Lead Pipe Map

Oregon · population 3,424

Lead pipes in North Plains, OR

2 lines still unidentified

Most of North Plains (population 3,424) gets its water from North Plains Water Department. It reported no confirmed lead service lines, but 2 of 1,749 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of North Plains Water Department's service lines are lead or galvanized requiring replacement, about the same as the Oregon average (0%) and lower than the national average (3.1%).

0Lead
0Galvanized, replace
2Unknown material
1,747Non-lead

Latest lead test for North Plains Water Department (Jan 2023–Dec 2025): not detected 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 North Plains Water Department.

Water systems serving North Plains

Water systemLeadGalv.Unknown% lead
North Plains Water DepartmentMain system0020%
City of HillsboroServes 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 North Plains

The counts above cover the whole water system. To see whether your line is lead, look up your address on North Plains Water Department's official inventory. Utilities had to make these public by October 16, 2024.

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.

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

Nearby cities

Check another water system

Questions

Does North Plains, OR have lead pipes?

None are confirmed, but North Plains Water Department still lists 2 service lines as unknown material.

Who supplies water to North Plains?

EPA's service area maps place most of North Plains in North Plains Water Department's service area (PWSID OR4100576). City of Hillsboro also serves parts of the city or nearby areas.

How do I check whether my North Plains home has a lead service line?

Search your address on North Plains Water Department'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 North Plains 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 North Plains Water Department whether your street is scheduled and whether it covers the private side.