Washington utilities 601 to 700.

Each serves 340 to 455 people, as it reports to EPA. Your ZIP code finds yours faster.

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601 to 700 of 2,220, by people served

Washington utilities, 601 to 700 of 2,220, by people served
Utility	Based in	Serves	Regulated PFAS	Health-based violations since 2016
Chinook Estates	Puyallup	455	Not sampled	0
Black Diamond Water District	Port Angeles	452	Not sampled	0
Country Manor Mobile Home Park	Port Orchard	450	Not sampled	0
Delta Water Association	Lynden	450	Not sampled	25
Maple Lane Behavioral Health	Centralia	450	Not sampled	0
Carrolls Water Assn	Napavine	449	Not sampled	3
Skagit Co PUD - Alger	Mount Vernon	446	Not sampled	0
Rosedale Heights Trailer Park	Tacoma	444	Not sampled	0
Pioneer Water Company	Spokane	443	Not sampled	0
Doe Bay Water Users Assoc	Eastsound	442	Not sampled	0
Combined Water System	Coupeville	435	Not sampled	0
Maplewood Addition Water Coop	Renton	435	Not sampled	0
Ryderwood Improvement & Service As	Kelso	434	Not sampled	0
Four Lakes Water District 10	Four Lakes	433	Not sampled	0
Hmc Management Water System	Port Orchard	432	Not sampled	0
Seven Bays Estates Unlimited	Spokane	431	Not sampled	0
Echo Glen Childrens Center	Snoqualmie	430	Not sampled	0
Royal Water District	Othello	430	Not sampled	0
Town of Riverside	Riverside	429	Not sampled	0
Hawley Hills 686	Lacey	425	Not sampled	0
Saratoga Beach Owners Assn	Freeland	425	Not sampled	0
Silver Lake Water	Freeland	425	Not sampled	2
Crosswoods Water System	Coupeville	420	Not sampled	0
Index Water Dept	Index	420	Not sampled	0
Big Bend Landowners Association	Monroe	419	Not sampled	0
Henderson Boulevard	Tacoma	418	Not sampled	0
Skookum Chuck Water Association	Lynden	415	Not sampled	0
Sno PUD 1 - Skylite Tracts	Everett	415	Not sampled	0
Whidbey West Water Assoc.	Coupeville	415	Not sampled	13
Allyn Shopping Center	Tacoma	414	Not sampled	0
East Gig Harbor Water District	Gig Harbor	410	Not sampled	0
Harbor Country Apartments	Port Orchard	410	Not sampled	0
Olympic Sunset West	Gig Harbor	410	Not sampled	0
Berthusen Road Water Association	Lynden	409	Not sampled	0
Resort and Marina	Port Townsend	409	Not sampled	0
Upper Columbia Academy	Spangle	407	Not sampled	0
Lake Margaret Water System	Carnation	406	Not sampled	0
Vantage Water System	Vantage	405	Not sampled	0
Lake Retreat Camp & Conf Center	Ravensdale	404	Not sampled	0
Paradise Estates	Port Orchard	403	Not sampled	0
Bucklin	Tacoma	402	Not sampled	0
Northwest Water Assoc. Inc.	Lynden	400	PFOA, PFBS	0
Othello Manor LLC	Port Orchard	400	Not sampled	0
Sierra Country Club	Coupeville	400	Not sampled	9
Skagit Co PUD - Cedargrove	Mount Vernon	400	Not sampled	0
Port of Allyn	Shelton	397	Not sampled	0
Olga Water Users Inc	Eastsound	392	Not sampled	0
Gold Beach Water Company	Vashon	390	Not sampled	0
Olympic Corrections Center	Forks	390	Not sampled	0
Ravensdale Water Supply	Renton	389	Not sampled	0
Tatoosh Water Company	MT Vernon	387	Not sampled	0
Town of Wilson Creek Water Dept	Quincy	386	Not sampled	0
White Bluff Water Association	Kennewick	386	Not sampled	0
Eldorado Hills	Poulsbo	383	Not sampled	0
Delphi	Shelton	381	Not sampled	0
Ponderosa Park Water System	Goldendale	381	Not sampled	0
Mansfield Water System	Waterville	380	Not sampled	0
Cascade Valley Water District	Moses Lake	379	Not sampled	0
Gardiner Lud 1	Port Townsend	379	Not sampled	0
Parkwood Mfd Housing Community	Sequim	378	Not sampled	0
Timberline Village 628	Lacey	378	Not sampled	0
Spo Co Water Dist 3 Sys 8	Spokane	375	Not sampled	0
West Prairie Village	Spokane	375	Not sampled	0
Almira Water System	Almira	372	Not sampled	0
Elmer City Water System	Elmer City	368	Not sampled	0
Hood Canal	Shelton	368	Not sampled	0
Lazy C	Port Townsend	367	Not sampled	0
Tahuya River Valley Water District	Shelton	367	Not sampled	0
Uniontown Water Works	Uniontown	366	Not sampled	0
Custer Water Association	Custer	365	Not sampled	0
Stevens Co PUD - Riverside	Loon Lake	365	Not sampled	0
Alpine Hills	Tacoma	363	Not sampled	0
Easton Water District	Cle Elum	362	Not sampled	0
Golden Plains MHP #1	Moses Lake	360	Not sampled	0
Hiapark	Port Orchard	360	Not sampled	0
Lake Lucinda Community Club	Shelton	360	Not sampled	0
Mains Farm Property Owners	Sequim	358	Not sampled	0
Spo Co Water Dist 3 Sys 6	Spokane	358	Not sampled	0
Lisecc	Lummi Island	357	Not sampled	17
Canterbrook Village Apartments	Port Orchard	355	Not sampled	0
Sierra Water System	Puyallup	355	Not sampled	0
Chiwawa Communities Assn	Leavenworth	352	Not sampled	0
Vista del Rio Mobile Home Park	Vancouver	352	Not sampled	0
Strathview Water District 16	Medical Lake	351	Not sampled	0
Bell Bay Jackson Water Association	Lynden	350	Not sampled	0
Chewelah Water Dept North	Chewelah	350	Not sampled	0
Greenwood Mobile Home Park	Westport	350	Not sampled	0
Sun Tides Vista Homeowners Assn	Yakima	350	Not sampled	0
Winchester Mobile Homes Water	Spanaway	350	Not sampled	0
Curlew Conservation Center	Curlew	349	Not sampled	0
Creston Public Water	Waverly	348	Not sampled	1
Hat Island Community Inc	Everett	348	Not sampled	0
Lewis River Rv Park	Woodland	347	Not sampled	0
Beaux Arts Water Department	Beaux Arts	345	Not sampled	0
Lake Arrowhead	Shelton	343	Not sampled	0
Nisqually Sportsmens Club	Port Orchard	341	Not sampled	0
Ringold Domestic Water Corp	Othello	340	Not sampled	0
Skyline Mobile Home Park	Yakima	340	Not sampled	0
Sultan Estates Water System	Lake Forest Park	340	Not sampled	0
Washington Land Yacht Harbor	Port Orchard	340	Not sampled	0

Every utility EPA sampled for PFAS under UCMR 5, any other community system serving 3,300 people or more, and any smaller one with results from 2020 on, from the state. Other systems appear in ZIP code results. People served is what each utility reports to EPA. Data: EPA SDWIS 2026 Q3, UCMR 5 and EPA’s 2012 to 2019 compliance results, and Washington State Department of Health, Office of Drinking Water.

601 to 700 of 2,220, by people served

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