Public water system record
Tewksbury Water Department
Serves an area of Middlesex County, MA · 31,342 people served
Federal records show 2 health-based violations and 1 monitoring/reporting issue for Tewksbury Water Department 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
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- Tewksbury Water Department draws water from 1 surface water intake.
- Most recent formal enforcement: compliance order (no penalty) by Massachusetts, February 2024.
- Record on file since 1991, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 8,244 unknown out of 11,159 service lines.
Check whether Tewksbury Water Department 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
|
220 | Oct 1, 2021 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
220 | Jul 1, 2021 | 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
Monitoring and reporting
|
Jun 1, 2023 |
Active
Enforcement action in place
|
Full record since 1991
EPA's records for Tewksbury Water Department go back to 1991. Before October 19, 2016 they list no health-based violations and 10 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 6 |
| 2000s | 0 | 2 |
| 2010 to October 18, 2016 | 0 | 2 |
| 2020s | 2 | 1 |
Enforcement actions
Massachusetts regulators took 6 formal enforcement actions against Tewksbury Water Department between 2008 and 2024. The most recent was a compliance order (no penalty) in February 2024.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Feb 7, 2024 | Massachusetts | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Dec 20, 2021 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Sep 13, 2021 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Nov 7, 2014 | Massachusetts | Compliance order (no penalty) | 2 violations: Gross Alpha, Excl. Radon and U, Radium-226 |
| Feb 24, 2009 | Massachusetts | Compliance order (no penalty) | 1 violation: Total Coliform |
| Mar 10, 2008 | Massachusetts | Compliance order (no penalty) | 1 violation: Chlorite |
What the violations mean
Total Trihalomethanes (TTHMs)
2 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Where the water comes from
Tewksbury Water Department draws water from 1 surface water intake. It also buys water from Andover Water Dept and Lowell Regional Water Utility. 1 other public water system has an emergency connection to Tewksbury Water Department.
Buys water from
- Andover Water Dept Andover, MA
- Lowell Regional Water Utility Lowell, MA
Annual water quality report
Tewksbury Water Department 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.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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 Massachusetts.
Certified drinking water labs by state EPA guidance for private wells