Lead Pipe Map

Michigan · population 7,930

Lead pipes in St. Joseph, MI

1,825 lead or galvanized lines to replace

Most of St. Joseph (population 7,930) gets its water from St Joseph. That system reported 1,566 lead and 259 galvanized-requiring-replacement service lines out of 3,936, with 361 more of unknown material.

46% of St Joseph's service lines are lead or galvanized requiring replacement, higher than the Michigan average (9.8%) and higher than the national average (3.1%).

1,566Lead
259Galvanized, replace
361Unknown material
1,750Non-lead

Latest lead test for St Joseph (2026): 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 St Joseph.

Water systems serving St. Joseph

Water systemLeadGalv.Unknown% lead
St JosephMain system1,56625936146%
Southwest Michigan Regional Sanitary SewServes nearby areas2187,8640.1%

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 St. Joseph

The counts above cover the whole water system. To see whether your line is lead, look up your address on St Joseph'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 St. Joseph, MI have lead pipes?

Yes. St Joseph, which serves St. Joseph, reported 1,566 lead and 259 galvanized-requiring-replacement service lines, plus 361 of unknown material.

Who supplies water to St. Joseph?

EPA's service area maps place most of St. Joseph in St Joseph's service area (PWSID MI0006310). Southwest Michigan Regional Sanitary Sew also serves parts of the city or nearby areas.

How do I check whether my St. Joseph home has a lead service line?

Search your address on St Joseph'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 St. Joseph 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 St Joseph whether your street is scheduled and whether it covers the private side.