HILLCREST UTILITY OPERATING COMPANY INC
Missouri - Community Water System - PWSID: MO4036038
System Information
| PWSID | MO4036038 |
| System Name | HILLCREST 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 | 700 |
| Service Connections | 244 |
Drinking Water Violations (320)
This water system has 320 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 17, 2015 | - | Other | No | No | - | - | - | Resolved | Jul 1, 2015 | - | |
| May 17, 2015 | - | Other | No | No | - | - | - | Resolved | Jul 1, 2015 | - | |
| Oct 26, 2014 | - | TT | Yes | No | - | - | - | Resolved | Jun 7, 2015 | - | |
| Oct 26, 2014 | - | TT | Yes | No | - | - | - | Resolved | Jun 7, 2015 | - | |
| Oct 26, 2014 | - | TT | Yes | No | - | - | - | Resolved | Jun 7, 2015 | - | |
| Oct 26, 2014 | - | TT | Yes | No | - | - | - | Resolved | Jun 7, 2015 | - | |
| Oct 26, 2014 | - | TT | Yes | No | - | - | - | Resolved | Jun 7, 2015 | - | |
| Oct 26, 2014 | - | TT | Yes | No | - | - | - | Resolved | Jun 7, 2015 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Jul 8, 2015 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Jul 8, 2015 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| Apr 1, 2014 | Apr 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2014 | - | |
| Apr 1, 2014 | Apr 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2014 | - | |
| Apr 1, 2014 | Apr 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2014 | - | |
| Apr 1, 2014 | Apr 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2014 | - | |
| Apr 1, 2014 | Apr 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2014 | - | |
| Apr 1, 2014 | Apr 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2014 | - | |
| Jan 3, 2014 | - | Other | No | No | - | - | - | Resolved | Jul 1, 2015 | - | |
| Jan 3, 2014 | - | Other | No | No | - | - | - | Resolved | Jul 1, 2015 | - | |
| Dec 22, 2013 | - | Other | No | No | - | - | - | Resolved | Jul 1, 2015 | - | |
| Dec 22, 2013 | - | Other | No | No | - | - | - | Resolved | Jul 1, 2015 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Jul 8, 2015 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Jul 8, 2015 | - | |
| Dec 1, 2012 | - | MR | No | Yes | - | - | - | Resolved | Apr 21, 2016 | - | |
| Dec 1, 2012 | - | MR | No | Yes | - | - | - | Resolved | Apr 21, 2016 | - | |
| Dec 1, 2012 | - | MR | No | Yes | - | - | - | Resolved | Apr 21, 2016 | - | |
| Dec 1, 2012 | - | MR | No | Yes | - | - | - | Resolved | Apr 21, 2016 | - | |
| Dec 1, 2012 | - | MR | No | Yes | - | - | - | Resolved | Apr 21, 2016 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Jul 8, 2015 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Jul 8, 2015 | - | |
| Mar 21, 2012 | - | TT | Yes | No | - | - | - | Resolved | Jun 7, 2015 | - | |
| Mar 21, 2012 | - | TT | Yes | No | - | - | - | Resolved | Jun 7, 2015 | - |
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.