RIO WSC
Texas - Community Water System - PWSID: TX2140016
System Information
| PWSID | TX2140016 |
| System Name | RIO WSC |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 14, 1980 |
| Last Reported | Mar 31, 2026 |
Location & Contact
| State | Texas |
| City | RIO GRANDE CITY |
| ZIP Code | 78582-6229 |
| Address | 42 N SUNTEX RD |
| Organization | GUERRA, OSCAR |
| Phone | 956-487-2085 |
Population & Service
| Population Served | 6,939 |
| Service Connections | 2,313 |
Drinking Water Violations (169)
This water system has 169 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2025 | Nov 30, 2025 | MR | No | Yes | - | - | - | Archived | Nov 30, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Apr 22, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Apr 22, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Apr 22, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Apr 22, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Apr 22, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Apr 22, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Apr 22, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Apr 22, 2025 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Oct 19, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Oct 19, 2023 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Oct 19, 2023 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Oct 19, 2023 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Oct 19, 2023 | - | |
| Dec 30, 2021 | - | MR | No | No | - | TT | - | Resolved | Jun 1, 2023 | - | |
| Dec 30, 2021 | - | MR | No | No | - | TT | - | Resolved | Jun 1, 2023 | - | |
| Dec 23, 2021 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Nov 1, 2021 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Sep 1, 2021 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Oct 19, 2023 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Oct 19, 2023 | - | |
| Oct 1, 2020 | Oct 31, 2020 | MON | No | No | - | - | - | Resolved | Oct 31, 2020 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Oct 4, 2021 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Oct 4, 2021 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Oct 4, 2021 | - | |
| Oct 1, 2020 | Oct 31, 2020 | MON | No | No | - | - | - | Resolved | Oct 31, 2020 | - | |
| Oct 1, 2020 | Oct 31, 2020 | MON | No | No | - | - | - | Resolved | Oct 31, 2020 | - | |
| Sep 1, 2020 | Sep 30, 2020 | MON | No | No | - | - | - | Resolved | Sep 30, 2020 | - | |
| Sep 1, 2020 | Sep 30, 2020 | MON | No | No | - | - | - | Resolved | Sep 30, 2020 | - | |
| Sep 1, 2020 | Sep 30, 2020 | MON | No | No | - | - | - | Resolved | Sep 30, 2020 | - | |
| Aug 1, 2020 | Aug 31, 2020 | MON | No | No | - | - | - | Resolved | Aug 31, 2020 | - | |
| Aug 1, 2020 | Aug 31, 2020 | MON | No | No | - | - | - | Resolved | Aug 31, 2020 | - | |
| Aug 1, 2020 | Aug 31, 2020 | MON | No | No | - | - | - | Resolved | Aug 31, 2020 | - | |
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Oct 19, 2023 | - | |
| Jul 1, 2020 | Jul 31, 2020 | MON | No | No | - | - | - | Resolved | Jul 31, 2020 | - | |
| Jul 1, 2020 | Jul 31, 2020 | MON | No | No | - | - | - | Resolved | Jul 31, 2020 | - | |
| Jul 1, 2020 | Jul 31, 2020 | MON | No | No | - | - | - | Resolved | Jul 31, 2020 | - |
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.