SafeWater Blog
Water Quality Guides & Research
Evidence-based articles on drinking water safety, contaminants, filtration, and EPA regulations. Built on real data.
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PFAS Forever Chemicals: What They Are and Why They Matter
PFAS have been detected in 34.4% of U.S. public water systems. Here's what the science says about health risks and the new EPA limits.
ReadLead in Drinking Water: Risks, Testing, and Solutions
The EPA action level is 15 ppb, but no level of lead is safe for children. Find out how to test your water and reduce exposure.
ReadBest Water Filters for Removing Contaminants: A Guide
NSF-certified filters vary widely. We break down which technologies remove lead, PFAS, nitrates, arsenic, and more.
ReadWater Quality by State: Which States Have the Cleanest Water?
Using EPA SDWIS data, we rank all 50 states by water quality violations, PFAS contamination, and system compliance rates.
ReadWell Water Testing: What to Test For and How Often
Private wells serve 43 million Americans and aren't regulated by the EPA. Here's your complete testing checklist.
ReadBottled Water vs. Tap Water: What the Data Actually Shows
Bottled water is 2,000x more expensive than tap. Is it safer? We compare EPA and FDA regulatory standards head to head.
ReadDo Water Filters Remove PFAS? What Actually Works
Not all filters tackle PFAS. Activated carbon and reverse osmosis have very different removal rates. Here's what the data shows.
ReadHard Water vs. Soft Water: Health Effects and Solutions
Hard water affects 85% of U.S. homes. We examine the health research, mineral content, and when a water softener makes sense.
ReadEPA Drinking Water Standards: MCLs Explained Simply
Maximum Contaminant Levels, MCLGs, action levels: EPA water regulations can be confusing. This guide cuts through the jargon.
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