Public water system record
City of Rio Hondo
Serves Rio Hondo, Cameron County, TX · 2,640 people served
Federal records show 46 health-based violations and 127 monitoring/reporting issues for City of Rio Hondo in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
Source water
Surface water
ZIP
78583
EPA system ID
TX0310006
- Health-based violations, last 10 years
- 46
- Resolved
- 45
- Unresolved
- 1
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 127
Key facts
- City of Rio Hondo draws water from 2 surface water intakes.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.187 mg/L, federal limit 0.08 mg/L (2.3 times the limit), 2018.
- Most recent formal enforcement: compliance order with a penalty by Texas, May 2024.
- Record on file since 1993, with 21 health-based violations before October 19, 2016.
Check whether City of Rio Hondo serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jan 1, 2025 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jan 1, 2025 | Resolved | Yes |
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Active | No |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Nov 1, 2022 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Apr 1, 2022 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Mar 1, 2022 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Feb 1, 2022 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jan 1, 2022 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Aug 1, 2021 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jul 1, 2021 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Feb 1, 2021 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jan 1, 2021 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Dec 1, 2020 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jul 1, 2020 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jul 1, 2020 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Aug 1, 2019 | Resolved | Yes |
|
Chlorine dioxide
Disinfectant residual limit exceeded
Measured 0.9 mg/L, federal limit 0.8 mg/L (1.1 times the limit)
|
210 | Aug 1, 2019 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jan 1, 2019 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Dec 1, 2018 | Resolved | Yes |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.119 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
|
220 | Oct 1, 2018 | Resolved | No |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Sep 1, 2018 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Aug 1, 2018 | Resolved | Yes |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.157 mg/L, federal limit 0.08 mg/L (2 times the limit)
|
220 | Jul 1, 2018 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.07 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
|
220 | Jul 1, 2018 | Resolved | No |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jul 1, 2018 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jun 1, 2018 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | May 1, 2018 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | May 1, 2018 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Apr 1, 2018 | Resolved | Yes |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.187 mg/L, federal limit 0.08 mg/L (2.3 times the limit)
|
220 | Apr 1, 2018 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.06 mg/L (1.4 times the limit)
|
220 | Apr 1, 2018 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.069 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
|
220 | Apr 1, 2018 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.186 mg/L, federal limit 0.08 mg/L (2.3 times the limit)
|
220 | Apr 1, 2018 | Resolved | No |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Apr 1, 2018 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Mar 1, 2018 | Resolved | Yes |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.186 mg/L, federal limit 0.08 mg/L (2.3 times the limit)
|
220 | Jan 1, 2018 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.079 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
|
220 | Jan 1, 2018 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.17 mg/L, federal limit 0.08 mg/L (2.1 times the limit)
|
220 | Oct 1, 2017 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.063 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
220 | Oct 1, 2017 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.074 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
|
220 | Jul 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.172 mg/L, federal limit 0.08 mg/L (2.2 times the limit)
|
220 | Jul 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.118 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
|
220 | Apr 1, 2017 | Resolved | No |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Feb 1, 2017 | Resolved | Yes |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.155 mg/L, federal limit 0.08 mg/L (1.9 times the limit)
|
220 | Jan 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Jan 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.132 mg/L, federal limit 0.08 mg/L (1.7 times the limit)
|
220 | Oct 1, 2016 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2025 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2025 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Aug 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Active |
|
Public Notice
OTHER
|
May 1, 2025 | Resolved |
|
Public Notice
OTHER
|
Mar 3, 2025 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2025 | Resolved |
|
Public Notice
OTHER
|
Feb 14, 2025 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Feb 1, 2025 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Chlorine dioxide
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Active |
|
Public Notice
OTHER
|
Nov 23, 2023 | Resolved |
|
Public Notice
OTHER
|
Nov 19, 2023 | Resolved |
|
Public Notice
OTHER
|
Dec 31, 2022 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Sep 1, 2022 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Public Notice
OTHER
|
May 31, 2022 | Resolved |
|
Public Notice
OTHER
|
Mar 31, 2022 | Resolved |
|
Public Notice
OTHER
|
Mar 3, 2022 | Resolved |
|
Public Notice
OTHER
|
Mar 31, 2021 | Resolved |
|
Public Notice
OTHER
|
Mar 3, 2021 | Resolved |
|
Public Notice
OTHER
|
Jan 31, 2021 | Resolved |
|
Public Notice
OTHER
|
Sep 24, 2020 | Resolved |
|
Public Notice
OTHER
|
Sep 11, 2020 | Resolved |
|
Public Notice
OTHER
|
Aug 31, 2020 | Resolved |
|
Public Notice
OTHER
|
Aug 7, 2020 | Resolved |
|
Public Notice
OTHER
|
Aug 1, 2020 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jul 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Jun 12, 2020 | Resolved |
|
Chlorite
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Chlorite
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Sep 1, 2019 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Sep 1, 2019 | Resolved |
|
Public Notice
OTHER
|
Aug 26, 2019 | Resolved |
|
Public Notice
OTHER
|
Aug 12, 2019 | Active |
|
Public Notice
OTHER
|
Aug 5, 2019 | Resolved |
|
Public Notice
OTHER
|
Aug 3, 2019 | Resolved |
|
Public Notice
OTHER
|
Aug 3, 2019 | Resolved |
|
Chlorite
Monitoring and reporting
|
Aug 1, 2019 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Aug 1, 2019 | Resolved |
|
Chlorite
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Public Notice
OTHER
|
Jun 15, 2019 |
Active
Enforcement action in place
|
|
Public Notice
OTHER
|
Jun 12, 2019 |
Active
Enforcement action in place
|
|
Chlorite
Monitoring and reporting
|
Jun 1, 2019 | Resolved |
|
Public Notice
OTHER
|
May 17, 2019 | Active |
|
Public Notice
OTHER
|
May 17, 2019 | Resolved |
|
Chlorite
Monitoring and reporting
|
May 1, 2019 | Resolved |
|
Public Notice
OTHER
|
Apr 8, 2019 | Resolved |
|
Public Notice
OTHER
|
Apr 8, 2019 | Resolved |
|
Public Notice
OTHER
|
Apr 5, 2019 |
Active
Enforcement action in place
|
|
Public Notice
OTHER
|
Mar 3, 2019 | Resolved |
|
Public Notice
OTHER
|
Mar 1, 2019 | Resolved |
|
Public Notice
OTHER
|
Mar 1, 2019 |
Active
Enforcement action in place
|
|
Chlorite
Monitoring and reporting
|
Feb 1, 2019 | Resolved |
|
Public Notice
OTHER
|
Jan 31, 2019 | Resolved |
|
Chlorite
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Public Notice
OTHER
|
Dec 26, 2018 | Resolved |
|
Public Notice
OTHER
|
Dec 26, 2018 |
Active
Enforcement action in place
|
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2018 | Resolved |
|
Public Notice
OTHER
|
Oct 31, 2018 | Resolved |
|
Public Notice
OTHER
|
Oct 21, 2018 | Resolved |
|
Public Notice
OTHER
|
Oct 1, 2018 | Resolved |
|
Public Notice
OTHER
|
Sep 26, 2018 | Resolved |
|
Public Notice
OTHER
|
Sep 26, 2018 |
Active
Enforcement action in place
|
|
Public Notice
OTHER
|
Sep 26, 2018 | Resolved |
|
Public Notice
OTHER
|
Sep 26, 2018 | Resolved |
|
Chlorite
Monitoring and reporting
|
Sep 1, 2018 | Resolved |
|
Public Notice
OTHER
|
Aug 31, 2018 | Resolved |
|
Public Notice
OTHER
|
Jul 31, 2018 | Resolved |
|
Public Notice
OTHER
|
Jul 30, 2018 | Resolved |
|
Public Notice
OTHER
|
Jul 30, 2018 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2018 | Resolved |
|
Public Notice
OTHER
|
Jul 1, 2018 |
Active
Enforcement action in place
|
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jun 12, 2018 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jun 12, 2018 | Resolved |
|
Public Notice
OTHER
|
Jun 1, 2018 | Resolved |
|
Public Notice
OTHER
|
May 31, 2018 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
May 1, 2018 | Resolved |
|
Public Notice
OTHER
|
Apr 13, 2018 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Apr 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Public Notice
OTHER
|
Mar 20, 2018 |
Active
Enforcement action in place
|
|
Public Notice
OTHER
|
Mar 20, 2018 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Mar 13, 2018 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Mar 13, 2018 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2018 | Resolved |
|
Public Notice
OTHER
|
Feb 1, 2018 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jan 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
CARBON, TOTAL
Monitoring and reporting
|
Jan 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Chlorite
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Chlorine dioxide
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Public Notice
OTHER
|
Jan 1, 2018 | Resolved |
|
Public Notice
OTHER
|
Dec 21, 2017 |
Active
Enforcement action in place
|
|
Public Notice
OTHER
|
Oct 22, 2017 | Resolved |
|
Public Notice
OTHER
|
Sep 12, 2017 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Aug 1, 2017 | Resolved |
|
Public Notice
OTHER
|
Aug 1, 2017 | Resolved |
|
Public Notice
OTHER
|
May 8, 2017 | Resolved |
|
Public Notice
OTHER
|
May 1, 2017 | Resolved |
|
Public Notice
OTHER
|
Apr 11, 2017 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Apr 1, 2017 | Resolved |
|
Public Notice
OTHER
|
Mar 10, 2017 | Resolved |
|
Public Notice
OTHER
|
Feb 9, 2017 | Resolved |
|
Public Notice
OTHER
|
Feb 7, 2017 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2017 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jan 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2016 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Dec 1, 2016 | Resolved |
|
Public Notice
OTHER
|
Nov 12, 2016 | Resolved |
|
Public Notice
OTHER
|
Nov 10, 2016 | Resolved |
|
Public Notice
OTHER
|
Nov 2, 2016 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2016 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Oct 1, 2016 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2016 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2016 | Resolved |
|
Public Notice
OTHER
|
Mar 11, 2016 | Resolved |
|
Public Notice
OTHER
|
Feb 8, 2016 | Resolved |
|
Public Notice
OTHER
|
Oct 27, 2015 | Resolved |
|
Public Notice
OTHER
|
Oct 9, 2015 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2015 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2015 | Resolved |
|
Public Notice
OTHER
|
May 31, 2015 | Resolved |
|
Public Notice
OTHER
|
Mar 3, 2015 | Resolved |
Full record since 1993
EPA's records for City of Rio Hondo go back to 1993. Before October 19, 2016 they list 21 health-based violations (21 resolved) and 32 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2000s | 15 | 8 |
| 2010 to October 18, 2016 | 6 | 23 |
| October 19, 2016 to 2019 | 30 | 85 |
| 2020s | 15 | 30 |
Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began October 2016, Resolved.
Show all 21 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.132 mg/L, federal limit 0.08 mg/L (1.7 times the limit)
|
Oct 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.089 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Jul 1, 2016 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Apr 1, 2015 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Jan 1, 2015 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Jan 1, 2012 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Jan 1, 2012 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
Oct 1, 2005 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.068 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
Oct 1, 2005 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.096 mg/L, federal limit 0.06 mg/L (1.6 times the limit)
|
Jul 1, 2005 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.144 mg/L, federal limit 0.08 mg/L (1.8 times the limit)
|
Jul 1, 2005 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.146 mg/L, federal limit 0.06 mg/L (2.4 times the limit)
|
Apr 1, 2005 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.235 mg/L, federal limit 0.08 mg/L (2.9 times the limit)
|
Apr 1, 2005 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.197 mg/L, federal limit 0.06 mg/L (3.3 times the limit)
|
Jan 1, 2005 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.333 mg/L, federal limit 0.08 mg/L (4.2 times the limit)
|
Jan 1, 2005 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.344 mg/L, federal limit 0.08 mg/L (4.3 times the limit)
|
Oct 1, 2004 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.182 mg/L, federal limit 0.06 mg/L (3 times the limit)
|
Oct 1, 2004 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.15 mg/L, federal limit 0.06 mg/L (2.5 times the limit)
|
Jul 1, 2004 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.292 mg/L, federal limit 0.08 mg/L (3.7 times the limit)
|
Jul 1, 2004 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.092 mg/L, federal limit 0.06 mg/L (1.5 times the limit)
|
Apr 1, 2004 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.189 mg/L, federal limit 0.08 mg/L (2.4 times the limit)
|
Apr 1, 2004 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Jan 1, 2003 | Resolved |
Enforcement actions
Texas regulators and EPA took 8 formal enforcement actions against City of Rio Hondo and issued 1 boil water order between 2005 and 2024. The most recent was a compliance order with a penalty in May 2024.
| Date | By | Action | Violations covered |
|---|---|---|---|
| May 3, 2024 | Texas | Compliance order with a penalty | 3 violations (3 health-based): Interim Enhanced Surface Water Treatment Rule |
| Nov 20, 2020 | Texas | Compliance order with a penalty | 14 violations: Public Notice, Consumer Confidence Rule |
| Oct 12, 2020 | Texas | Compliance order with a penalty | 2 violations (1 health-based): Chlorite, Chlorine dioxide |
| Jul 16, 2019 | Texas | Compliance order with a penalty | 20 violations (10 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs), Interim Enhanced Surface Water Treatment Rule, CARBON, TOTAL, Public Notice |
| Feb 11, 2019 | EPA | Compliance order (no penalty) | 4 violations: Revised Total Coliform Rule, Public Notice |
| Sep 26, 2018 | Texas | Compliance order with a penalty | 25 violations (6 health-based): Public Notice, Haloacetic Acids (HAA5) |
| Apr 11, 2018 | Texas | Boil water order | 1 violation (1 health-based): Interim Enhanced Surface Water Treatment Rule |
| Oct 17, 2017 | Texas | Compliance order with a penalty | 29 violations (12 health-based): Consumer Confidence Rule, Lead and Copper Rule, Public Notice, Total Trihalomethanes (TTHMs) |
| Aug 7, 2005 | Texas | Compliance order with a penalty | 13 violations (13 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5) |
What the violations mean
Interim Enhanced Surface Water Treatment Rule
27 incidentsThe system did not meet a filtration or treatment requirement for surface water
Inadequate treatment of surface water can let pathogens such as Cryptosporidium and Giardia through
Total Trihalomethanes (TTHMs)
11 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Haloacetic Acids (HAA5)
6 incidentsHaloacetic acid byproducts exceeded the federal limit
Long-term exposure to HAAs may increase cancer risk
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Chlorine dioxide
1 incidentChlorine dioxide levels were above the federal maximum residual disinfectant level.
The utility had to notify customers about this violation.
Where the water comes from
City of Rio Hondo draws water from 2 surface water intakes.
Annual water quality report
City of Rio Hondo must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Texas.
Certified drinking water labs by state EPA guidance for private wells