Lead Pipe Map

Washington · population 24,163

Lead pipes in Oak Harbor, WA

633 lines still unidentified

Most of Oak Harbor (population 24,163) gets its water from Naval Air Station/Whidbey Island. It reported no confirmed lead service lines, but 633 of 1,792 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of Naval Air Station/Whidbey Island's service lines are lead or galvanized requiring replacement, lower than the Washington average (0.3%) and lower than the national average (3.1%).

0Lead
0Galvanized, replace
633Unknown material
1,159Non-lead

Latest lead test for Naval Air Station/Whidbey Island (Jan 2023–Dec 2025): 3.4 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.

Compliance record: EPA lists no Lead and Copper Rule violations since 2015 for Naval Air Station/Whidbey Island.

Water systems serving Oak Harbor

Water systemLeadGalv.Unknown% lead
Naval Air Station/Whidbey IslandMain system006330%
City of Oak HarborServes nearby areas0000%

Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.

Check your address in Oak Harbor

The counts above cover the whole water system. To see whether your line is lead, look up your address on Naval Air Station/Whidbey Island's official inventory. Utilities had to make these public by October 16, 2024.

Find the official inventory mapNaval Air Station/Whidbey Island details

No map yet? Do the 2-minute scratch and magnet test.

Protect your drinking water

If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.

Pitcher filtersCheapest start. Pick one certified to NSF/ANSI 53 for lead, such as Brita Elite, PUR Plus or ZeroWater.See pitchers Faucet-mount filtersFilters straight from the tap. Look for NSF/ANSI 53 lead reduction on the box.See faucet filters Under-sink systemsBest for families. Carbon block (NSF 53) or reverse osmosis (NSF 58) units rated for lead.See under-sink

Choosing a lead-certified filter · Testing your water · Replacement cost

Nearby cities

Check another water system

Questions

Does Oak Harbor, WA have lead pipes?

None are confirmed, but Naval Air Station/Whidbey Island still lists 633 service lines as unknown material.

Who supplies water to Oak Harbor?

EPA's service area maps place most of Oak Harbor in Naval Air Station/Whidbey Island's service area (PWSID WA5303420). City of Oak Harbor also serves parts of the city or nearby areas.

How do I check whether my Oak Harbor home has a lead service line?

Search your address on Naval Air Station/Whidbey Island's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.

When will lead pipes in Oak Harbor be replaced?

EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask Naval Air Station/Whidbey Island whether your street is scheduled and whether it covers the private side.