Florence Water Hardness & Quality Report (2026)
Water Hardness
~120–179 mg/L
Hardestimated · not lab-verified
Source
river
pH Level
8.1
neutral = 7.0
Lead
0.006 mg/L
✓ Below action level
TDS
388.9 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 Florence, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Florence | 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 Florence compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Florence, Kentucky | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | river |
| Erlanger, Kentucky | ≈ 120–179 mg/L | 4.4 ppt | 🟠 Hard | river |
| Independence, Kentucky | ≈ 120–179 mg/L | 3.2 ppt | 🟠 Hard | river |
| Burlington, Kentucky | ≈ 120–179 mg/L | 3.1 ppt | 🟠 Hard | river |
| Covington, Kentucky | ≈ 120–179 mg/L | 4.6 ppt | 🟠 Hard | river |
National Benchmark
How Florence compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Florence | ≈ 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 Florence's Water Unique?
Local geology and source profile
The Boone-Florence Water Commission (BFWC) serves Florence in Boone County, Kentucky, as part of the Northern Kentucky region. Their drinking water is sourced exclusively from the Ohio River, with raw water supplied by the Greater Cincinnati Water Works (GCWW). Treatment occurs at GCWW facilities — using coagulation, sedimentation, filtration, and chloramination — before distribution through BFWC infrastructure to over 155 sampling locations in the service area. The utility complies with EPA standards as detailed in annual reports, including the 2024 Water Quality Report.
The Ohio River watershed spans 204,000 square miles draining parts of 14 states. The geology is dominated by Paleozoic sedimentary rocks — particularly Ordovician Lexington Limestone and shales in the upper basin — transitioning to Pennsylvanian sandstones downstream. Karst features and dolomite formations in Kentucky's river valley, including the Borden Group siltstones and Blue Lick Shale, enhance mineral dissolution as river water flows through these carbonate-rich terrains. This imparts a hard character to the supply, moderated seasonally by precipitation-driven dilution.
At hard hardness levels, scale buildup is common in pipes, water heaters, dishwashers, and washing machines, reducing efficiency and lifespan. Soap lathering is less effective, leading to higher detergent use and spotted dishes. Regular vinegar descaling of fixtures, annual water heater flushing, and sediment filter installation all help. A water softener is recommended to protect appliances and improve cleaning. The 2024 BFWC Water Quality Report confirms full compliance with EPA standards; source water susceptibility analyses are available from the Northern Kentucky Area Development District.
Geology & Source: Ohio River watershed; Paleozoic Ordovician Lexington Limestone, Borden Group siltstones, and Blue Lick Shale dominate the Appalachian Basin — carbonate-rich bedrock and karst dolomite outcrops dissolve calcium and magnesium into river water,
Other Kentucky Water Reports
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Frequently Asked Questions
Is Florence's water safe to drink?
Do I need a water softener in Florence?
How does Florence compare to the USA average?
Data Sources & Methodology
Water quality data for Florence 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.