Find your area TDS



Zero water is a good source we also have one on our site


That is very interesting. Yours has data for a lot of zipcodes that zerowater doesn’t. And zerowater has data for some zipcodes that yours doesn’t.

I wonder how accurate these are?

At any rate, glad to have an additional data source :+1:t2:


Most are just est. and what really counts is the tds out your system!