Missouri · 5 community water systems
Lead pipes in St. Louis County, MO
5 community water systems serving St. Louis County reported 9,962 lead and 1,448 galvanized-requiring-replacement service lines, plus 193,057 of unknown material. The most are in Mo American St Louis St Charles Counties.
2.8% of these systems' lines are lead or galvanized requiring replacement, about the same as the Missouri average (3.3%) and about the same as the national average (3.1%).
- Lead 2.5%
- Galvanized (replace) 0.4%
- Unknown 48%
- Non-lead 49%
Water systems serving St. Louis County
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Mo American St Louis St Charles CountiesSt. Charles County | 9,422 | 1,247 | 191,341 | 2.7% |
| Kirkwood PWSKirkwood | 540 | 201 | 1,666 | 7.2% |
| Pacific PWSPacific | 0 | 0 | 47 | 0% |
| Mo American Pevely FarmsSt. Louis County | 0 | 0 | 3 | 0% |
| Mo Eastern Correctional CenterSt. Louis County | 0 | 0 | 0 | 0% |
Systems that also serve other counties are counted in full. Your water bill names your utility.
What to do if your line is lead or unknown
- Check the pipe where water enters your home.
- Use a filter certified to NSF/ANSI 53 for lead for drinking and cooking.
- Test your water, often free through the utility.
- Ask your utility about free or discounted replacement; most lines must be replaced by December 31, 2037.
Check another water system
Questions
Does St. Louis County have lead pipes?
Yes. Water systems serving St. Louis County reported 9,962 lead and 1,448 galvanized-requiring-replacement service lines, plus 193,057 of unknown material.
Which St. Louis County water systems have the most lead lines?
Mo American St Louis St Charles Counties (10,669), Kirkwood PWS (741).
How do I check my home in St. Louis County?
Find the water system named on your water bill in the table above, open its page and use its address-level inventory. You can also scratch-test the pipe where it enters your home.