Salem Water Hardness & Quality Report (2026)
Water Hardness
~120–179 mg/L
Hardestimated · not lab-verified
Source
river
pH Level
7.6
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
180.6 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 Salem, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Salem | 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 Salem compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Salem, Ohio | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | river |
| Austintown, Ohio | ≈ 120–179 mg/L | 8.2 ppt | 🟠 Hard | groundwater |
| Boardman, Ohio | ≈ 120–179 mg/L | 5.6 ppt | 🟠 Hard | river |
| Alliance, Ohio | ≈ 120–179 mg/L | 5.4 ppt | 🟠 Hard | river |
| Youngstown, Ohio | ≈ 180+ mg/L | 55.8 ppt | 🔴 Very Hard | river |
National Benchmark
How Salem compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Salem | ≈ 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 Salem's Water Unique?
Local geology and source profile
The City of Salem Utilities Department provides water to approximately 17,342 residents in Salem, Ohio, and Columbiana County. The supply originates from surface water within tributaries of the Mahoning River watershed, drawing from the Allegheny Plateau region of eastern Ohio. Water undergoes treatment at the city's facility located at 231 S. Broadway Avenue, Salem, OH 44460. For inquiries, residents can contact Utilities Superintendent Butch Donnalley at 330-337-8723 or asstsuper@cityofsalemohio.org. The 2025 Annual Water Quality Report is accessible on the city's official website.
The water's mineral content is influenced by the region's geology, characterized by Devonian-age shales, sandstones, and limestones. These bedrock formations are covered by Pleistocene glacial deposits, including outwash sands and gravels. As water flows through these materials, it dissolves calcium and magnesium ions, particularly from limestone fragments and dolomite-rich glacial sediments. This natural dissolution process, typical of the glaciated Appalachian foreland, results in a hard water profile for Salem's supply.
This hard water can lead to scale buildup in household appliances like water heaters, dishwashers, and washing machines, potentially reducing their efficiency and lifespan. You might notice white deposits, decreased water flow, and increased energy consumption. Homeowners can combat scale by regularly descaling with vinegar, installing sediment filters, and performing annual flushing of water heaters. To further mitigate these effects, improve soap lathering, and achieve spot-free dishes, installing a water softener is recommended. While no health standards for hardness were exceeded, the utility monitors for potential contaminants and publishes annual reports on its website.
Geology & Source: Allegheny Plateau; Devonian shales, sandstones, and limestones with Pleistocene glacial till and outwash produce hard water
Other Ohio Water Reports
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Frequently Asked Questions
Is Salem's water safe to drink?
Do I need a water softener in Salem?
How does Salem compare to the USA average?
Data Sources & Methodology
Water quality data for Salem 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.