Public water system record
Village of Calvin Water System
Serves Calvin, Winn Parish, LA · 591 people served
Federal records show 55 health-based violations and 83 monitoring/reporting issues for Village of Calvin Water System in the last ten years, including an unresolved Groundwater Rule violation.
System profile
Source water
Groundwater
ZIP
71410
EPA system ID
LA1127002
- Health-based violations, last 10 years
- 55
- Resolved
- 7
- Unresolved
- 1
- Archived by EPA
- 47
- Any acute record
- No
- Monitoring issues, last 10 years
- 83
Key facts
- Village of Calvin Water System draws water from 3 wells.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.457 mg/L, federal limit 0.08 mg/L (5.7 times the limit), 2022.
- Most recent formal enforcement: compliance order (no penalty) by Louisiana, October 2022.
- Record on file since 1999, with 59 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 203 service lines.
Check whether Village of Calvin 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 |
|---|---|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
140 | Sep 10, 2025 | Active | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above 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 0.094 mg/L, federal limit 0.08 mg/L (1.2 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 0.123 mg/L, federal limit 0.08 mg/L (1.5 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 |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.25 mg/L, federal limit 0.08 mg/L (3.1 times the limit)
|
220 | Jul 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 | Apr 28, 2023 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.072 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
|
220 | Apr 1, 2023 |
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 0.326 mg/L, federal limit 0.08 mg/L (4.1 times the limit)
|
220 | Apr 1, 2023 |
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 0.433 mg/L, federal limit 0.08 mg/L (5.4 times the limit)
|
220 | Jan 1, 2023 |
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 0.09 mg/L, federal limit 0.06 mg/L (1.5 times the limit)
|
220 | Jan 1, 2023 |
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 0.438 mg/L, federal limit 0.08 mg/L (5.5 times the limit)
|
220 | Oct 1, 2022 |
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 0.094 mg/L, federal limit 0.06 mg/L (1.6 times the limit)
|
220 | Oct 1, 2022 |
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 0.457 mg/L, federal limit 0.08 mg/L (5.7 times the limit)
|
220 | Jul 1, 2022 |
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 0.094 mg/L, federal limit 0.06 mg/L (1.6 times the limit)
|
220 | Jul 1, 2022 |
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 0.386 mg/L, federal limit 0.08 mg/L (4.8 times the limit)
|
220 | Apr 1, 2022 |
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 0.082 mg/L, federal limit 0.06 mg/L (1.4 times the limit)
|
220 | Apr 1, 2022 |
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 0.082 mg/L, federal limit 0.06 mg/L (1.4 times the limit)
|
220 | Jan 1, 2022 |
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 0.352 mg/L, federal limit 0.08 mg/L (4.4 times the limit)
|
220 | Jan 1, 2022 |
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 0.317 mg/L, federal limit 0.08 mg/L (4 times the limit)
|
220 | Oct 1, 2021 |
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 0.072 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
|
220 | Oct 1, 2021 |
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 0.336 mg/L, federal limit 0.08 mg/L (4.2 times the limit)
|
220 | Jul 1, 2021 |
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 0.064 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
220 | Jul 1, 2021 |
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 | May 24, 2021 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | May 24, 2021 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | May 24, 2021 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | May 24, 2021 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.377 mg/L, federal limit 0.08 mg/L (4.7 times the limit)
|
220 | Apr 1, 2021 |
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 0.398 mg/L, federal limit 0.08 mg/L (5 times the limit)
|
220 | Jan 1, 2021 |
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 0.368 mg/L, federal limit 0.08 mg/L (4.6 times the limit)
|
220 | Oct 1, 2020 |
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 0.304 mg/L, federal limit 0.08 mg/L (3.8 times the limit)
|
220 | Jul 1, 2020 |
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 0.334 mg/L, federal limit 0.08 mg/L (4.2 times the limit)
|
220 | Apr 1, 2020 |
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 0.327 mg/L, federal limit 0.08 mg/L (4.1 times the limit)
|
220 | Jan 1, 2020 |
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 0.341 mg/L, federal limit 0.08 mg/L (4.3 times the limit)
|
220 | Oct 1, 2019 |
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 0.069 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
|
220 | Oct 1, 2019 |
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 0.355 mg/L, federal limit 0.08 mg/L (4.4 times the limit)
|
220 | Jul 1, 2019 |
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 0.076 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
|
220 | Jul 1, 2019 |
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 0.362 mg/L, federal limit 0.08 mg/L (4.5 times the limit)
|
220 | Apr 1, 2019 |
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 0.073 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
|
220 | Apr 1, 2019 |
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 0.371 mg/L, federal limit 0.08 mg/L (4.6 times the limit)
|
220 | Jan 1, 2019 |
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 0.079 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
|
220 | Jan 1, 2019 |
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 0.328 mg/L, federal limit 0.08 mg/L (4.1 times the limit)
|
220 | Oct 1, 2018 |
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 0.077 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
|
220 | Oct 1, 2018 |
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 370 µg/L, federal limit 80 µg/L (4.6 times the limit)
|
220 | Jul 1, 2018 |
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 77 µg/L, federal limit 60 µg/L (1.3 times the limit)
|
220 | Jul 1, 2018 |
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 371 µg/L, federal limit 80 µg/L (4.6 times the limit)
|
220 | Apr 1, 2018 |
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 78 µg/L, federal limit 60 µg/L (1.3 times the limit)
|
220 | Apr 1, 2018 |
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 300 µg/L, federal limit 80 µg/L (3.8 times the limit)
|
220 | Jan 1, 2018 |
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 66 µg/L, federal limit 60 µg/L (1.1 times the limit)
|
220 | Jan 1, 2018 |
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 336 µg/L, federal limit 80 µg/L (4.2 times the limit)
|
220 | Oct 1, 2017 |
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 343 µg/L, federal limit 80 µg/L (4.3 times the limit)
|
220 | Jul 1, 2017 |
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 352 µg/L, federal limit 80 µg/L (4.4 times the limit)
|
220 | Apr 1, 2017 |
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 440 µg/L, federal limit 80 µg/L (5.5 times the limit)
|
220 | Jan 1, 2017 |
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 454 µg/L, federal limit 80 µg/L (5.7 times the limit)
|
220 | Oct 1, 2016 |
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 | Sep 2, 2015 | 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 17, 2025 | Active |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 17, 2023 | Resolved |
|
Public Notice
OTHER
|
Jun 7, 2023 | Active |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
May 1, 2023 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
May 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Feb 1, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 17, 2021 | Resolved |
|
Public Notice
OTHER
|
Feb 4, 2020 | Resolved |
|
Public Notice
OTHER
|
Nov 8, 2019 | Resolved |
|
Public Notice
OTHER
|
Jul 30, 2019 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2019 | Resolved |
|
Public Notice
OTHER
|
May 1, 2019 | Resolved |
|
Public Notice
OTHER
|
Jan 23, 2019 | Resolved |
|
Public Notice
OTHER
|
Oct 27, 2018 | Resolved |
|
Public Notice
OTHER
|
Jul 20, 2018 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2018 | Resolved |
|
Public Notice
OTHER
|
May 1, 2018 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Apr 1, 2018 | Resolved |
|
Public Notice
OTHER
|
Feb 3, 2018 | Resolved |
|
Public Notice
OTHER
|
Dec 13, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2017 | Resolved |
|
Public Notice
OTHER
|
Aug 11, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
|
Public Notice
OTHER
|
Jul 1, 2017 |
Active
Enforcement action in place
|
|
Lead and Copper Rule
Monitoring and reporting
|
May 10, 2017 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
May 1, 2017 | Resolved |
|
Public Notice
OTHER
|
Apr 26, 2017 | Resolved |
|
Public Notice
OTHER
|
Apr 10, 2017 |
Active
Enforcement action in place
|
|
Public Notice
OTHER
|
Mar 9, 2017 |
Active
Enforcement action in place
|
|
Public Notice
OTHER
|
Feb 11, 2017 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 31, 2017 | Resolved |
|
Public Notice
OTHER
|
Dec 16, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 31, 2016 | Resolved |
|
Public Notice
OTHER
|
Oct 18, 2016 |
Active
Enforcement action in place
|
|
Public Notice
OTHER
|
Oct 12, 2016 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2016 | Resolved |
|
Public Notice
OTHER
|
Aug 16, 2016 |
Active
Enforcement action in place
|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 31, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 31, 2016 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2016 | Resolved |
|
Public Notice
OTHER
|
Mar 19, 2016 | Resolved |
|
Public Notice
OTHER
|
Dec 9, 2015 | Resolved |
|
Public Notice
OTHER
|
Dec 9, 2015 | Resolved |
|
Public Notice
OTHER
|
Nov 24, 2015 | Resolved |
|
Public Notice
OTHER
|
Nov 13, 2015 | Resolved |
|
Public Notice
OTHER
|
Oct 30, 2015 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2015 | Resolved |
|
Public Notice
OTHER
|
Jul 17, 2015 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2015 | Resolved |
|
Public Notice
OTHER
|
Jun 10, 2015 | Resolved |
|
Public Notice
OTHER
|
May 16, 2015 | Resolved |
|
Public Notice
OTHER
|
May 16, 2015 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
May 1, 2015 | Resolved |
|
Public Notice
OTHER
|
Apr 28, 2015 | Resolved |
|
Public Notice
OTHER
|
Feb 27, 2015 | Resolved |
|
Public Notice
OTHER
|
Feb 27, 2015 | Resolved |
|
Public Notice
OTHER
|
Feb 27, 2015 | Resolved |
|
Public Notice
OTHER
|
Feb 27, 2015 | Resolved |
|
Public Notice
OTHER
|
Feb 25, 2015 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 31, 2015 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 31, 2015 | Resolved |
|
Public Notice
OTHER
|
Jan 8, 2015 | Resolved |
|
Public Notice
OTHER
|
Jan 7, 2015 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 31, 2014 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 31, 2014 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2014 | Resolved |
|
Public Notice
OTHER
|
Sep 8, 2014 | Resolved |
|
Public Notice
OTHER
|
Sep 8, 2014 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 31, 2014 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 31, 2014 | Resolved |
|
Public Notice
OTHER
|
Jul 30, 2014 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2014 | Resolved |
|
Public Notice
OTHER
|
May 23, 2014 | Resolved |
|
Public Notice
OTHER
|
May 8, 2014 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
May 1, 2014 | Resolved |
|
Public Notice
OTHER
|
Mar 15, 2014 | Resolved |
|
Public Notice
OTHER
|
Dec 8, 2013 | Resolved |
|
Public Notice
OTHER
|
Apr 20, 2013 | Resolved |
|
Public Notice
OTHER
|
Dec 2, 2012 | Resolved |
|
Public Notice
OTHER
|
Apr 29, 2012 | Resolved |
Full record since 1999
EPA's records for Village of Calvin Water System go back to 1999. Before October 19, 2016 they list 59 health-based violations (12 resolved, 47 archived by EPA without a recorded fix) and 78 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2000s | 18 | 6 |
| 2010 to October 18, 2016 | 41 | 71 |
| October 19, 2016 to 2019 | 20 | 25 |
| 2020s | 33 | 10 |
Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began October 2016, Archived.
Show all 59 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 454 µg/L, federal limit 80 µg/L (5.7 times the limit)
|
Oct 1, 2016 | Archived |
|
Revised Total Coliform Rule
Treatment technique failure
|
Jul 15, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 450 µg/L, federal limit 80 µg/L (5.6 times the limit)
|
Jul 1, 2016 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 449 µg/L, federal limit 80 µg/L (5.6 times the limit)
|
Apr 1, 2016 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 444 µg/L, federal limit 80 µg/L (5.6 times the limit)
|
Jan 1, 2016 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 410 µg/L, federal limit 80 µg/L (5.1 times the limit)
|
Oct 1, 2015 | Archived |
|
Groundwater Rule
Treatment technique failure
|
Sep 2, 2015 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 75 µg/L, federal limit 60 µg/L (1.3 times the limit)
|
Jul 1, 2015 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 422 µg/L, federal limit 80 µg/L (5.3 times the limit)
|
Jul 1, 2015 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 447 µg/L, federal limit 80 µg/L (5.6 times the limit)
|
Apr 1, 2015 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 458 µg/L, federal limit 80 µg/L (5.7 times the limit)
|
Jan 1, 2015 | Archived |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 75 µg/L, federal limit 60 µg/L (1.3 times the limit)
|
Jan 1, 2015 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 470 µg/L, federal limit 80 µg/L (5.9 times the limit)
|
Oct 1, 2014 | Archived |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 85 µg/L, federal limit 60 µg/L (1.4 times the limit)
|
Oct 1, 2014 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 447 µg/L, federal limit 80 µg/L (5.6 times the limit)
|
Jul 1, 2014 | Archived |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 74 µg/L, federal limit 60 µg/L (1.2 times the limit)
|
Jul 1, 2014 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 335 µg/L, federal limit 80 µg/L (4.2 times the limit)
|
Apr 1, 2014 | Archived |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 70 µg/L, federal limit 60 µg/L (1.2 times the limit)
|
Apr 1, 2014 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 214 µg/L, federal limit 80 µg/L (2.7 times the limit)
|
Jan 1, 2014 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 115 µg/L, federal limit 80 µg/L (1.4 times the limit)
|
Oct 1, 2013 | Archived |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 69 µg/L, federal limit 60 µg/L (1.2 times the limit)
|
Jul 1, 2013 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 199 µg/L, federal limit 80 µg/L (2.5 times the limit)
|
Jul 1, 2013 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 81 µg/L, federal limit 60 µg/L (1.4 times the limit)
|
Apr 1, 2013 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 250 µg/L, federal limit 80 µg/L (3.1 times the limit)
|
Apr 1, 2013 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 86 µg/L, federal limit 60 µg/L (1.4 times the limit)
|
Jan 1, 2013 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 255 µg/L, federal limit 80 µg/L (3.2 times the limit)
|
Jan 1, 2013 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 70 µg/L, federal limit 60 µg/L (1.2 times the limit)
|
Oct 1, 2012 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 218 µg/L, federal limit 80 µg/L (2.7 times the limit)
|
Oct 1, 2012 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 151 µg/L, federal limit 80 µg/L (1.9 times the limit)
|
Jul 1, 2012 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 124 µg/L, federal limit 80 µg/L (1.6 times the limit)
|
Apr 1, 2012 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 118 µg/L, federal limit 80 µg/L (1.5 times the limit)
|
Jan 1, 2012 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 132 µg/L, federal limit 80 µg/L (1.7 times the limit)
|
Oct 1, 2011 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 164 µg/L, federal limit 80 µg/L (2.1 times the limit)
|
Jul 1, 2011 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 163 µg/L, federal limit 80 µg/L (2 times the limit)
|
Apr 1, 2011 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 206 µg/L, federal limit 80 µg/L (2.6 times the limit)
|
Jan 1, 2011 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 133 µg/L, federal limit 80 µg/L (1.7 times the limit)
|
Oct 1, 2010 | Archived |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 61 µg/L, federal limit 60 µg/L (at or just above the limit)
|
Jul 1, 2010 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 238 µg/L, federal limit 80 µg/L (3 times the limit)
|
Jul 1, 2010 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Apr 1, 2010 | Archived |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
|
Jan 1, 2010 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Jan 1, 2010 | Archived |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
|
Oct 1, 2009 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Oct 1, 2009 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Jul 1, 2009 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.166 mg/L, federal limit 0.08 mg/L (2.1 times the limit)
|
Apr 1, 2009 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 207 µg/L, federal limit 80 µg/L (2.6 times the limit)
|
Jul 1, 2008 | Archived |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 87 µg/L, federal limit 60 µg/L (1.5 times the limit)
|
Apr 1, 2008 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 263 µg/L, federal limit 80 µg/L (3.3 times the limit)
|
Apr 1, 2008 | Archived |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 94 µg/L, federal limit 60 µg/L (1.6 times the limit)
|
Oct 1, 2007 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 320 µg/L, federal limit 80 µg/L (4 times the limit)
|
Oct 1, 2007 | Archived |
9 older violations are not listed here. EPA ECHO has the complete list.
Enforcement actions
Louisiana regulators and EPA took 8 formal enforcement actions against Village of Calvin Water System between 2002 and 2022. The most recent was a compliance order (no penalty) in October 2022.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 13, 2022 | Louisiana | Compliance order (no penalty) | 4 violations (4 health-based): Groundwater Rule |
| Sep 29, 2015 | Louisiana | Compliance order (no penalty) | 197 violations (102 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5), Public Notice, Total Coliform, Chlorine |
| Apr 17, 2015 | Louisiana | Compliance order with a penalty | 71 violations (49 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs), Chlorine |
| Dec 16, 2011 | Louisiana | Compliance order (no penalty) | 61 violations (42 health-based): Total Trihalomethanes (TTHMs), Public Notice, Haloacetic Acids (HAA5) |
| Aug 5, 2008 | Louisiana | Compliance order (no penalty) | 23 violations (21 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs) |
| Jun 2, 2008 | Louisiana | Compliance order (no penalty) | 7 violations (7 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs) |
| Aug 5, 2005 | Louisiana | Compliance order (no penalty) | 2 violations: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs) |
| Nov 12, 2002 | EPA | Compliance order (no penalty) | 1 violation: Consumer Confidence Rule |
What the violations mean
Total Trihalomethanes (TTHMs)
31 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Haloacetic Acids (HAA5)
16 incidentsHaloacetic acid byproducts exceeded the federal limit
Long-term exposure to HAAs may increase cancer risk
Groundwater Rule
7 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.
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
Village of Calvin Water System draws water from 3 wells.
Annual water quality report
Village of Calvin 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