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ZIP Code 98070 Water Quality
Washington · 9,202 people served · 12 water systems
B
GoodZIP code 98070 is in Washington and is a small town from a drinking-water-service perspective, with 9,202 people served by 12 EPA-registered public water systems. It overlaps with 3 communities including Vashon, VASHON, Vashion Island.
Within ZIP code 98070, the EPA Safe Drinking Water Information System (SDWIS) records 2 health-based violations during the past five years across 12 water systems serving this postal area. The grade of B reflects the aggregate compliance pattern, not the current daily water quality.
Last updated: 2026-05-18 · Source: EPA SDWIS
ZIP Code Location
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Cities in ZIP 98070
Water Systems Serving 98070
BURTON WATER COOPERATIVE
PWSID: WA5309800
964 served
SHAWNEE HILL CONDOMINIUM WS
PWSID: WA5319901
44 served
DOCKTON WATER ASSOCIATION
PWSID: WA5319550
992 served
SUNNYSLOPE MUTUAL WATER SYSTEM
PWSID: WA5352550
85 served
MAURY MUTUAL WATER CO
PWSID: WA5352100
233 served
NEEDLE CREEK WATER SYSTEM
PWSID: WA5355376
50 served
WATER DISTRICT 19
PWSID: WA5338900
3,723 served
HEIGHTS WATER
PWSID: WA5332300
2,051 served
Gold Beach Water Company
PWSID: WA5328350
390 served
MARINE ESTATES MUTUAL WATER ASSN
PWSID: WA5351700
38 served
QUARTERMASTER HEIGHTS WATER ASSN
PWSID: WA5370250
70 served
WESTSIDE WATER ASSN
PWSID: WA5394950
562 served
About ZIP-code water data
Postal-code level water quality data is built up from the underlying water systems — multiple ZIPs may share a single utility, and a single ZIP can span multiple utilities. For property-level information, contact the specific utility serving your address. EPA data on this page was last refreshed on 2026-05-18.
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