Iowa · population 11,627
Lead pipes in Storm Lake, IA
142 lead or galvanized lines to replace
Most of Storm Lake (population 11,627) gets its water from Storm Lake Water Treatment Plant. That system reported 0 lead and 142 galvanized-requiring-replacement service lines out of 4,080, with 256 more of unknown material.
3.5% of Storm Lake Water Treatment Plant's service lines are lead or galvanized requiring replacement, lower than the Iowa average (5.6%) and about the same as the national average (3.1%).
- Lead 0%
- Galvanized (replace) 3.5%
- Unknown 6.3%
- Non-lead 90%
Latest lead test for Storm Lake Water Treatment Plant (Jan 2023–Dec 2025): not detected 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 Storm Lake Water Treatment Plant.
Water systems serving Storm Lake
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Storm Lake Water Treatment PlantMain system | 0 | 142 | 256 | 3.5% |
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 Storm Lake
The counts above cover the whole water system. To see whether your line is lead, look up your address on Storm Lake Water Treatment Plant'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 Storm Lake, IA have lead pipes?
Yes. Storm Lake Water Treatment Plant, which serves Storm Lake, reported 0 lead and 142 galvanized-requiring-replacement service lines, plus 256 of unknown material.
Who supplies water to Storm Lake?
EPA's service area maps place most of Storm Lake in Storm Lake Water Treatment Plant's service area (PWSID IA1178097).
How do I check whether my Storm Lake home has a lead service line?
Search your address on Storm Lake Water Treatment Plant'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 Storm Lake 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 Storm Lake Water Treatment Plant whether your street is scheduled and whether it covers the private side.