How to test, which kits and labs to trust, and how to read the results. Start here: the contaminants reference, what testing costs, and the hardness calculator.
A positive coliform test isn’t automatically an emergency. Here’s how to tell total coliform from E. coli and respond correctly.
The real well water testing schedule, plus the retest triggers, floods, repairs, symptoms, that override the calendar.
A parameter-by-parameter guide to reading a well water lab report and deciding what each flagged number actually means.
A decision guide to how to test well water: what strips catch, what only a certified lab proves, and how to pull a clean sample.
No one reminds a well owner to test. Here’s the schedule, the sampling steps, and what each result actually means.
Convert a hardness result between grains per gallon, mg/L and mmol/L, and read it against both the USGS and extension classification scales.
A reference table of well water contaminants with federal limits, clearly labeled as enforceable health limits, aesthetic guidelines, or no limit at all.