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 | Dec 31, 2025 |
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 (291)
This water system has 291 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 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jul 1, 2015 | Public Notice Rule and Revised PN Rule |
| May 17, 2015 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jul 1, 2015 | Public Notice Rule and Revised PN Rule |
| Oct 26, 2014 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Jun 7, 2015 | Ground Water Rule |
| Oct 26, 2014 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Jun 7, 2015 | Ground Water Rule |
| Oct 26, 2014 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Jun 7, 2015 | Ground Water Rule |
| Oct 26, 2014 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Jun 7, 2015 | Ground Water Rule |
| Oct 26, 2014 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Jun 7, 2015 | Ground Water Rule |
| Oct 26, 2014 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Jun 7, 2015 | Ground Water Rule |
| Jul 1, 2014 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 8, 2015 | Consumer Confidence Rule |
| Jul 1, 2014 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 8, 2015 | Consumer Confidence Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| Apr 1, 2014 | Apr 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2014 | Total Coliform Rule |
| Apr 1, 2014 | Apr 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2014 | Total Coliform Rule |
| Apr 1, 2014 | Apr 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2014 | Total Coliform Rule |
| Apr 1, 2014 | Apr 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2014 | Total Coliform Rule |
| Apr 1, 2014 | Apr 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2014 | Total Coliform Rule |
| Apr 1, 2014 | Apr 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2014 | Total Coliform Rule |
| Jan 3, 2014 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jul 1, 2015 | Public Notice Rule and Revised PN Rule |
| Jan 3, 2014 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jul 1, 2015 | Public Notice Rule and Revised PN Rule |
| Dec 22, 2013 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jul 1, 2015 | Public Notice Rule and Revised PN Rule |
| Dec 22, 2013 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jul 1, 2015 | Public Notice Rule and Revised PN Rule |
| Jul 1, 2013 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 8, 2015 | Consumer Confidence Rule |
| Jul 1, 2013 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 8, 2015 | Consumer Confidence Rule |
| Dec 1, 2012 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Apr 21, 2016 | Ground Water Rule |
| Dec 1, 2012 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Apr 21, 2016 | Ground Water Rule |
| Dec 1, 2012 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Apr 21, 2016 | Ground Water Rule |
| Dec 1, 2012 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Apr 21, 2016 | Ground Water Rule |
| Dec 1, 2012 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Apr 21, 2016 | Ground Water Rule |
| Nov 1, 2012 | Nov 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2012 | Total Coliform Rule |
| Nov 1, 2012 | Nov 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2012 | Total Coliform Rule |
| Nov 1, 2012 | Nov 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2012 | Total Coliform Rule |
| Nov 1, 2012 | Nov 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2012 | Total Coliform Rule |
| Nov 1, 2012 | Nov 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2012 | Total Coliform Rule |
| Jul 1, 2012 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 8, 2015 | Consumer Confidence Rule |
| Jul 1, 2012 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 8, 2015 | Consumer Confidence Rule |
| Mar 21, 2012 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Jun 7, 2015 | Ground Water Rule |
| Mar 21, 2012 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Jun 7, 2015 | Ground Water Rule |
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.