*Cambria, Fall River, Friesland, Randolph, Wyocena, Harmony Grove and below listed mobile home parks do NOT add fluoride to their water. These municipalities have insufficient fluoride for children's dental health. All other municipal systems in Columbia County are fluoridated. Do NOT take additional fluoride supplements if using fluoridated water.
Capital Hill Park, Poynette; Crystal Lake Resort, Lodi; Fall View Estates, Fall River; Harmony Mobile Manor, Lodi; Inch Heights Trailer Park, Lodi; Oakwood Terrace, Portage; Pine Haven Estates, Rio; Pine Vista Mobile Home Park, Prairie du Sac
Note: This is not a complete list - test your water if you are not certain if there is fluoride in it.