Public water system record
West Robertson Water Authority
Serves an area of Robertson County, TN that includes Adams and Cedar Hill · 5,915 people served
Federal records show 1 health-based violation and 6 monitoring/reporting issues for West Robertson Water Authority in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 6
Key facts
- West Robertson Water Authority draws water from 1 surface water intake.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.0831 mg/L, federal limit 0.08 mg/L (at or just above the limit), 2021.
- Record on file since 1995, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 1,912 service lines.
Check whether West Robertson Water Authority 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 0.0831 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Jan 1, 2021 | 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
|
Jul 1, 2025 | Resolved |
|
Public Notice
OTHER
|
Sep 11, 2021 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jan 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Public Notice
OTHER
|
Aug 26, 2017 | Active |
|
Revised Total Coliform Rule
OTHER
|
Apr 1, 2016 | Active |
Full record since 1995
EPA's records for West Robertson Water Authority go back to 1995. Before October 19, 2016 they list no health-based violations and 21 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 2 |
| 2000s | 0 | 5 |
| 2010 to October 18, 2016 | 0 | 14 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 1 | 4 |
What the violations mean
Total Trihalomethanes (TTHMs)
1 incidentDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Where the water comes from
West Robertson Water Authority draws water from 1 surface water intake.
Annual water quality report
West Robertson Water Authority 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 Tennessee.
Certified drinking water labs by state EPA guidance for private wells