Check Your Water
Investigations & Explainers
Data-backed reporting on PFAS contamination in American drinking water. Numbers from EPA testing. Context from public records. No paywalls, no email gates, no editorializing.
- City InvestigationApril 7, 2026 · 5 min read
PFAS in Calhoun, GA: What Water Tests Revealed in Georgia's Carpet Capital
EPA testing of Calhoun's drinking water found PFOA at nearly four times the federal limit and PFOS at more than three times. The contamination traces back to decades of carpet treatment in the Dalton industrial corridor.
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- ExplainerApril 7, 2026 · 7 min read
EPA PFAS Standards Explained: What the 2024 Drinking Water Limits Mean
In April 2024 the EPA set the first-ever federal drinking water limits on six PFAS compounds. Here's what those limits are, how the Hazard Index works, and what happens to your utility if it exceeds them.
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- GuideApril 7, 2026 · 8 min read
How to Filter PFAS From Your Drinking Water: What Actually Works
Three filtration technologies have been tested and certified to remove PFAS from drinking water. This is a brand-neutral guide to what they are, what they cost, and what to look for on the box.
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- City InvestigationApril 7, 2026 · 5 min read
PFAS in Merrimack, NH: Saint-Gobain Plant and Community Water Contamination
Years of treatment investment have brought the Merrimack Village District's finished water within federal PFAS limits, after Saint-Gobain Performance Plastics contaminated wells across five New Hampshire towns. Here's what that recovery has cost.
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- City InvestigationApril 7, 2026 · 5 min read
PFAS in Newburgh, NY: Stewart Air National Guard Base and Washington Lake
Newburgh has gone nearly a decade without its main drinking water source after PFOS from Stewart Air National Guard Base contaminated Washington Lake. Current EPA testing shows PFOA at the federal limit in the alternate supply.
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- City InvestigationApril 7, 2026 · 5 min read
PFAS in Parchment, MI: What Water Tests Revealed in a Michigan Community
After 1,587 ppt of PFAS in Parchment's water shut down its public wells in 2018, the city was connected to Kalamazoo's water system. EPA testing of that system now shows PFOS just above the federal limit and PFOA right at it.
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- City InvestigationApril 7, 2026 · 5 min read
PFAS in Parkersburg, WV: What Water Tests Revealed About the Dark Waters City
EPA testing of the Parkersburg Utility Board found PFOA at more than seven times the federal limit, decades after Rob Bilott's lawsuit forced DuPont to disclose what its Washington Works plant had done to the Ohio River. Here's what the data shows now.
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- City InvestigationApril 7, 2026 · 5 min read
PFAS in Security-Widefield, CO: Military Base Contamination and Your Drinking Water
EPA testing of the Widefield Water and Sanitation District shows three PFAS compounds above federal limits, including PFOS and PFHxS. The chemicals came from decades of firefighting foam use at Peterson Space Force Base.
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- GuideApril 7, 2026 · 6 min read
Understanding Your Water Quality Report: A Resident's Guide
Every American on a public water system gets a Consumer Confidence Report once a year. Here's how to read one, what the numbers mean, and what your CCR is not telling you.
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- ExplainerApril 7, 2026 · 6 min read
What Are PFAS Forever Chemicals? A Plain-Language Guide
PFAS are a class of more than 12,000 synthetic chemicals built around carbon-fluorine bonds that don't break down. Here's what they are, where they come from, and what the research says about how they affect human health.
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