Lead Pipe Map

Montana · population 1,202

Lead pipes in West Yellowstone, MT

59 lines still unidentified

Most of West Yellowstone (population 1,202) gets its water from Town of West Yellowstone. It reported no confirmed lead service lines, but 59 of 832 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of Town of West Yellowstone's service lines are lead or galvanized requiring replacement, lower than the Montana average (1.1%) and lower than the national average (3.1%).

0Lead
0Galvanized, replace
59Unknown material
773Non-lead

Latest lead test for Town of West Yellowstone (Jan 2022–Dec 2024): 1.3 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.

Compliance record: EPA lists 2 Lead and Copper Rule violations since 2015 for Town of West Yellowstone.

Water systems serving West Yellowstone

Water systemLeadGalv.Unknown% lead
Town of West YellowstoneMain system00590%
Hebgen Lake Estates Co Water Sewer DistrAlso serves parts of the city00160%

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 West Yellowstone

The counts above cover the whole water system. To see whether your line is lead, look up your address on Town of West Yellowstone'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 West Yellowstone, MT have lead pipes?

None are confirmed, but Town of West Yellowstone still lists 59 service lines as unknown material.

Who supplies water to West Yellowstone?

EPA's service area maps place most of West Yellowstone in Town of West Yellowstone's service area (PWSID MT0003136). Hebgen Lake Estates Co Water Sewer Distr also serves parts of the city or nearby areas.

How do I check whether my West Yellowstone home has a lead service line?

Search your address on Town of West Yellowstone'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 West Yellowstone 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 Town of West Yellowstone whether your street is scheduled and whether it covers the private side.