Public water system record
Hayden Water Association
Serves North Vernon and Hayden, Jennings County, IN · 2,395 people served
Federal records show 7 health-based violations and 15 monitoring/reporting issues for Hayden Water Association in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.
System profile
- Health-based violations, last 10 years
- 7
- Resolved
- 7
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 15
Key facts
- Hayden Water Association buys its water from Jennings Water, Inc.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 92.1 µg/L, federal limit 80 µg/L (1.2 times the limit), 2017.
- Most recent formal enforcement: compliance order with a penalty by Indiana, June 2025.
- Record on file since 1994, with 14 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 702 unknown out of 1,138 service lines.
Check whether Hayden Water Association 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 | Nov 19, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Nov 19, 2024 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 89.4 µg/L, federal limit 80 µg/L (1.1 times the limit)
|
220 | Oct 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 89.5 µg/L, federal limit 80 µg/L (1.1 times the limit)
|
220 | Jul 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 92.1 µg/L, federal limit 80 µg/L (1.2 times the limit)
|
220 | Apr 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 82.5 µg/L, federal limit 80 µg/L (at or just above the limit)
|
220 | Jan 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 80.2 µg/L, federal limit 80 µg/L (at or just above 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 |
|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Jul 2, 2025 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 10, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jan 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2021 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jun 1, 2019 | Resolved |
Full record since 1994
EPA's records for Hayden Water Association go back to 1994. Before October 19, 2016 they list 14 health-based violations (5 resolved, 9 archived by EPA without a recorded fix) and 4 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2000s | 4 | 2 |
| 2010 to October 18, 2016 | 10 | 1 |
| October 19, 2016 to 2019 | 4 | 1 |
| 2020s | 2 | 14 |
Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began October 2016, Resolved.
Show all 14 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 80.2 µg/L, federal limit 80 µg/L (at or just above the limit)
|
Oct 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 85.2 µg/L, federal limit 80 µg/L (1.1 times the limit)
|
Jan 1, 2016 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 105.4 µg/L, federal limit 80 µg/L (1.3 times the limit)
|
Oct 1, 2015 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 108.7 µg/L, federal limit 80 µg/L (1.4 times the limit)
|
Jul 1, 2015 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 114.9 µg/L, federal limit 80 µg/L (1.4 times the limit)
|
Apr 1, 2015 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 117.3 µg/L, federal limit 80 µg/L (1.5 times the limit)
|
Jan 1, 2015 | Archived |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 62.2 µg/L, federal limit 60 µg/L (at or just above the limit)
|
Oct 1, 2014 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 109.2 µg/L, federal limit 80 µg/L (1.4 times the limit)
|
Oct 1, 2014 | Archived |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 61.7 µg/L, federal limit 60 µg/L (at or just above the limit)
|
Jul 1, 2014 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 100.8 µg/L, federal limit 80 µg/L (1.3 times the limit)
|
Jul 1, 2014 | Archived |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.06873 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
Jan 1, 2006 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.0964 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
Jan 1, 2006 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 115.9 µg/L, federal limit 80 µg/L (1.4 times the limit)
|
Oct 1, 2005 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.0913 mg/L, federal limit 0.06 mg/L (1.5 times the limit)
|
Oct 1, 2005 | Resolved |
Enforcement actions
Indiana regulators took 1 formal enforcement action against Hayden Water Association in 2025. The most recent was a compliance order with a penalty in June 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jun 23, 2025 | Indiana | Compliance order with a penalty | 10 violations (2 health-based): Consumer Confidence Rule, Lead and Copper Rule, Groundwater Rule |
What the violations mean
Total Trihalomethanes (TTHMs)
5 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Groundwater Rule
2 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.
Where the water comes from
Hayden Water Association buys its water from Jennings Water, Inc. It lists no wells or intakes of its own. It also has an emergency connection to North Vernon Water Department.
Buys water from
- Jennings Water, Inc. North Vernon, IN
Emergency or part-time connections to
- North Vernon Water Department North Vernon, IN
Annual water quality report
Hayden Water Association 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 Indiana.
Certified drinking water labs by state EPA guidance for private wells