Water quality report for Rio Hondo, TX — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.
A look at Rio Hondo's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.
Lead was not detected. PFAS has never been sampled at this system.
Graded on violations and lead, with state inspection findings. PFAS not tested.
| Contaminant | Type | Measured | Limit | Period | Status |
|---|---|---|---|---|---|
| Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2025 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2025 | Resolved |
| CARBON, TOTAL | MONITORING AND REPORTING | — | TT | 2025 | Resolved |
| Consumer Confidence Rule | OTHER | — | — | 2025 | Unaddressed |
| Public Notice | OTHER | — | — | 2025 | Resolved |
| Public Notice | OTHER | — | — | 2025 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2025 | Resolved |
| Public Notice | OTHER | — | — | 2025 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2025 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2025 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2025 | Resolved |
| Chlorine dioxide | MONITORING AND REPORTING | — | 0.8 mg/L | 2025 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2025 | Resolved |
| LEAD AND COPPER RULE REVISIONS | TREATMENT TECHNIQUE | — | — | 2024 | Unaddressed |
| LEAD AND COPPER RULE REVISIONS | REPORTING FAILURE | — | — | 2024 | Unaddressed |
| Public Notice | OTHER | — | — | 2023 | Resolved |
| Public Notice | OTHER | — | — | 2023 | Resolved |
| Public Notice | OTHER | — | — | 2022 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2022 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2022 | Resolved |
| CARBON, TOTAL | MONITORING AND REPORTING | — | TT | 2022 | Resolved |
| Public Notice | OTHER | — | — | 2022 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2022 | Resolved |
| Public Notice | OTHER | — | — | 2022 | Resolved |
| Public Notice | OTHER | — | — | 2022 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2022 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2022 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2022 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2021 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2021 | Resolved |
| Public Notice | OTHER | — | — | 2021 | Resolved |
| Public Notice | OTHER | — | — | 2021 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2021 | Resolved |
| Public Notice | OTHER | — | — | 2021 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2021 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2020 | Resolved |
| Public Notice | OTHER | — | — | 2020 | Resolved |
| Public Notice | OTHER | — | — | 2020 | Resolved |
| Public Notice | OTHER | — | — | 2020 | Resolved |
| Public Notice | OTHER | — | — | 2020 | Resolved |
| Public Notice | OTHER | — | — | 2020 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2020 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2020 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2020 | Resolved |
| Public Notice | OTHER | — | — | 2020 | Resolved |
| Chlorite | MONITORING AND REPORTING | — | 1.0 mg/L | 2019 | Resolved |
| Chlorite | MONITORING AND REPORTING | — | 1.0 mg/L | 2019 | Resolved |
| Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2019 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2019 | Resolved |
| Public Notice | OTHER | — | — | 2019 | Resolved |
| Public Notice | OTHER | — | — | 2019 | Unaddressed |
| Public Notice | OTHER | — | — | 2019 | Resolved |
| Public Notice | OTHER | — | — | 2019 | Resolved |
| Public Notice | OTHER | — | — | 2019 | Resolved |
| Chlorine dioxide | DISINFECTANT LEVEL | 0.9 MG/L | 0.8 mg/L | 2019 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2019 | Resolved |
| Chlorite | MONITORING AND REPORTING | — | 1.0 mg/L | 2019 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2019 | Resolved |
| Chlorite | MONITORING AND REPORTING | — | 1.0 mg/L | 2019 | Resolved |
| Public Notice | OTHER | — | — | 2019 | Addressed |
| Public Notice | OTHER | — | — | 2019 | Addressed |
| Chlorite | MONITORING AND REPORTING | — | 1.0 mg/L | 2019 | Resolved |
| Public Notice | OTHER | — | — | 2019 | Resolved |
| Public Notice | OTHER | — | — | 2019 | Unaddressed |
| Chlorite | MONITORING AND REPORTING | — | 1.0 mg/L | 2019 | Resolved |
| Public Notice | OTHER | — | — | 2019 | Resolved |
| Public Notice | OTHER | — | — | 2019 | Resolved |
| Public Notice | OTHER | — | — | 2019 | Addressed |
| Public Notice | OTHER | — | — | 2019 | Resolved |
| Public Notice | OTHER | — | — | 2019 | Addressed |
| Public Notice | OTHER | — | — | 2019 | Resolved |
| Chlorite | MONITORING AND REPORTING | — | 1.0 mg/L | 2019 | Resolved |
| Public Notice | OTHER | — | — | 2019 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2019 | Resolved |
| Chlorite | MONITORING AND REPORTING | — | 1.0 mg/L | 2019 | Resolved |
| Public Notice | OTHER | — | — | 2018 | Addressed |
| Public Notice | OTHER | — | — | 2018 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2018 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2018 | Resolved |
| Public Notice | OTHER | — | — | 2018 | Resolved |
| Public Notice | OTHER | — | — | 2018 | Resolved |
| Public Notice | OTHER | — | — | 2018 | Resolved |
| TTHM | MCL EXCEEDANCE | 0.119 MG/L | 0.080 mg/L | 2018 | Resolved |
| Public Notice | OTHER | — | — | 2018 | Resolved |
| Public Notice | OTHER | — | — | 2018 | Resolved |
| Public Notice | OTHER | — | — | 2018 | Addressed |
| Public Notice | OTHER | — | — | 2018 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2018 | Resolved |
| Chlorite | MONITORING AND REPORTING | — | 1.0 mg/L | 2018 | Resolved |
| Public Notice | OTHER | — | — | 2018 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2018 | Resolved |
| Public Notice | OTHER | — | — | 2018 | Resolved |
| Public Notice | OTHER | — | — | 2018 | Resolved |
| Public Notice | OTHER | — | — | 2018 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2018 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2018 | Resolved |
| Total Haloacetic Acids (HAA5) | MCL EXCEEDANCE | 0.07 MG/L | 0.060 mg/L | 2018 | Resolved |
| TTHM | MCL EXCEEDANCE | 0.157 MG/L | 0.080 mg/L | 2018 | Resolved |
| Public Notice | OTHER | — | — | 2018 | Addressed |
| Consumer Confidence Rule | OTHER | — | — | 2018 | Resolved |
| Total Haloacetic Acids (HAA5) | MONITORING AND REPORTING | — | 0.060 mg/L | 2018 | Resolved |
| TTHM | MONITORING AND REPORTING | — | 0.080 mg/L | 2018 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2018 | Resolved |
| Public Notice | OTHER | — | — | 2018 | Resolved |
| Public Notice | OTHER | — | — | 2018 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2018 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2018 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2018 | Resolved |
| Public Notice | OTHER | — | — | 2018 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2018 | Resolved |
| TTHM | MCL EXCEEDANCE | 0.186 MG/L | 0.080 mg/L | 2018 | Resolved |
| Total Haloacetic Acids (HAA5) | MCL EXCEEDANCE | 0.069 MG/L | 0.060 mg/L | 2018 | Resolved |
| Total Haloacetic Acids (HAA5) | MCL EXCEEDANCE | 0.081 MG/L | 0.060 mg/L | 2018 | Resolved |
| TTHM | MCL EXCEEDANCE | 0.187 MG/L | 0.080 mg/L | 2018 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2018 | Resolved |
| CARBON, TOTAL | MONITORING AND REPORTING | — | TT | 2018 | Archived |
| Public Notice | OTHER | — | — | 2018 | Resolved |
| Public Notice | OTHER | — | — | 2018 | Addressed |
| Total Haloacetic Acids (HAA5) | MONITORING AND REPORTING | — | 0.060 mg/L | 2018 | Resolved |
| TTHM | MONITORING AND REPORTING | — | 0.080 mg/L | 2018 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2018 | Resolved |
| Public Notice | OTHER | — | — | 2018 | Resolved |
| Revised Total Coliform Rule | MONITORING FAILURE | — | — | 2018 | Resolved |
| Public Notice | OTHER | — | — | 2018 | Resolved |
| Total Haloacetic Acids (HAA5) | MCL EXCEEDANCE | 0.079 MG/L | 0.060 mg/L | 2018 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2018 | Resolved |
| TTHM | MCL EXCEEDANCE | 0.186 MG/L | 0.080 mg/L | 2018 | Resolved |
| Chlorine dioxide | MONITORING AND REPORTING | — | 0.8 mg/L | 2018 | Resolved |
| Chlorite | MONITORING AND REPORTING | — | 1.0 mg/L | 2018 | Resolved |
| CARBON, TOTAL | MONITORING AND REPORTING | — | TT | 2018 | Archived |
| CARBON, TOTAL | MONITORING AND REPORTING | — | TT | 2018 | Archived |
| Public Notice | OTHER | — | — | 2017 | Addressed |
| Public Notice | OTHER | — | — | 2017 | Resolved |
| Total Haloacetic Acids (HAA5) | MCL EXCEEDANCE | 0.063 MG/L | 0.060 mg/L | 2017 | Resolved |
| TTHM | MCL EXCEEDANCE | 0.17 MG/L | 0.080 mg/L | 2017 | Resolved |
| Public Notice | OTHER | — | — | 2017 | Resolved |
| Public Notice | OTHER | — | — | 2017 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2017 | Resolved |
| TTHM | MCL EXCEEDANCE | 0.172 MG/L | 0.080 mg/L | 2017 | Resolved |
| Total Haloacetic Acids (HAA5) | MCL EXCEEDANCE | 0.074 MG/L | 0.060 mg/L | 2017 | Resolved |
| Public Notice | OTHER | — | — | 2017 | Resolved |
| Public Notice | OTHER | — | — | 2017 | Resolved |
| Public Notice | OTHER | — | — | 2017 | Resolved |
| Lead and Copper Rule | MONITORING AND REPORTING | — | TT | 2017 | Resolved |
| TTHM | MCL EXCEEDANCE | 0.118 MG/L | 0.080 mg/L | 2017 | Resolved |
| Public Notice | OTHER | — | — | 2017 | Resolved |
| Public Notice | OTHER | — | — | 2017 | Resolved |
| Public Notice | OTHER | — | — | 2017 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2017 | Resolved |
| Lead and Copper Rule | MONITORING AND REPORTING | — | TT | 2017 | Resolved |
| CARBON, TOTAL | MONITORING AND REPORTING | — | TT | 2017 | Archived |
| TTHM | MCL EXCEEDANCE | 0.088 MG/L | 0.080 mg/L | 2017 | Resolved |
| TTHM | MCL EXCEEDANCE | 0.155 MG/L | 0.080 mg/L | 2017 | Resolved |
| Revised Total Coliform Rule | MONITORING FAILURE | — | — | 2017 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2016 | Resolved |
| Revised Total Coliform Rule | MONITORING FAILURE | — | — | 2016 | Resolved |
| Public Notice | OTHER | — | — | 2016 | Resolved |
| Public Notice | OTHER | — | — | 2016 | Resolved |
| Public Notice | OTHER | — | — | 2016 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2016 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2016 | Resolved |
| TTHM | MCL EXCEEDANCE | 0.132 MG/L | 0.080 mg/L | 2016 | Resolved |
| CARBON, TOTAL | MONITORING AND REPORTING | — | TT | 2016 | Archived |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2016 | Resolved |
| Lead and Copper Rule | MONITORING AND REPORTING | — | TT | 2016 | Resolved |
| Consumer Confidence Rule | OTHER | — | — | 2016 | Resolved |
| TTHM | MCL EXCEEDANCE | 0.089 MG/L | 0.080 mg/L | 2016 | Resolved |
| CARBON, TOTAL | MONITORING AND REPORTING | — | TT | 2016 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2016 | Resolved |
| CARBON, TOTAL | MONITORING AND REPORTING | — | TT | 2016 | Archived |
| Public Notice | OTHER | — | — | 2016 | Resolved |
| Public Notice | OTHER | — | — | 2016 | Resolved |
| Coliform (TCR) | MONITORING AND REPORTING | — | 5% of samples | 2015 | Resolved |
| Public Notice | OTHER | — | — | 2015 | Resolved |
| Public Notice | OTHER | — | — | 2015 | Resolved |
| Lead and Copper Rule | MONITORING AND REPORTING | — | TT | 2015 | Resolved |
| Consumer Confidence Rule | OTHER | — | — | 2015 | Resolved |
| Public Notice | OTHER | — | — | 2015 | Resolved |
| Chlorite | MONITORING AND REPORTING | — | 1.0 mg/L | 2015 | Resolved |
| Chlorite | MONITORING AND REPORTING | — | 1.0 mg/L | 2015 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2015 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2015 | Resolved |
| Public Notice | OTHER | — | — | 2015 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2015 | Resolved |