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Washington · 12,529 people served · 18 water systems
ZIP code 98674 is in Washington and is a small city from a drinking-water-service perspective, with 12,529 people served by 18 EPA-registered public water systems. It overlaps with 2 communities including Woodland, WOODLAND.
Within ZIP code 98674, the EPA Safe Drinking Water Information System (SDWIS) records 5 health-based violations during the past five years across 18 water systems serving this postal area. The grade of C reflects the aggregate compliance pattern, not the current daily water quality.
Last updated: 2026-05-18 · Source: EPA SDWIS
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PETERSON FARMS
PWSID: WA5301484
290 served
COLUMBIA RIVERFRONT RV PARK
PWSID: WA5300946
233 served
OWL CREEK
PWSID: WA5303943
102 served
ESTATES AT LIVINGSTON MTN
PWSID: WA5300794
33 served
Tulip Meadows
PWSID: WA53AD861
33 served
HAZEL DELL MOBILE PARK
PWSID: WA5331975
24 served
TUKES MOUNTAIN HOMEOWNERS
PWSID: WA5328340
60 served
MERWIN VILLAGE/PARK PPL CO
PWSID: WA5354061
92 served
WOODLAND CITY OF
PWSID: WA5398200
10,640 served
PLEASANT HILL TERRACE SUBDIVISION
PWSID: WA5367865
30 served
SANDWOOD HEIGHTS SUBDIVISION
PWSID: WA5375893
126 served
MAGNA VISTA WATER CORP
PWSID: WA5350240
56 served
DAVIS TERRACE WATER ASSN
PWSID: WA5318150
222 served
VIKING VILLAGE MOBILE HOME PARK
PWSID: WA5391908
25 served
LEWIS RIVER RV PARK
PWSID: WA5329521
347 served
BROOKSIDE
PWSID: WA5346002
100 served
VANRIDGE MOBILE HOME PARK
PWSID: WA5315637
71 served
KELLEY CREST
PWSID: WA5329441
45 served
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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