Public water system record
Hamler Village
Serves Hamler, Henry County, OH · 580 people served
Federal records show 23 health-based violations and 31 monitoring/reporting issues for Hamler Village in the last ten years. The most serious issue in this window was a Total Trihalomethanes (TTHMs) violation that EPA lists as archived, not resolved.
System profile
Source water
Groundwater
ZIP
43524
EPA system ID
OH3500312
- Health-based violations, last 10 years
- 23
- Resolved
- 5
- Unresolved
- 0
- Archived by EPA
- 18
- Any acute record
- No
- Monitoring issues, last 10 years
- 31
Key facts
- Hamler Village draws water from 2 wells.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.126 mg/L, federal limit 0.08 mg/L (1.6 times the limit), 2022.
- Most recent formal enforcement: compliance order (no penalty) by Ohio, December 2025.
- Record on file since 1989, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 320 service lines.
Check whether Hamler Village 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 0.089 mg/L, federal limit 0.08 mg/L (1.1 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 |
|
Lead and Copper Rule
Treatment technique failure
|
350 | 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 0.096 mg/L, federal limit 0.08 mg/L (1.2 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 |
|
Lead and Copper Rule
Treatment technique failure
|
350 | Jan 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 0.087 mg/L, federal limit 0.08 mg/L (1.1 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 |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.094 mg/L, federal limit 0.08 mg/L (1.2 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 |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.092 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 0.102 mg/L, federal limit 0.08 mg/L (1.3 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 0.104 mg/L, federal limit 0.08 mg/L (1.3 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 0.105 mg/L, federal limit 0.08 mg/L (1.3 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 |
|
Lead and Copper Rule
Treatment technique failure
|
350 | Jul 1, 2023 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.113 mg/L, federal limit 0.08 mg/L (1.4 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 |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.12 mg/L, federal limit 0.08 mg/L (1.5 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 0.122 mg/L, federal limit 0.08 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 0.12 mg/L, federal limit 0.08 mg/L (1.5 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 |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.12 mg/L, federal limit 0.08 mg/L (1.5 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 0.126 mg/L, federal limit 0.08 mg/L (1.6 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 |
|
Lead and Copper Rule
Treatment technique failure
|
350 | Jan 1, 2022 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.123 mg/L, federal limit 0.08 mg/L (1.5 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 0.121 mg/L, federal limit 0.08 mg/L (1.5 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 |
|
Lead and Copper Rule
Treatment technique failure
|
350 | Jul 1, 2018 | Resolved | No |
|
Lead and Copper Rule
Treatment technique failure
|
350 | Jul 1, 2017 | Resolved | No |
|
Lead and Copper Rule
Treatment technique failure
|
350 | Jan 1, 2017 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Nov 25, 2025 | Active |
|
Consumer Confidence Rule
OTHER
|
Aug 1, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Aug 23, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Nov 2, 2021 | Resolved |
|
Styrene
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Toluene
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Benzene
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jan 7, 2021 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Sep 14, 2018 | Resolved |
Full record since 1989
EPA's records for Hamler Village go back to 1989. Before October 19, 2016 they list no health-based violations and 53 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 1 |
| 1990s | 0 | 43 |
| 2000s | 0 | 7 |
| 2010 to October 18, 2016 | 0 | 2 |
| October 19, 2016 to 2019 | 3 | 2 |
| 2020s | 20 | 29 |
Enforcement actions
Ohio regulators took 4 formal enforcement actions against Hamler Village between 2023 and 2025. The most recent was a compliance order (no penalty) in December 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Dec 17, 2025 | Ohio | Compliance order (no penalty) | 3 violations (3 health-based): Total Trihalomethanes (TTHMs) |
| Jan 22, 2025 | Ohio | Compliance order (no penalty) | 5 violations (4 health-based): Total Trihalomethanes (TTHMs), Consumer Confidence Rule |
| Dec 19, 2023 | Ohio | Compliance order (no penalty) | 3 violations (3 health-based): Total Trihalomethanes (TTHMs) |
| Sep 19, 2023 | Ohio | Compliance order (no penalty) | 16 violations (16 health-based): Total Trihalomethanes (TTHMs) |
What the violations mean
Total Trihalomethanes (TTHMs)
16 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Lead and Copper Rule
7 incidentsThe system did not complete a treatment step or action that the Lead and Copper Rule requires (a treatment technique violation).
The utility had to notify customers about each of these violations.
Where the water comes from
Hamler Village draws water from 2 wells.
Annual water quality report
Hamler Village 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 Ohio.
Certified drinking water labs by state EPA guidance for private wells