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ZIP Code 99344 Water Quality
Washington · 12,636 people served · 20 water systems
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ExcellentZIP code 99344 is in Washington and is a small city from a drinking-water-service perspective, with 12,636 people served by 20 EPA-registered public water systems. It overlaps with 2 communities including Othello, OTHELLO.
Within ZIP code 99344, the EPA Safe Drinking Water Information System (SDWIS) records no health-based Maximum Contaminant Level (MCL) exceedances during the past five years across the 20 water systems serving this postal area.
Last updated: 2026-05-18 · Source: EPA SDWIS
ZIP Code Location
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Cities in ZIP 99344
Water Systems Serving 99344
BASIN VIEW WATER ASSOCIATION
PWSID: WA5304530
60 served
RADAR HILL WATER SYSTEM
PWSID: WA5311901
128 served
Cypress Country Estates
PWSID: WA5315461
253 served
ADAMS COUNTY WATER DIST #1
PWSID: WA5322525
870 served
FAIRVIEW DOMESTIC WATER ASSN
PWSID: WA5324500
89 served
CLEARWATER DOMESTIC WATER ASSN
PWSID: WA5313550
78 served
BIRD DOG FAMILY LTD PARTNERSHIP II
PWSID: WA5352172
186 served
HIGHLAND ESTATES WATER SYSTEM
PWSID: WA5332736
53 served
Legacy Resort
PWSID: WA53AB961
46 served
RINGOLD DOMESTIC WATER CORP
PWSID: WA5372500
340 served
Rustic Ridge
PWSID: WA5372935
221 served
MEADOW LANE WATER ASSN
PWSID: WA5353190
98 served
ROYAL WATER DISTRICT
PWSID: WA5300543
430 served
OTHELLO WATER DEPARTMENT
PWSID: WA5364850
8,755 served
SUMMERSET WEST WATER ASSOCIATION
PWSID: WA5385080
240 served
OTHELLO COUNTRY CLUB WATER ASSN
PWSID: WA5364830
208 served
WEST 15 DOMESTIC WATER ASSN
PWSID: WA5394650
150 served
WEST MESA DOMESTIC WATER ASSN
PWSID: WA5394830
316 served
West Side Mobile Court
PWSID: WA5394910
80 served
SOUTH OTHELLO WATER USERS
PWSID: WA5382200
35 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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