Minnesota · population 307,465
Lead pipes in St. Paul, MN
17,776 lead or galvanized lines to replace
Most of St. Paul (population 307,465) gets its water from Saint Paul Regional Water Services. That system reported 17,772 lead and 4 galvanized-requiring-replacement service lines out of 98,729, with 6,084 more of unknown material.
18% of Saint Paul Regional Water Services's service lines are lead or galvanized requiring replacement, higher than the Minnesota average (5.7%) and higher than the national average (3.1%).
- Lead 18%
- Galvanized (replace) <0.1%
- Unknown 6.2%
- Non-lead 76%
Latest lead test for Saint Paul Regional Water Services (Jan 2026–Jun 2026): 10 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists 9 Lead and Copper Rule violations since 2015, 1 health-based for Saint Paul Regional Water Services.
Water systems serving St. Paul
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Saint Paul Regional Water ServicesMain system | 17,772 | 4 | 6,084 | 18% |
| South Saint PaulServes nearby areas | 737 | 174 | 87 | 13% |
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. Paul
The counts above cover the whole water system. To see whether your line is lead, look up your address on Saint Paul Regional Water Services'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
- West St. Paul17,776 lead + galv. lines
- Falcon Heights17,776 lead + galv. lines
- Mendota Heights17,776 lead + galv. lines
- Roseville365 lead + galv. lines
- South St. Paul911 lead + galv. lines
- Little Canadano lead reported
- Lauderdale17,776 lead + galv. lines
- Maplewood17,776 lead + galv. lines
Check another water system
Questions
Does St. Paul, MN have lead pipes?
Yes. Saint Paul Regional Water Services, which serves St. Paul, reported 17,772 lead and 4 galvanized-requiring-replacement service lines, plus 6,084 of unknown material.
Who supplies water to St. Paul?
EPA's service area maps place most of St. Paul in Saint Paul Regional Water Services's service area (PWSID MN1620026). South Saint Paul also serves parts of the city or nearby areas.
How do I check whether my St. Paul home has a lead service line?
Search your address on Saint Paul Regional Water Services'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. Paul 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 Saint Paul Regional Water Services whether your street is scheduled and whether it covers the private side.