How to read your water report in 2 minutes
Three ideas turn a wall of numbers into something you can actually use.
You don't need any science to read a water report. You need three ideas: legal limits and health guidelines are different numbers, the multiplier tells you what's in each glass, and filters are specific. Your report lists every chemical your utility's own testing found, so keep it open while you read. (No report handy? Find your water system's page; all 58 local systems are there.)
1. "Passes the test" and "good for you" are different sentences
Legal limits
Set by federal rules, many of them decades old, negotiated with treatment costs in mind. Almost every utility passes.
Health guidelines
Set by current health research, asking one question only: what level carries essentially zero risk over a lifetime of drinking it.
Both can be true about the same glass of water. Your report flags the second one, which is how water that "meets all federal standards" can still be worth filtering.
2. Read the multiplier per glass
Nothing tastes or smells different. It just adds up quietly over the years you live in the house. The good news cuts the same way: match the right filter to the chemical and that number drops to near nothing at the tap you drink from.
3. Filters are specific
A basic pitcher helps with chlorine taste and smell. But many of the chemicals reports actually flag, like the disinfection byproducts most systems in our area carry, need more: a properly matched carbon system, or Reverse Osmosis (RO) at the drinking tap. Your report pairs each chemical with what removes it, so check that before you buy anything.
What I'd do with your report
- Circle the two or three highest multipliers. They're doing most of the talking.
- Note which filter type your report pairs with each of them.
- Then look at equipment, and weigh your options against your own numbers, not the ads.
Try it on your own report
Type your ZIP and your utility's published results come back with the multipliers worked out and each chemical paired with what removes it.
Get your free water report →Rather talk to a person? Call or text (571) 396-0299, or reply to the text that brought you here.
Go deeper: all 14 contaminant guides · PFAS · how to test your water
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