TWIN OAKS LOCAL DISTRICT
Utah - Community Water System - PWSID: UTAH20014
System Information
| PWSID | UTAH20014 |
| System Name | TWIN OAKS LOCAL DISTRICT |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 2, 1981 |
| Last Reported | Feb 23, 2026 |
Location & Contact
| State | Utah |
| City | CEDAR CITY |
| ZIP Code | 84721 |
| Address | PO BOX 2551 |
| Organization | ASAY, DAVID |
| Phone | 435-463-3555 |
Population & Service
| Population Served | 270 |
| Service Connections | 82 |
Drinking Water Violations (226)
This water system has 226 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 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2017 | - | Other | No | No | - | - | - | Resolved | Dec 22, 2017 | - | |
| Oct 1, 2017 | - | Other | No | No | - | - | - | Resolved | Dec 22, 2017 | - | |
| Oct 1, 2017 | - | Other | No | No | - | - | - | Resolved | Dec 22, 2017 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 2013 | - |
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.