CALPORTLAND - RILLITO CEMENT PLANT
Arizona — Non-Transient Non-Community — PWSID: AZ0420011
System Information
| PWSID | AZ0420011 |
| System Name | CALPORTLAND - RILLITO CEMENT PLANT |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Oct 5, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Arizona |
| City | RILLITO |
| ZIP Code | 85654 |
| Address | 11115 N CASA GRANDE HWY |
| Organization | TOTH, JAKE |
| Phone | 520-616-1321 |
Population & Service
| Population Served | 184 |
| Service Connections | 12 |
Drinking Water Violations (121)
This water system has 121 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 31, 2024 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Dec 30, 2024 | Ground Water Rule |
| Oct 31, 2024 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Dec 30, 2024 | Ground Water Rule |
| Oct 31, 2024 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Dec 30, 2024 | Ground Water Rule |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | TT | Yes | No | — | — | — | Resolved | Nov 20, 2024 | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | TT | Yes | No | — | — | — | Resolved | Nov 20, 2024 | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Resolved | Nov 20, 2024 | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Resolved | Nov 20, 2024 | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Resolved | Nov 20, 2024 | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | TT | Yes | No | — | — | — | Resolved | Nov 20, 2024 | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | TT | Yes | No | — | — | — | Resolved | Nov 20, 2024 | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Resolved | Nov 20, 2024 | Lead and Copper Rule Revisions |
| Jun 26, 2024 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Dec 30, 2024 | Ground Water Rule |
| Jun 26, 2024 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Dec 30, 2024 | Ground Water Rule |
| Jun 26, 2024 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Dec 30, 2024 | Ground Water Rule |
| Jun 26, 2024 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Dec 30, 2024 | Ground Water Rule |
| Jan 1, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 5, 2023 | Lead and Copper Rule |
| Jan 1, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 5, 2023 | Lead and Copper Rule |
| Aug 14, 2022 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | Nov 9, 2022 | Revised Total Coliform Rule |
| Aug 14, 2022 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | Nov 9, 2022 | Revised Total Coliform Rule |
| Sep 10, 2021 | — | Revised Total Coliform Rule | Other | No | No | — | — | — | Resolved | Oct 11, 2021 | Revised Total Coliform Rule |
| Sep 10, 2021 | — | Revised Total Coliform Rule | Other | No | No | — | — | — | Resolved | Oct 11, 2021 | Revised Total Coliform Rule |
| Jun 1, 2020 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | Jul 21, 2020 | Revised Total Coliform Rule |
| Jun 1, 2020 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | Jul 21, 2020 | Revised Total Coliform Rule |
| Oct 8, 2015 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Feb 26, 2016 | Ground Water Rule |
| Oct 8, 2015 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Feb 26, 2016 | Ground Water Rule |
| Sep 1, 2015 | Sep 30, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2015 | Total Coliform Rule |
| Sep 1, 2015 | Sep 30, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2015 | Total Coliform Rule |
| Sep 1, 2015 | Sep 30, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2015 | Total Coliform Rule |
| Sep 1, 2015 | Sep 30, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2015 | Total Coliform Rule |
| Aug 1, 2015 | Aug 31, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2015 | Total Coliform Rule |
| Aug 1, 2015 | Aug 31, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2015 | Total Coliform Rule |
| Jul 1, 2015 | Jul 31, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2015 | Total Coliform Rule |
| Jul 1, 2015 | Jul 31, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2015 | Total Coliform Rule |
| Jan 1, 2015 | Jan 31, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2015 | Total Coliform Rule |
| Jan 1, 2015 | Jan 31, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2015 | Total Coliform Rule |
| Dec 1, 2012 | Dec 31, 2012 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2012 | Total Coliform Rule |
| Dec 1, 2012 | Dec 31, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2012 | Total Coliform Rule |
| Dec 1, 2012 | Dec 31, 2012 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2012 | Total Coliform Rule |
| Dec 1, 2012 | Dec 31, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2012 | Total Coliform Rule |
| Sep 1, 2012 | Sep 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2012 | Total Coliform Rule |
| Sep 1, 2012 | Sep 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2012 | Total Coliform Rule |
| Aug 1, 2012 | Aug 31, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2012 | Total Coliform Rule |
| Aug 1, 2012 | Aug 31, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2012 | Total Coliform Rule |
| Jan 1, 2011 | Jan 31, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2011 | Total Coliform Rule |
| Jan 1, 2011 | Jan 31, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2011 | Total Coliform Rule |
| Nov 1, 2010 | Nov 30, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2010 | Total Coliform Rule |
| Nov 1, 2010 | Nov 30, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2010 | Total Coliform Rule |
| Oct 1, 2010 | Oct 31, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2010 | Total Coliform Rule |
| Oct 1, 2010 | Oct 31, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2010 | Total Coliform Rule |
| Oct 1, 2008 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Mar 10, 2009 | Lead and Copper 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.