Water quality by city
Water quality in Idaho
EPA drinking-water records for 229 public water systems across 111 Idaho cities — the contaminants found and the certified filters that remove them. Pick your city for its full report.
Know your ZIP? Go straight to your water report.
Check by ZIP → Boise ·PFAS 15 systems Idaho Falls 8 systems Lewiston ·PFAS 8 systems Caldwell 7 systems Rathdrum ·PFAS 7 systems Bonners Ferry 5 systems Nampa 5 systems Pocatello 5 systems Sandpoint 5 systems Coeur D Alene 4 systems Garden Valley 4 systems Moscow 4 systems Mountain Home 4 systems Post Falls 4 systems American Falls 3 systems Blackfoot 3 systems Buhl 3 systems Donnelly 3 systems Garden City ·PFAS 3 systems Island Park 3 systems Ketchum 3 systems Meridian ·PFAS 3 systems Plummer 3 systems Preston 3 systems Salmon 3 systems Sun Valley 3 systems Twin Falls 3 systems Worley 3 systems Ammon 2 systems Athol 2 systems Burley 2 systems Chubbuck 2 systems Eagle 2 systems Emmett 2 systems Franklin 2 systems Hailey 2 systems Hayden 2 systems Kellogg 2 systems Lenore 2 systems New Plymouth 2 systems Orofino 2 systems Payette ·PFAS 2 systems Pierce 2 systems Rexburg 2 systems Rupert 2 systems Soda Springs 2 systems St Maries 2 systems Ahsahka 1 system Albion 1 system Arco 1 system Avery 1 system Bellevue 1 system Bennington 1 system Bruneau 1 system Challis 1 system Clearwater 1 system Coeur D'Alene 1 system Dietrich 1 system Driggs 1 system Dubois 1 system Elk City 1 system Elk River 1 system Fairfield 1 system Ferdinand 1 system Fernwood 1 system Filer 1 system Fruitland 1 system Gannett 1 system Garden Vally 1 system Genesee 1 system Gooding 1 system Grand View 1 system Grangeville 1 system Hamer 1 system Harpster 1 system Harvard 1 system Hazelton 1 system Heyburn 1 system Homedale 1 system Horseshoe Bend 1 system Idaho City 1 system Indian Valley 1 system Jerome 1 system Juliaetta 1 system Kimberly 1 system King Hill 1 system Kuna 1 system Lapwai 1 system Marsing 1 system Mccall 1 system Middleton 1 system Minidoka 1 system Mountain Home Afb ·PFAS 1 system Moyie Springs 1 system Murtaugh 1 system Newdale 1 system Oakley 1 system Parker 1 system Parma 1 system Reubens 1 system Rigby 1 system Rockland 1 system Rogerson 1 system Sagle 1 system Shelley ·PFAS 1 system St Anthony 1 system Star 1 system Tensed 1 system Troy 1 system Weiser 1 system Yellow Pine 1 system