Montana · population 3,235
Lead pipes in Libby, MT
3 lines still unidentified
Most of Libby (population 3,235) gets its water from City of Libby. It reported no confirmed lead service lines, but 3 of 2,015 lines are still listed as unknown material, so lead hasn't been ruled out.
0% of City of Libby's service lines are lead or galvanized requiring replacement, lower than the Montana average (1.1%) and lower than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 0%
- Unknown 0.1%
- Non-lead 100%
Latest lead test for City of Libby (Jan 2023–Dec 2025): 2 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 City of Libby.
Water systems serving Libby
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| City of LibbyMain system | 0 | 0 | 3 | 0% |
| Emkayan Village Co Water and Sewer DistAlso serves parts of the city | 0 | 0 | 6 | 0% |
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 Libby
The counts above cover the whole water system. To see whether your line is lead, look up your address on City of Libby'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
- Thompson Falls8 lead + galv. lines
- Whitefish1,874 unknown
- Kalispell54 lead + galv. lines
- Columbia Falls7 unknown
- Ronan463 unknown
- Missoulano lead reported
- Hamilton69 lead + galv. lines
- Shelby7 lead + galv. lines
Check another water system
Questions
Does Libby, MT have lead pipes?
None are confirmed, but City of Libby still lists 3 service lines as unknown material.
Who supplies water to Libby?
EPA's service area maps place most of Libby in City of Libby's service area (PWSID MT0000274). Emkayan Village Co Water and Sewer Dist also serves parts of the city or nearby areas.
How do I check whether my Libby home has a lead service line?
Search your address on City of Libby'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 Libby 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 City of Libby whether your street is scheduled and whether it covers the private side.