ELM HILLS UTILITY OPERATING COMPANY INC
Missouri — Community Water System — PWSID: MO3048155
System Information
| PWSID | MO3048155 |
| System Name | ELM HILLS UTILITY OPERATING COMPANY INC |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 7, 1980 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Missouri |
| City | DES PERES |
| ZIP Code | 63131-0000 |
| Address | 1630 DES PERES RD STE 140 |
| Organization | SASSEN, ISABEL |
| Phone | 314-464-3964 |
Population & Service
| Population Served | 154 |
| Service Connections | 61 |
Drinking Water Violations (109)
This water system has 109 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 20, 2016 | — | Other | No | No | — | — | — | Resolved | Jul 25, 2016 | — | |
| Jul 1, 2014 | — | Other | No | No | — | — | — | Resolved | Jun 22, 2015 | — | |
| Jul 1, 2007 | — | Other | No | No | — | — | — | Resolved | Sep 11, 2008 | — | |
| Apr 1, 2006 | Apr 30, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2006 | — | |
| Apr 1, 2006 | Apr 30, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2006 | — | |
| Apr 1, 2006 | Apr 30, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2006 | — | |
| Apr 1, 2006 | Apr 30, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2006 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Sep 30, 2004 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2003 | — |
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.