Tap and WellTreasure Valley water, from the public record

Boise County water quality

Idaho DEQ results for 20 community systems serving about 4,257 people. Status for each system is in the table.

At least one system had a result above a federal limit.

Every community system in Boise County

SystemPeopleStatusHardness
Horseshoe Bend Water Supply750Meetsnot reported
Idaho City Water Department531Above limitnot reported
Wilderness Ranch Owners Association Inc.525Worth watchingnot reported
Terrace Lakes Water Company475Worth watchingnot reported
Scriver Woods Homeowners Association310Meetsnot reported
Mountain View Water and Road Association305Meetsnot reported
Castle Mountain Creeks Owners Association250Above limitnot reported
Duquette Pines Homeowners Association163Worth watchingnot reported
Mores Creek Rim Ranch Water District140Worth watchingnot reported
Rivers Point Property Owners Association140Meetsnot reported
Valley Hi Estates140Worth watchingnot reported
Osprey100Meetsnot reported
Mountain Shadows HOA Inc.89Meetsnot reported
Garden Valley Ranchettes Homeowners78Meetsnot reported
Ranch Subdivision65Worth watchingnot reported
Horseshu Vue Ranch Subdivision51Worth watchingnot reported
Shilo Ranch Estates44Meetsnot reported
Scenic Properties Water Association Inc.40No recent datanot reported
Boise Holcomb Water Users Assoc. Inc.36Meetsnot reported
Southfork Landing Inc.25Meetsnot reported

Garden ValleyHorseshoe BendIdaho CityRobie CreekWilder

Contaminants flagged in the county

ContaminantSystems flaggedHighest system
Arsenic4Idaho City Water Department: 53.7ppb Above limit
Total Trihalomethanes2Idaho City Water Department: 248.0ppb Elevated
Nitrate (as N)1Wilderness Ranch Owners Association Inc.: 6.08ppm Elevated
Copper2Wilderness Ranch Owners Association Inc.: 0.73ppm Elevated
Iron1Terrace Lakes Water Company: 2.63ppm Aesthetic issue
Manganese1Terrace Lakes Water Company: 127.0ppb Aesthetic issue
Haloacetic Acids (HAA5)2Castle Mountain Creeks Owners Association: 266.0ppb Above limit
Lead1Valley Hi Estates: 8.0ppb Elevated

Private wells in Boise County

ZIP pages are estimates from nearby samples, not a test of your well.

83629 Horseshoe Bend

How to test a private well in Idaho.

Numbers are the system's samples at its taps and wells, not yours. Lead and copper are 90th percentiles from sampled homes. Well pages are nearby-sample estimates. Health text restates EPA and DEQ. Methodology.