Actionable guides and explainers to help people understand drinking water quality data.
State Rankings · 2026-04-16
Minnesota ranks 8th in the nation for tap water quality in 2026. Explore the East Metro PFAS case linked to 3M, agricultural nitrate in groundwater, and the state’s strong overall infrastructure.
Read article →State Rankings · 2026-04-16
Wisconsin ranks 27th in the nation for tap water quality in 2026. Explore the Marinette-area PFAS case, agricultural nitrate in groundwater, and how the state’s many private wells factor into local water quality.
Read article →State Rankings · 2026-04-16
Colorado ranks 17th in the nation for tap water quality in 2026. Explore the legacy of historic mining impacts on mountain watersheds, PFAS near Air Force bases, and the state’s strong municipal treatment infrastructure.
Read article →State Rankings · 2026-04-16
Louisiana ranks 46th in the nation for tap water quality in 2026. Explore how aging New Orleans-area infrastructure, the industrial corridor along the Mississippi River, and saltwater intrusion affect the state’s drinking water.
Read article →State Rankings · 2026-04-09
Michigan ranks 12th in the nation for tap water quality in 2026. Explore how the post-Flint lead service line replacement program and PFAS cleanup efforts have reshaped the state’s water systems.
Read article →State Rankings · 2026-04-09
Georgia ranks 29th in the nation for tap water quality in 2026. Explore how rapid Atlanta-area growth, PFAS near the carpet-manufacturing region around Dalton, and rural groundwater systems shape the state’s score.
Read article →State Rankings · 2026-04-09
Arizona ranks 41st in the nation for tap water quality in 2026. Explore how naturally occurring arsenic, Colorado River dependence, and PFAS near military airfields shape water quality across the state.
Read article →State Rankings · 2026-04-09
North Carolina ranks 33rd in the nation for tap water quality in 2026. Explore the Cape Fear River GenX/PFAS case, coal ash impacts, and agricultural runoff in eastern North Carolina.
Read article →State Rankings · 2026-04-02
Illinois ranks 26th in the nation for tap water quality in 2026. Explore the impact of lead service lines, Lake Michigan source water, and downstate well contamination.
Read article →State Rankings · 2026-04-02
Pennsylvania ranks 31st in the nation for tap water quality in 2026. Explore the impact of legacy mining drainage, PFAS near former military sites, and thousands of small rural water systems.
Read article →State Rankings · 2026-04-02
New Jersey ranks 19th in the nation for tap water quality in 2026. Explore the state's pioneering PFAS standards, the Newark lead service line replacement program, and dense urban infrastructure challenges.
Read article →State Rankings · 2026-04-02
Ohio ranks 24th in the nation for tap water quality in 2026. Explore how Lake Erie algal blooms, industrial legacy contaminants, and post-Toledo investments shape water quality across the state.
Read article →State Rankings · 2026-03-20
Alaska ranks 50th in the nation for tap water quality in 2026. Discover why remote infrastructure, natural arsenic, and high turbidity levels impact AK water.
Read article →State Rankings · 2026-03-20
California ranks 22nd in the nation for tap water quality in 2026. Explore key findings, common contaminants like arsenic and chromium-6, and city-level rankings.
Read article →State Rankings · 2026-03-20
Florida ranks 28th in the nation for tap water quality in 2026. Discover the impact of saltwater intrusion, PFAS hotspots, and city-level safety scores in FL.
Read article →State Rankings · 2026-03-20
New York ranks 15th in the nation for tap water quality in 2026. Explore the legacy of NYC's Catskill system, upstate PFAS concerns, and infrastructure updates in NY.
Read article →State Rankings · 2026-03-20
Texas ranks 35th in the nation for tap water quality in 2026. Learn about key challenges including lead, nitrate, and radium levels in TX water systems.
Read article →City Spotlight · 2026-03-12
An updated look at Jackson, Mississippi's drinking water system in 2026: what caused the 2022 crisis, what has improved under federal oversight, and how to check current data.
Read article →City Spotlight · 2026-03-12
How spring permafrost thaw affects turbidity, minerals, and PFAS monitoring in Fairbanks, plus practical filtration advice for residents and private well owners.
Read article →City Spotlight · 2026-03-12
How rising sea levels and saltwater intrusion are affecting Miami's Biscayne Aquifer, and what residents can do to protect their water quality.
Read article →State Rankings · 2026-03-11
New 2026 data ranks Washington 37th for tap water quality, averaging 1,991 violations per 100,000 residents. Compare WA cities and water systems.
Read article →City Spotlight · 2026-03-08
Learn about the Flint water crisis history, EPA responses, lead contamination facts, and how to look up water quality for any US city using WaterQ.
Read article →Guide · 2026-03-07
Learn how to test your tap water with DIY kits, certified labs, and EPA resources. Includes step-by-step instructions and what to do if you find contaminants.
Read article →Guide · 2026-03-07
Learn about PFAS ("forever chemicals") in U.S. drinking water: health risks, testing, regulation updates, and how to find PFAS data for your area.
Read article →Guide · 2026-03-07
Learn how WaterQ calculates water quality scores (0-100), what grades A-F mean, and how to use scores to evaluate drinking water safety.
Read article →Guide · 2026-03-06
A practical workflow for lead-related local searches: city overview, contaminant context, side-by-side comparisons, and system-level checks.
Read article →Guide · 2026-03-05
A practical guide to reading city and utility water quality reports: contaminants, limits, violations, and what to do next.
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