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ZIP Code 98370 Water Quality
Washington · 67,019 people served · 37 water systems
A
ExcellentZIP code 98370 is in Washington and is a mid-sized community from a drinking-water-service perspective, with 67,019 people served by 37 EPA-registered public water systems. It overlaps with 2 communities including Poulsbo, POUSLBO.
Within ZIP code 98370, the EPA Safe Drinking Water Information System (SDWIS) records no health-based Maximum Contaminant Level (MCL) exceedances during the past five years across the 37 water systems serving this postal area.
Last updated: 2026-05-18 · Source: EPA SDWIS
ZIP Code Location
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Cities in ZIP 98370
Water Systems Serving 98370
COUNTRY MEADOWS
PWSID: WA5300675
90 served
HARBOR CREST
PWSID: WA5301832
53 served
WESTERN STAVIS WATER SYS II & III
PWSID: WA5301668
60 served
PORT GAMBLE
PWSID: WA5300323
303 served
INDIAN HILLS ESTATES
PWSID: WA5301966
282 served
NEWBERRY HILL
PWSID: WA5306136
1,143 served
SEABECK
PWSID: WA5303134
610 served
WEST KITSAP
PWSID: WA5308367
2,248 served
NORTH PENINSULA
PWSID: WA5305122
16,449 served
CAMP DAVID
PWSID: WA5310838
53 served
BRIANWOOD
PWSID: WA5306651
48 served
AVELLANA WATER
PWSID: WA5326801
100 served
DRIFTWOOD COVE
PWSID: WA5319945
175 served
NAVY YARD PARK
PWSID: WA5343294
268 served
ELDORADO HILLS
PWSID: WA5322750
383 served
GRESHAM WATER
PWSID: WA5331566
66 served
LOFALL WATER SYSTEM INC
PWSID: WA5347670
81 served
GREEN MOUNTAIN ACRES
PWSID: WA5329594
110 served
GALA PINES WATER.
PWSID: WA5327060
130 served
INDIANOLA WATER
PWSID: WA5335650
1,705 served
KEYPORT WATER
PWSID: WA5338550
1,202 served
PRIDDY VISTA
PWSID: WA5369350
210 served
POULSBO CITY OF
PWSID: WA5369150
18,400 served
POULSBO HEIGHTS
PWSID: WA5369152
80 served
MILLER BAY
PWSID: WA5354683
1,072 served
NORTH BAINBRIDGE WATER CO
PWSID: WA5359994
5,490 served
PIONEER HILL WEST
PWSID: WA5367715
73 served
LONG LAKE VIEW EST 2 5
PWSID: WA5348031
923 served
SUQUAMISH
PWSID: WA5386400
4,203 served
SURFREST PARK WATER COMPANY
PWSID: WA5386450
123 served
STRAWBERRY HILL
PWSID: WA5384625
235 served
STAVIS CREEK
PWSID: WA5383884
63 served
VIEWSIDE COMMUNITY
PWSID: WA5391850
118 served
VINLAND
PWSID: WA5391923
4,801 served
SOUTH BAINBRIDGE
PWSID: WA5381451
4,414 served
FROG POND
PWSID: WA5326627
1,229 served
SETTLE WATER
PWSID: WA5302211
26 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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