Public water system record
Union Parish Waterworks District 1
Serves an area of Union Parish, LA · 1,626 people served
Federal records show 38 health-based violations and 43 monitoring/reporting issues for Union Parish Waterworks District 1 in the last ten years, including an unresolved Groundwater Rule violation.
System profile
Source water
Groundwater
ZIP
71241
EPA system ID
LA1111015
- Health-based violations, last 10 years
- 38
- Resolved
- 21
- Unresolved
- 8
- Archived by EPA
- 9
- Any acute record
- No
- Monitoring issues, last 10 years
- 43
Key facts
- Union Parish Waterworks District 1 draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 337 µg/L, federal limit 80 µg/L (4.2 times the limit), 2016.
- Most recent formal enforcement: compliance order (no penalty) by Louisiana, December 2020.
- Record on file since 1993, with 19 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 550 service lines.
Check whether Union Parish Waterworks District 1 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 |
|---|---|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.127 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
|
220 | Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.122 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
|
220 | Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.128 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
|
220 | Apr 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.118 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
|
220 | Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.107 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
220 | Oct 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Aug 10, 2024 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.107 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
220 | Jul 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.093 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Apr 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
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, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Oct 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Groundwater Rule
Treatment technique failure
|
140 | Jan 27, 2023 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Jan 27, 2023 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Jan 27, 2023 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Jan 27, 2023 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Jan 27, 2023 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Jan 27, 2023 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Jan 27, 2023 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Apr 27, 2020 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.109 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
|
220 | Apr 1, 2020 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.126 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
|
220 | Jan 1, 2020 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.122 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
|
220 | Oct 1, 2019 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.104 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
220 | Jul 1, 2019 | 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, 2018 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Oct 1, 2018 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Oct 1, 2018 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Oct 1, 2018 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Oct 1, 2018 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Oct 1, 2018 |
Active
Enforcement action in place
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 139 µg/L, federal limit 80 µg/L (1.7 times the limit)
|
220 | Jul 1, 2018 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 167 µg/L, federal limit 80 µg/L (2.1 times the limit)
|
220 | Apr 1, 2018 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 118 µg/L, federal limit 80 µg/L (1.5 times the limit)
|
220 | Jan 1, 2018 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 174 µg/L, federal limit 80 µg/L (2.2 times the limit)
|
220 | Oct 1, 2017 | Resolved | No |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Sep 6, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 177 µg/L, federal limit 80 µg/L (2.2 times the limit)
|
220 | Jul 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 248 µg/L, federal limit 80 µg/L (3.1 times the limit)
|
220 | Apr 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 288 µg/L, federal limit 80 µg/L (3.6 times the limit)
|
220 | Jan 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 337 µg/L, federal limit 80 µg/L (4.2 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 |
|---|---|---|
|
Public Notice
OTHER
|
Oct 18, 2025 | Active |
|
Public Notice
OTHER
|
Jul 19, 2025 | Active |
|
Public Notice
OTHER
|
Apr 29, 2025 | Active |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
Public Notice
OTHER
|
Mar 27, 2024 | Resolved |
|
Public Notice
OTHER
|
Jan 27, 2024 | Resolved |
|
Public Notice
OTHER
|
Mar 7, 2023 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Nov 30, 2022 | Resolved |
|
Public Notice
OTHER
|
Jul 17, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Feb 13, 2020 | Resolved |
|
Public Notice
OTHER
|
Jan 22, 2020 |
Active
Enforcement action in place
|
|
Public Notice
OTHER
|
Oct 23, 2019 |
Active
Enforcement action in place
|
|
Public Notice
OTHER
|
Mar 2, 2019 | Resolved |
|
Public Notice
OTHER
|
Dec 30, 2018 | Resolved |
|
Public Notice
OTHER
|
Oct 20, 2018 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Aug 1, 2018 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Public Notice
OTHER
|
Mar 11, 2018 | Resolved |
|
Public Notice
OTHER
|
Feb 3, 2018 |
Active
Enforcement action in place
|
|
Public Notice
OTHER
|
Jan 25, 2018 | Resolved |
|
Public Notice
OTHER
|
Nov 28, 2017 |
Active
Enforcement action in place
|
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2017 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 31, 2017 |
Active
Enforcement action in place
|
|
Public Notice
OTHER
|
Oct 12, 2017 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2017 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2017 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 31, 2017 |
Active
Enforcement action in place
|
|
Chlorine
Monitoring and reporting
|
Jul 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
May 1, 2017 |
Active
Enforcement action in place
|
|
Public Notice
OTHER
|
Mar 4, 2017 | Resolved |
|
Public Notice
OTHER
|
Dec 16, 2016 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 31, 2016 |
Active
Enforcement action in place
|
|
Public Notice
OTHER
|
Oct 15, 2016 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Sep 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Sep 1, 2016 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 31, 2016 |
Active
Enforcement action in place
|
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 31, 2016 |
Active
Enforcement action in place
|
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
May 1, 2015 |
Active
Enforcement action in place
|
|
Stage 2 Disinfection Byproducts Rule
Monitoring and reporting
|
Apr 1, 2008 | Resolved |
Full record since 1993
EPA's records for Union Parish Waterworks District 1 go back to 1993. Before October 19, 2016 they list 19 health-based violations (15 resolved, 4 archived by EPA without a recorded fix) and 83 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 4 | 1 |
| 2000s | 6 | 8 |
| 2010 to October 18, 2016 | 9 | 74 |
| October 19, 2016 to 2019 | 16 | 24 |
| 2020s | 21 | 11 |
Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began October 2016, Resolved.
Show all 19 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 337 µg/L, federal limit 80 µg/L (4.2 times the limit)
|
Oct 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 337 µg/L, federal limit 80 µg/L (4.2 times the limit)
|
Jul 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 275 µg/L, federal limit 80 µg/L (3.4 times the limit)
|
Apr 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 180 µg/L, federal limit 80 µg/L (2.3 times the limit)
|
Jul 1, 2015 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 142 µg/L, federal limit 80 µg/L (1.8 times the limit)
|
Apr 1, 2015 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 246 µg/L, federal limit 80 µg/L (3.1 times the limit)
|
Jan 1, 2015 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 145 µg/L, federal limit 80 µg/L (1.8 times the limit)
|
Jan 1, 2014 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 96 µg/L, federal limit 80 µg/L (1.2 times the limit)
|
Oct 1, 2013 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 206 µg/L, federal limit 80 µg/L (2.6 times the limit)
|
Oct 1, 2011 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 241 µg/L, federal limit 80 µg/L (3 times the limit)
|
Oct 1, 2007 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 243 µg/L, federal limit 80 µg/L (3 times the limit)
|
Jul 1, 2007 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 208 µg/L, federal limit 80 µg/L (2.6 times the limit)
|
Apr 1, 2007 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 195 µg/L, federal limit 80 µg/L (2.4 times the limit)
|
Jan 1, 2007 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 184 µg/L, federal limit 80 µg/L (2.3 times the limit)
|
Oct 1, 2006 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 184 µg/L, federal limit 80 µg/L (2.3 times the limit)
|
Jul 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1997 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1997 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 1994 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1993 | Archived |
Enforcement actions
Louisiana regulators and EPA took 6 formal enforcement actions against Union Parish Waterworks District 1 between 2000 and 2020. The most recent was a compliance order (no penalty) in December 2020.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Dec 4, 2020 | Louisiana | Compliance order (no penalty) | 58 violations (17 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5), Chlorine, Groundwater Rule, Lead and Copper Rule |
| Feb 5, 2015 | Louisiana | Compliance order (no penalty) | 113 violations (22 health-based): Lead and Copper Rule, Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5), Public Notice, Total Coliform |
| Jun 4, 2013 | EPA | Compliance order (no penalty) | 37 violations (1 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5) |
| Aug 5, 2008 | Louisiana | Compliance order (no penalty) | 38 violations (7 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs), Public Notice |
| Sep 29, 2003 | Louisiana | Compliance order (no penalty) | 1 violation: Consumer Confidence Rule |
| May 16, 2000 | EPA | Compliance order (no penalty) | 1 violation: Consumer Confidence Rule |
What the violations mean
Total Trihalomethanes (TTHMs)
22 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Groundwater Rule
13 incidentsThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about each of these violations.
Revised Total Coliform Rule
2 incidentsThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
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.
Where the water comes from
Union Parish Waterworks District 1 draws water from 2 wells (1 of them for emergency, seasonal or other part-time use). It also has emergency connections to Farmerville Water System and Wards Chapel Water System. 1 other public water system has an emergency connection to Union Parish Waterworks District 1.
Emergency or part-time connections to
- Farmerville Water System Farmerville, LA
- Wards Chapel Water System Farmerville, LA
Annual water quality report
Union Parish Waterworks District 1 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 Louisiana.
Certified drinking water labs by state EPA guidance for private wells