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ZIP Code 98010 Water Quality
Washington · 7,139 people served · 6 water systems
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ExcellentZIP code 98010 is in Washington and is a small town from a drinking-water-service perspective, with 7,139 people served by 6 EPA-registered public water systems. It overlaps with 2 communities including BLACK DIAMOND, Black Diamond.
Within ZIP code 98010, the EPA Safe Drinking Water Information System (SDWIS) records no health-based Maximum Contaminant Level (MCL) exceedances during the past five years across the 6 water systems serving this postal area.
Last updated: 2026-05-18 · Source: EPA SDWIS
ZIP Code Location
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Cities in ZIP 98010
Water Systems Serving 98010
BLACK DIAMOND WATER DEPT
PWSID: WA5307220
6,407 served
Creekside Apartments
PWSID: WA5345164
100 served
MARIANI WATER SYSTEM INC
PWSID: WA5351675
138 served
SAWYERWOOD WATER SYSTEM
PWSID: WA5376462
32 served
WESTERN RANCHETTES INC.
PWSID: WA5395123
250 served
SOUTH AUBURN WATER ASSOCIATION
PWSID: WA5381400
212 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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