- EPA's UCMR 5 testing looked for 30 contaminants here and found 1.
- Lithium: found in 9 of 12 samples, average 14.8 µg/L, highest 28 µg/L (EPA UCMR 5 testing, Apr 2023–Nov 2023)
- Lead, 90th percentile: 0 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2022–Dec 31, 2024). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
Public EPA test results
Can you drink Des Moines tap water? What EPA records show
EPA IA7727031 · serves Des Moines, IA · about 246,055 people (EPA SDWIS)
This report shows EPA's federal records for this water system: UCMR 5 testing, lead testing and violations. It isn't a test of the water at your tap, and it has no Water Score.
Public EPA test results
Des Moines Water Works (EPA IA7727031)
EPA data as of October 14, 2026. For Des Moines's main utility, Des Moines Water Works: We found no health-based violations in EPA's records for this system (IA7727031) since July 1, 2021, as of October 14, 2026. PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
What EPA records show for Des Moines Water Works, as of October 14, 2026
We found no health-based violations in EPA's records for this system (IA7727031) since July 1, 2021, as of October 14, 2026.
Source: EPA ECHO record for Des Moines Water Works (SDWIS). Data as of October 14, 2026.
Lead, 90th percentile: 0 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2022–Dec 31, 2024). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
EPA's UCMR 5 testing looked for 30 contaminants here and found 1.
PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026.
Your water bill names your utility.
Does Des Moines Water Works use chloramine?
EPA treatment records (state-reported) list chloramines for Des Moines Water Works. EPA record