X1014302886-00207-47704</DOCNO> MSU COOPERATIVE EXTENSION FACT SHEETS Number 4 1990 A GUIDE TO HOME WATER TREATMENT INTRODUCTION Although most drinking water in the United States is considered safe, there is increasing concern about the quality of drinking water as more and more pollutants are found in groundwater supplies.
(more and more pollutants; are found; L:in groundwater supplies)
more and more pollutants
are found
L:in groundwater supplies