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Water Statistics
The numbers behind water quality and hardness — consumption, cost, contamination, and the water-treatment market. Every statistic is traced to its source; nothing here is an unlabeled estimate.
Bottled Water vs Tap Water Statistics 2025
Source-verified bottled vs tap water statistics — consumption, cost per gallon, environmental impact, recycling rates, and what the data says about which is actually cleaner.
Hard Water Appliance Damage Costs: What Scale Really Costs Your Home
Source-verified hard water appliance damage statistics — how scale shortens appliance life, the efficiency loss, and what it adds up to in replacement and energy costs.
Hard Water Statistics: How Common It Is, What It Costs, and Regional Differences
Source-verified hard water statistics — how hardness is measured, the real cost to households and appliances, and where in the US water runs hardest. No inflated numbers.
Household Water Usage Statistics: How Much Water Homes Actually Use
Source-verified household water usage statistics — gallons per household and per person, where it all goes, how much is wasted on leaks, and indoor vs outdoor use.
Lead in Drinking Water Statistics: Service Lines, Exposure, and Health Effects
Source-verified lead in drinking water statistics — how many lead service lines remain, which systems exceed limits, the health effects on children, and what the Flint crisis revealed.
Microplastics in Drinking Water Statistics: How Much Is Actually in Your Water?
Source-verified microplastics in drinking water statistics — how widespread contamination is, bottled vs tap, and what filters actually remove.
Municipal Water Treatment Statistics: Systems, Infrastructure, and the Funding Gap
Source-verified municipal water treatment statistics — how many public water systems serve the US, the condition of aging water infrastructure, main breaks, water loss, and the funding needed to fix it.
Nitrate in Drinking Water Statistics: How Common It Is and Who's at Risk
Source-verified nitrate in drinking water statistics — the 10 mg/L limit, how common contamination is, where it concentrates, and how to remove it.
PFAS Water Contamination Statistics: How Widespread Are Forever Chemicals?
Source-verified PFAS water contamination statistics — how many Americans are exposed, the new EPA limits, how many PFAS compounds exist, and where contamination is concentrated.
Private Well Water Statistics: How Many Wells, How Contaminated, and Who's at Risk
Source-verified private well water statistics — how many Americans rely on wells, what percentage exceed health guidelines, and why testing rates are dangerously low.
Tap Water Safety Statistics: How Safe Is US Tap Water Really?
Source-verified tap water safety statistics — how many systems meet health standards, the gap between what people fear and what tests show, and how US water compares globally.
Water Filtration Industry Statistics: Market Size, Adoption, and Certification
Source-verified water filtration industry statistics — market size and growth, how many US households filter their water, which filter types dominate, and how certification drives buyer trust.
Water Heater Lifespan Statistics: How Long They Last and How Hard Water Cuts It Short
Source-verified water heater lifespan statistics — how long tank and tankless heaters last, how hard-water scale shortens that life, and what replacement actually costs.
Water Quality Statistics: How Many Systems, How Many Violations, and Global Access
Source-verified water quality statistics — US public water systems and compliance rates, global access to safe drinking water, and how US tap water actually performs against standards.
Water Softener Market Statistics: Size, Cost, and Household Adoption
Source-verified water softener market statistics — global market size and growth, US household penetration, what a softener costs, and how much salt and energy you can expect to use.
Water Softener Salt Statistics: How Much Salt Softeners Use and What It Costs
Source-verified water softener salt statistics — how much salt a softener uses, what it costs, the sodium in your water, and the environmental case for salt alternatives.