Public water system record
Old Union Public Water Authority
Serves an area of Union County, AR · 1,200 people served
Federal records show 3 health-based violations and 16 monitoring/reporting issues for Old Union Public Water Authority in the last ten years. The most serious issue in this window was a Revised Total Coliform Rule violation that EPA lists as archived, not resolved.
System profile
- Health-based violations, last 10 years
- 3
- Resolved
- 2
- Unresolved
- 0
- Archived by EPA
- 1
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 16
Key facts
- Old Union Public Water Authority draws water from 1 well.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 95 µg/L, federal limit 80 µg/L (1.2 times the limit), 2019.
- Most recent formal enforcement: administrative penalty by Arkansas, December 2022.
- Record on file since 2006, with 8 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 445 unknown out of 445 service lines.
Check whether Old Union Public Water Authority 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 |
|---|---|---|---|---|
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Oct 1, 2022 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
Yes |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 95 µg/L, federal limit 80 µg/L (1.2 times the limit)
|
220 | Jan 1, 2019 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 82 µg/L, federal limit 80 µg/L (at or just above the limit)
|
220 | Apr 1, 2018 | 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
|
Apr 1, 2023 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Feb 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Jan 1, 2023 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jan 1, 2023 | Active |
|
Revised Total Coliform Rule
RPT
|
Oct 1, 2022 |
Active
Enforcement action in place
|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Resolved |
|
Public Notice
OTHER
|
May 1, 2022 | Resolved |
|
Public Notice
OTHER
|
Mar 1, 2022 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Feb 1, 2022 |
Active
Enforcement action in place
|
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2022 |
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, 2022 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Oct 1, 2021 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Feb 1, 2021 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jan 1, 2021 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jun 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Sep 1, 2018 | Resolved |
Full record since 2006
EPA's records for Old Union Public Water Authority go back to 2006. Before October 19, 2016 they list 8 health-based violations (8 resolved) and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 1 | 0 |
| 2010 to October 18, 2016 | 7 | 1 |
| October 19, 2016 to 2019 | 2 | 1 |
| 2020s | 1 | 15 |
Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began July 2016, Resolved.
Show all 8 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 86 µg/L, federal limit 80 µg/L (1.1 times the limit)
|
Jul 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 83 µg/L, federal limit 80 µg/L (at or just above the limit)
|
Jul 1, 2014 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 85 µg/L, federal limit 80 µg/L (1.1 times the limit)
|
Jul 1, 2013 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 102 µg/L, federal limit 80 µg/L (1.3 times the limit)
|
Apr 1, 2013 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 92 µg/L, federal limit 80 µg/L (1.2 times the limit)
|
Jan 1, 2013 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 82 µg/L, federal limit 80 µg/L (at or just above the limit)
|
Oct 1, 2012 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 81 µg/L, federal limit 80 µg/L (at or just above the limit)
|
Jul 1, 2011 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Jan 1, 2006 | Resolved |
Enforcement actions
Arkansas regulators took 5 formal enforcement actions against Old Union Public Water Authority between 2013 and 2022. The most recent was an administrative penalty in December 2022.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Dec 21, 2022 | Arkansas | Administrative penalty | 12 violations (1 health-based): Revised Total Coliform Rule, Public Notice, Lead and Copper Rule, Consumer Confidence Rule |
| Aug 12, 2022 | Arkansas | Administrative penalty | 8 violations: Revised Total Coliform Rule, Public Notice, Lead and Copper Rule |
| Apr 22, 2022 | Arkansas | Compliance order (no penalty) | 6 violations: Revised Total Coliform Rule, Lead and Copper Rule |
| May 7, 2019 | Arkansas | Compliance order (no penalty) | 3 violations (2 health-based): Total Trihalomethanes (TTHMs), Public Notice |
| Aug 13, 2013 | Arkansas | Compliance order (no penalty) | 3 violations (3 health-based): Total Trihalomethanes (TTHMs) |
What the violations mean
Total Trihalomethanes (TTHMs)
2 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Revised Total Coliform Rule
1 incidentThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Where the water comes from
Old Union Public Water Authority draws water from 1 well. It also buys water from El Dorado Waterworks.
Buys water from
- El Dorado Waterworks El Dorado, AR
Annual water quality report
Old Union Public Water Authority 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 Arkansas.
Certified drinking water labs by state EPA guidance for private wells