Public water system record
Clarence Water System
Serves Clarence, Natchitoches Parish, LA · 642 people served
Federal records show 15 health-based violations and 14 monitoring/reporting issues for Clarence Water System in the last ten years. The most serious issue in this window was a Surface Water Treatment Rule violation that EPA lists as archived, not resolved.
System profile
- Health-based violations, last 10 years
- 15
- Resolved
- 2
- Unresolved
- 0
- Archived by EPA
- 13
- Any acute record
- No
- Monitoring issues, last 10 years
- 14
Key facts
- Clarence Water System buys its water from Natchitoches Water System.
- Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.066 mg/L, federal limit 0.06 mg/L (1.1 times the limit), 2021.
- Most recent formal enforcement: compliance order (no penalty) by Louisiana, February 2022.
- Record on file since 1991, with 12 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 210 unknown out of 210 service lines.
Check whether Clarence Water System 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 |
|---|---|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Nov 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Sep 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Aug 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Jun 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | May 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Apr 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Dec 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Nov 1, 2024 |
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 |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Oct 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Sep 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
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, 2021 | 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
|
Dec 18, 2025 | Active |
|
Public Notice
OTHER
|
Nov 19, 2025 | Active |
|
Public Notice
OTHER
|
Oct 1, 2025 | Active |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Jul 2, 2025 | Active |
|
Public Notice
OTHER
|
Apr 11, 2022 | Active |
|
Public Notice
OTHER
|
Feb 4, 2022 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2019 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
|
Public Notice
OTHER
|
Apr 18, 2017 | Active |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2016 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Chloramine
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
Full record since 1991
EPA's records for Clarence Water System go back to 1991. Before October 19, 2016 they list 12 health-based violations (6 resolved, 6 archived by EPA without a recorded fix) and 18 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 2 | 1 |
| 2000s | 5 | 12 |
| 2010 to October 18, 2016 | 5 | 5 |
| October 19, 2016 to 2019 | 0 | 5 |
| 2020s | 15 | 8 |
Most recent health-based violation before October 19, 2016: Haloacetic Acids (HAA5), began January 2016, Resolved.
Show all 12 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 68 µg/L, federal limit 60 µg/L (1.1 times the limit)
|
Jan 1, 2016 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 69 µg/L, federal limit 60 µg/L (1.2 times the limit)
|
Oct 1, 2015 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 62 µg/L, federal limit 60 µg/L (at or just above the limit)
|
Jul 1, 2015 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 83 µg/L, federal limit 80 µg/L (at or just above the limit)
|
Jul 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2006 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2006 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2004 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2004 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Sep 15, 1996 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 1991 | Archived |
Enforcement actions
Louisiana regulators and EPA took 3 formal enforcement actions against Clarence Water System between 2000 and 2022. The most recent was a compliance order (no penalty) in February 2022.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Feb 25, 2022 | Louisiana | Compliance order (no penalty) | 10 violations (5 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5), Consumer Confidence Rule, Lead and Copper Rule |
| Oct 28, 2014 | Louisiana | Compliance order (no penalty) | 13 violations (3 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5), Total Coliform |
| May 16, 2000 | EPA | Compliance order (no penalty) | 1 violation: Consumer Confidence Rule |
What the violations mean
Surface Water Treatment Rule
13 incidentsThe system did not complete a treatment step or action that the Surface Water Treatment Rule requires (a treatment technique violation).
The utility had to notify customers about each of these violations.
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
Clarence Water System buys its water from Natchitoches Water System. It lists no wells or intakes of its own.
Buys water from
- Natchitoches Water System Natchitoches, LA
Annual water quality report
Clarence Water System 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