Washington

It depends on the town. 230 of 236 listed water systems in Washington, United States are low risk (97.5%).

• 230Low
• 5Medium
• 1High
• 0Critical

• AberdeenLow risk
• Airway HeightsLow risk
• AlgonaLow risk
• AnacortesLow risk
• ArlingtonLow risk
• ArtondaleLow risk
• AuburnLow risk
• Bainbridge IslandLow risk
• Battle GroundLow risk
• BelfairLow risk
• BellevueLow risk
• Bellingham2 systems · low risk
• Benton CityLow risk
• Birch BayLow risk
• Black DiamondLow risk
• BlaineLow risk
• Bothell2 systems · low risk
• Bremerton2 systems · low risk
• BrewsterLow risk
• Buckley2 systems · low risk
• BurienLow risk
• CamasLow risk
• CashmereLow risk
• Castle RockLow risk
• CentraliaLow risk
• ChehalisLow risk
• Chelan2 systems · low risk
• Cheney2 systems · low risk
• ClarkstonLow risk
• ColfaxLow risk
• College PlaceLow risk
• ColvilleLow risk
• ConnellLow risk
• Consolidated Irrig 192 systems · low risk
• CoupevilleLow risk
• CovingtonLow risk
• DaytonLow risk
• Deer ParkLow risk
• DuPontLow risk
• Duvall2 systems · low risk
• East WenatcheeLow risk
• Eastsound UsersLow risk
• EatonvilleLow risk
• EdgewoodLow risk
• Edmonds2 systems · low risk
• EllensburgLow risk
• ElmaLow risk
• EnumclawLow risk
• EphrataLow risk
• Everett2 systems · low risk
• EversonLow risk
• Fairchild Air Force BaseLow risk
• Federal WayLow risk
• Ferndale2 systems · includes high risk
• FifeLow risk
• FircrestLow risk
• ForksLow risk
• Friday HarborLow risk
• Gig HarborLow risk
• GoldendaleLow risk
• Grand MoundLow risk
• GrandviewLow risk
• GrangerLow risk
• Granite FallsLow risk
• HoquiamLow risk
• IssaquahLow risk
• Joint Base Lewis McChord2 systems · low risk
• KalamaLow risk
• Kelso2 systems · low risk
• KenmoreLow risk
• KennewickLow risk
• Kent4 systems · low risk
• KirklandLow risk
• Lacey2 systems · low risk
• Lake CushmanLow risk
• LakewoodLow risk
• LeavenworthLow risk
• Liberty LakeLow risk
• Long BeachLow risk
• LongviewLow risk
• LyndenMedium risk
• Lynnwood2 systems · low risk
• ManchesterLow risk
• MansonLow risk
• Maple ValleyLow risk
• MarysvilleLow risk
• MattawaMedium risk
• MeadLow risk
• Medical LakeLow risk
• Mercer IslandLow risk
• MiltonLow risk
• MonroeLow risk
• Montesano2 systems · low risk
• Moses LakeLow risk
• Mount VernonLow risk
• Mountlake TerraceLow risk
• MoxeeLow risk
• MukilteoLow risk
• NachesLow risk
• Naval Air Station/whidbey IslandLow risk
• NewcastleLow risk
• NewportLow risk
• North Bend2 systems · low risk
• Oak HarborLow risk
• Ocean ParkLow risk
• Ocean ShoresLow risk
• OkanoganLow risk
• OlympiaLow risk
• OmakLow risk
• OrtingLow risk
• OthelloLow risk
• PacificLow risk
• PascoLow risk
• Port AngelesLow risk
• Port Angeles CompositeLow risk
• Port Orchard2 systems · low risk
• Port Townsend2 systems · low risk
• Poulsbo5 systems · low risk
• ProsserLow risk
• Pullman2 systems · low risk
• Puyallup3 systems · low risk
• QuincyLow risk
• Raymond2 systems · low risk
• Redmond2 systems · low risk
• Renton3 systems · low risk
• RichlandLow risk
• RidgefieldLow risk
• Royal CityLow risk
• Sammamish2 systems · low risk
• Seattle4 systems · low risk
• SelahLow risk
• SequimLow risk
• SheltonLow risk
• ShorelineLow risk
• Silverdale3 systems · low risk
• Snohomish3 systems · low risk
• SnoqualmieLow risk
• Snoqualmie PassLow risk
• SpanawayLow risk
• Spokane10 systems · low risk
• Spokane Valley2 systems · low risk
• Stanwood2 systems · low risk
• SteilacoomLow risk
• Stevens - SuncrestLow risk
• StevensonLow risk
• SultanLow risk
• SummitLow risk
• SumnerLow risk
• SunnysideLow risk
• SuquamishLow risk
• Tacoma8 systems · low risk
• Tanglewilde-Thompson PlaceLow risk
• TeninoLow risk
• ToppenishLow risk
• TukwilaLow risk
• TulalipLow risk
• TumwaterLow risk
• Union GapLow risk
• Vancouver2 systems · low risk
• VashonMedium risk
• Walla WallaLow risk
• WapatoLow risk
• WardenLow risk
• WashougalLow risk
• WenatcheeLow risk
• West RichlandLow risk
• WestportMedium risk
• White SalmonLow risk
• WinlockLow risk
• WoodinvilleLow risk
• WoodlandLow risk
• Yakima3 systems · low risk
• YelmLow risk
• ZillahMedium risk

Covers community water systems serving 3,300 people or more. The rating uses health-based violations of federal drinking-water standards in the last three years, and whether those violations have been fixed. Each system is placed at a town it serves, so positions are approximate.