Montana · population 35,480
Lead pipes in Butte-Silver Bow, MT
556 lead or galvanized lines to replace
Most of Butte-Silver Bow (population 35,480) gets its water from Butte Silverbow Water Dept. That system reported 20 lead and 536 galvanized-requiring-replacement service lines out of 16,583, with 12,774 more of unknown material.
3.4% of Butte Silverbow Water Dept's service lines are lead or galvanized requiring replacement, higher than the Montana average (1.1%) and about the same as the national average (3.1%).
- Lead 0.1%
- Galvanized (replace) 3.2%
- Unknown 77%
- Non-lead 20%
Latest lead test for Butte Silverbow Water Dept (Jan 2022–Dec 2024): 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 Butte Silverbow Water Dept.
Water systems serving Butte-Silver Bow
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Butte Silverbow Water DeptMain system | 20 | 536 | 12,774 | 3.4% |
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 Butte-Silver Bow
The counts above cover the whole water system. To see whether your line is lead, look up your address on Butte Silverbow Water Dept'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
- Deer Lodge10 lead + galv. lines
- Dillon4 lead + galv. lines
- Helena214 unknown
- East Helena13 lead + galv. lines
- Townsend8 lead + galv. lines
- Belgrade25 lead + galv. lines
- Hamilton69 lead + galv. lines
- Bozeman3 lead + galv. lines
Check another water system
Questions
Does Butte-Silver Bow, MT have lead pipes?
Yes. Butte Silverbow Water Dept, which serves Butte-Silver Bow, reported 20 lead and 536 galvanized-requiring-replacement service lines, plus 12,774 of unknown material.
Who supplies water to Butte-Silver Bow?
EPA's service area maps place most of Butte-Silver Bow in Butte Silverbow Water Dept's service area (PWSID MT0000170).
How do I check whether my Butte-Silver Bow home has a lead service line?
Search your address on Butte Silverbow Water Dept'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 Butte-Silver Bow 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 Butte Silverbow Water Dept whether your street is scheduled and whether it covers the private side.