siltstones — calcium and magnesium dissolved through limestone-rich overlying layers produce hard supply; elevated iron also possible
Other Maryland Water Reports
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Frequently Asked Questions
Is Laurel's water safe to drink?
Do I need a water softener in Laurel?
How does Laurel compare to the USA average?
Data Sources & Methodology
Water quality data for Laurel 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.