DES MOINES WATER WORKS
Iowa — Community Water System — PWSID: IA7727031
System Information
| PWSID | IA7727031 |
| System Name | DES MOINES WATER WORKS |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 27, 1979 |
| Last Reported | Mar 17, 2026 |
Location & Contact
| State | Iowa |
| City | DES MOINES |
| ZIP Code | 50321 |
| Address | ATTN JENNY PUFFER |
| Organization | DES MOINES WATER WORKS |
| Phone | 515-283-8751 |
Population & Service
| Population Served | 246,055 |
| Service Connections | 94,000 |
Drinking Water Violations (50)
This water system has 50 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2018 | Nov 30, 2018 | MR | No | No | — | — | — | Archived | Nov 30, 2018 | — | |
| May 1, 2017 | May 31, 2017 | TT | Yes | No | — | — | — | Resolved | May 31, 2017 | — | |
| May 1, 2017 | May 31, 2017 | TT | Yes | No | — | — | — | Resolved | May 31, 2017 | — | |
| May 1, 2017 | May 31, 2017 | TT | Yes | No | — | — | — | Resolved | May 31, 2017 | — | |
| May 1, 2017 | May 31, 2017 | TT | Yes | No | — | — | — | Resolved | May 31, 2017 | — | |
| Oct 1, 2014 | Dec 31, 2014 | MCL | Yes | No | .088 MG/L | 0.080 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Oct 1, 2014 | Dec 31, 2014 | MCL | Yes | No | .088 MG/L | 0.080 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Oct 1, 2014 | Dec 31, 2014 | MCL | Yes | No | .088 MG/L | 0.080 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Oct 1, 2014 | Dec 31, 2014 | MCL | Yes | No | .088 MG/L | 0.080 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jul 1, 2014 | Sep 30, 2014 | MCL | Yes | No | .091 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Jul 1, 2014 | Sep 30, 2014 | MCL | Yes | No | .091 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Jul 1, 2014 | Sep 30, 2014 | MCL | Yes | No | .091 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Jul 1, 2014 | Sep 30, 2014 | MCL | Yes | No | .091 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | — | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | — | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | — | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | — | Resolved | Jun 30, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | — | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | — | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | — | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | — | Resolved | Mar 31, 2014 | — | |
| Dec 1, 2013 | Dec 31, 2013 | TT | Yes | No | — | — | — | Resolved | Dec 31, 2013 | — | |
| Dec 1, 2013 | Dec 31, 2013 | TT | Yes | No | — | — | — | Resolved | Dec 31, 2013 | — | |
| Oct 1, 2009 | Sep 30, 2018 | MR | No | Yes | — | 0.2 mg/L | — | Archived | Sep 30, 2018 | — | |
| Oct 1, 2009 | Sep 30, 2018 | MR | No | Yes | — | 0.2 mg/L | — | Archived | Sep 30, 2018 | — | |
| Oct 1, 2009 | Sep 30, 2018 | MR | No | Yes | — | 0.2 mg/L | — | Archived | Sep 30, 2018 | — | |
| Oct 1, 1989 | Dec 31, 1989 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1989 | — | |
| Oct 1, 1989 | Dec 31, 1989 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1989 | — | |
| Jul 1, 1989 | Sep 30, 1989 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 1989 | — | |
| Jul 1, 1989 | Sep 30, 1989 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 1989 | — | |
| Oct 1, 1983 | Nov 30, 1983 | MCL | Yes | No | 10.44 | 10 mg/L | 10 | Archived | Nov 30, 1983 | — | |
| Jun 25, 1982 | Jun 24, 1983 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Jun 24, 1983 | — | |
| Jun 25, 1982 | Jun 24, 1983 | MR | No | Yes | — | 0.002 mg/L | — | Archived | Jun 24, 1983 | — | |
| Jun 25, 1982 | Jun 24, 1983 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Jun 24, 1983 | — | |
| Jun 25, 1982 | Jun 24, 1983 | MR | No | Yes | — | 10 mg/L | — | Archived | Jun 24, 1983 | — | |
| Jun 25, 1982 | Jun 24, 1983 | MR | No | Yes | — | 0.010 mg/L | — | Archived | Jun 24, 1983 | — | |
| Jun 25, 1982 | Jun 24, 1983 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Jun 24, 1983 | — | |
| Jun 25, 1982 | Jun 24, 1983 | MR | No | Yes | — | 2 mg/L | — | Archived | Jun 24, 1983 | — | |
| Jun 25, 1982 | Jun 24, 1983 | MR | No | Yes | — | 0.05 mg/L | — | Archived | Jun 24, 1983 | — | |
| Oct 1, 1979 | Sep 30, 1983 | MR | No | Yes | — | — | — | Archived | Sep 30, 1983 | — | |
| Oct 1, 1979 | Sep 30, 1983 | MR | No | Yes | — | — | — | Archived | Sep 30, 1983 | — | |
| Oct 1, 1979 | Sep 30, 1983 | MR | No | Yes | — | 4 mrem/yr | — | Archived | Sep 30, 1983 | — | |
| Oct 1, 1979 | Sep 30, 1983 | MR | No | Yes | — | — | — | Archived | Sep 30, 1983 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.