Water Quality in Oak Harbor, WA (98236)
EPA violation data for public water systems serving ZIP code 98236.
No Health-Based Violations
None of the 22 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are9 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 65% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
7,199
Population
22
Water Systems
9
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (22)
Oak Harbor City Of
All resolvedNaval Air Station/Whidbey Island
Clinton Water District
Vistaire Water System
Tom Kohlwes Water System
Davis Industries Inc-903
Possession View
Little Brown Church
Jim And Johns Resort
Bay Light
Lakeside Bible Camp
All resolvedChesaw Water System
Blueberry Hill
All resolvedRoss Water System
All resolvedLancaster Heights #1 Water System
South Maxwelton Beach Water Sy
Longwood Water Association
Glendale Water Assoc
Island Greens
Gabelein-Farmhouse
Faith Pentecostal
Secret Corner Water System
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2022
How Does This Compare?
Oak Harbor (98236) has more violations than 65% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 9, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.