Public water system record
City of Obrien
Serves O'Brien, Haskell County, TX · 87 people served
Federal records show 6 health-based violations and 14 monitoring/reporting issues for City of Obrien in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 6
- Resolved
- 6
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 14
Key facts
- City of Obrien buys its water from North Central Texas Municipal Water Auth.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.102 mg/L, federal limit 0.08 mg/L (1.3 times the limit), 2020.
- Most recent formal enforcement: compliance order with a penalty by Texas, November 2021.
- Record on file since 1979, with 28 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 71 service lines.
Check whether City of Obrien 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 |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.09 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Jan 1, 2021 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.066 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
220 | Oct 1, 2020 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.102 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
220 | Oct 1, 2020 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.092 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Jul 1, 2020 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.089 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Jan 1, 2017 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Oct 26, 2025 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
Public Notice
OTHER
|
May 1, 2025 | Resolved |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2023 | Resolved |
|
Public Notice
OTHER
|
Jun 17, 2021 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Dec 30, 2020 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Dec 30, 2020 | Resolved |
|
Public Notice
OTHER
|
Nov 27, 2020 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Sep 11, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2016 | Resolved |
|
Public Notice
OTHER
|
Dec 30, 2014 | Resolved |
|
Public Notice
OTHER
|
Jun 30, 2014 | Resolved |
Full record since 1979
EPA's records for City of Obrien go back to 1979. Before October 19, 2016 they list 28 health-based violations (23 resolved, 5 archived by EPA without a recorded fix) and 61 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 3 | 0 |
| 1990s | 2 | 4 |
| 2000s | 16 | 17 |
| 2010 to October 18, 2016 | 7 | 40 |
| October 19, 2016 to 2019 | 1 | 1 |
| 2020s | 5 | 11 |
Most recent health-based violation before October 19, 2016: Nitrate (acute), began January 2015, Resolved.
Show all 28 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Nitrate (acute)
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
Jan 1, 2015 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
Oct 1, 2014 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
Jul 1, 2014 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
Apr 1, 2014 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
Jan 1, 2014 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 14 mg/L, federal limit 10 mg/L (1.4 times the limit)
|
Oct 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2012 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 10.6 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
Jul 1, 2009 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.116 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
|
Jan 1, 2008 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.127 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
|
Oct 1, 2007 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.141 mg/L, federal limit 0.08 mg/L (1.8 times the limit)
|
Jul 1, 2007 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.159 mg/L, federal limit 0.08 mg/L (2 times the limit)
|
Apr 1, 2007 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.075 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
|
Apr 1, 2007 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.133 mg/L, federal limit 0.08 mg/L (1.7 times the limit)
|
Jan 1, 2007 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.078 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
|
Jan 1, 2007 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.137 mg/L, federal limit 0.08 mg/L (1.7 times the limit)
|
Oct 1, 2006 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.091 mg/L, federal limit 0.06 mg/L (1.5 times the limit)
|
Oct 1, 2006 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.06 mg/L (1.4 times the limit)
|
Jul 1, 2006 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.129 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
|
Jul 1, 2006 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.091 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Jul 1, 2005 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.091 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Apr 1, 2005 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.147 mg/L, federal limit 0.08 mg/L (1.8 times the limit)
|
Jan 1, 2005 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.102 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
Oct 1, 2004 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 1993 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
May 12, 1992 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Mar 16, 1979 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Mar 16, 1979 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Mar 16, 1979 | Archived |
Enforcement actions
Texas regulators took 5 formal enforcement actions against City of Obrien between 2008 and 2021. The most recent was a compliance order with a penalty in November 2021.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 16, 2021 | Texas | Compliance order with a penalty | 7 violations (4 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5) |
| Dec 19, 2014 | Texas | Compliance order (no penalty) | 6 violations (6 health-based): Nitrate |
| Oct 27, 2014 | Texas | Compliance order with a penalty | 19 violations: Consumer Confidence Rule, Chlorine, Public Notice, E. coli |
| May 24, 2012 | Texas | Compliance order with a penalty | 12 violations: E. coli, Public Notice, Chlorine, Total Coliform |
| Feb 22, 2008 | Texas | Signed compliance agreement | 11 violations (11 health-based): Total Trihalomethanes (TTHMs) |
What the violations mean
Total Trihalomethanes (TTHMs)
4 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder 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.
Haloacetic Acids (HAA5)
1 incidentHaloacetic acid byproducts exceeded the federal limit
Long-term exposure to HAAs may increase cancer risk
Where the water comes from
City of Obrien buys its water from North Central Texas Municipal Water Auth. EPA also lists 1 well, all for emergency, seasonal or other part-time use.
Buys water from
- North Central Texas Municipal Water Auth Munday, TX
Annual water quality report
City of Obrien 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.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask City of Obrien for a copy.
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