UNION CITY
Oklahoma — Community Water System — PWSID: OK3000909
System Information
| PWSID | OK3000909 |
| System Name | UNION CITY |
| System Type | Community Water System |
| Water Source | GUP |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 12, 1996 |
| Last Reported | Feb 18, 2026 |
Location & Contact
| State | Oklahoma |
| City | UNION CITY |
| ZIP Code | 73090 |
| Address | The Honorable Bob McGregor, Mayor |
| Organization | UNION CITY |
| Phone | 405-483-5509 |
Population & Service
| Population Served | 618 |
| Service Connections | 262 |
Drinking Water Violations (139)
This water system has 139 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2025 | — | |
| Dec 30, 2024 | — | MR | No | No | — | 0.080 mg/L | — | Resolved | Apr 10, 2025 | — | |
| Dec 30, 2024 | — | MR | No | No | — | 0.080 mg/L | — | Resolved | Apr 10, 2025 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .099 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .094 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .094 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .094 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .094 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .099 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .099 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .099 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2024 | — | |
| Jun 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Jun 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Jun 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Jun 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .089 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .089 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .095 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .095 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .095 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .095 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .089 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .089 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .093 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .093 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .093 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .093 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2024 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | .097 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | .097 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | .097 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | .097 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2023 | — |
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.