Public water system record
Leominster Water Division
Serves Leominster, Worcester County, MA · 41,683 people served
Federal records show 2 health-based violations and 1 monitoring/reporting issue for Leominster Water Division in the last ten years. The most serious issue in this window was a resolved Haloacetic Acids (HAA5) 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
- Leominster Water Division draws water from 4 wells and 9 surface water intakes (2 of them for emergency, seasonal or other part-time use).
- Most recent formal enforcement: compliance order (no penalty) by Massachusetts, September 2012.
- Record on file since 1993, with 10 health-based violations before October 19, 2016.
- Lead pipe inventory: 33 lead and 761 unknown out of 12,221 service lines.
Check whether Leominster Water Division 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 |
|---|---|---|---|---|
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
|
220 | Oct 1, 2018 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
|
220 | Jul 1, 2018 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2017 | Resolved |
Full record since 1993
EPA's records for Leominster Water Division go back to 1993. Before October 19, 2016 they list 10 health-based violations (7 resolved, 3 archived by EPA without a recorded fix) and 124 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 2 | 21 |
| 2000s | 7 | 103 |
| 2010 to October 18, 2016 | 1 | 0 |
| October 19, 2016 to 2019 | 2 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began July 2012, Resolved.
Show all 10 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2008 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Jul 1, 2007 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Apr 1, 2007 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Jan 1, 2007 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Oct 1, 2006 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Oct 1, 2005 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Sep 1, 2005 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Aug 1, 1997 | Resolved |
|
Lead and Copper Rule
Treatment technique failure
|
Jan 1, 1993 | Resolved |
Enforcement actions
Massachusetts regulators took 16 formal enforcement actions against Leominster Water Division between 1996 and 2012. The most recent was a compliance order (no penalty) in September 2012.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 15, 2012 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Sep 30, 2008 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Jul 22, 2008 | Massachusetts | Compliance order (no penalty) | 1 violation: Consumer Confidence Rule |
| Nov 30, 2007 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Aug 9, 2007 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Apr 25, 2007 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Feb 12, 2007 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Jul 18, 2006 | Massachusetts | Compliance order (no penalty) | 43 violations (6 health-based): Surface Water Treatment Rule, Public Notice, Total Trihalomethanes (TTHMs) |
| Jan 30, 2006 | Massachusetts | Compliance order (no penalty) | 39 violations (2 health-based): Public Notice, Surface Water Treatment Rule |
| May 24, 2005 | Massachusetts | Compliance order (no penalty) | 4 violations: Surface Water Treatment Rule |
| Oct 12, 2004 | Massachusetts | Compliance order (no penalty) | 51 violations: HEXACHLOROBENZENE, Benzo(a)pyrene, Pentachlorophenol, 1,2,4-Trichlorobenzene, Heptachlor |
| Jan 14, 2003 | Massachusetts | Compliance order (no penalty) | 13 violations: Arsenic, Chromium (total), CYANIDE, Mercury, Nitrate |
| Aug 7, 2001 | Massachusetts | Compliance order (no penalty) | 1 violation: Consumer Confidence Rule |
| Oct 8, 1998 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Mar 31, 1997 | Massachusetts | Compliance order (no penalty) | 21 violations: 1,2-Dichloropropane, Tetrachloroethylene, CHLOROBENZENE, Benzene, Ethylbenzene |
| Nov 19, 1996 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Lead and Copper Rule |
What the violations mean
Haloacetic Acids (HAA5)
2 incidentsHaloacetic acid byproducts exceeded the federal limit
Long-term exposure to HAAs may increase cancer risk
Where the water comes from
Leominster Water Division draws water from 4 wells and 9 surface water intakes (2 of them for emergency, seasonal or other part-time use). 1 smaller public system such as schools, businesses or campgrounds buys water from Leominster Water Division.
Annual water quality report
Leominster Water Division 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