Free download: The Well Owner's Cheat Sheet — what to test, how often, and what your results mean. Get It Free →

Tagged: EPA standards

Arsenic in Well Water: Testing, Safe Levels, and What to Do

A rural well with water flowing into a bucket, surrounded by fog.

Well water testing for arsenic matters because this invisible carcinogen has no taste, smell, or color, yet causes cancer at levels the EPA considers unsafe for 2.1 million Americans. Your regional geology determines whether arsenic lurks in your water supply. Key Takeaways: EPA’s Maximum Contaminant Level for arsenic is 10 parts per billion, any detection … Read more

EPA Drinking Water Standards for Well Owners: MCLs Explained

EPA officer inspecting a rural well with dramatic lighting and fog.

EPA well water standards provide the only safety benchmarks you have to evaluate whether your private well water is safe to drink, even though they don’t legally apply to you. This regulatory gap leaves 43 million Americans responsible for interpreting well water test results against federal limits with no enforcement backup. Key Takeaways: • Primary … Read more

How to Read Your Well Water Test Results: What Every Number Means

Well water testing kit with dramatic lighting and detailed fog.

Well water test results arrive as a confusing jumble of numbers, abbreviations, and chemical names that leave most private well owners wondering if they’re drinking poison or just dealing with stained fixtures. Your lab report shows arsenic at 12 ppb, iron at 0.8 mg/L, and total coliform present, but nobody explains whether your family is … Read more

Well Water Testing: The Complete Guide for Private Well Owners

Private well with testing equipment, dramatic lighting and fog.

Well water testing determines whether your drinking water meets safety standards, something the EPA won’t check for you. The 43 million Americans on private wells face a reality that city water users don’t: zero EPA oversight and full responsibility for testing their own drinking water supply. Key Takeaways:• Private wells fall outside Safe Drinking Water … Read more