Public water system record
Mci Shirley
Serves an area of Middlesex County and Worcester County, MA · 3,500 people served
Federal records show no health-based violations and no monitoring or reporting issues for Mci Shirley in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Mci Shirley draws water from 1 well.
- Most recent formal enforcement: compliance order (no penalty) by Massachusetts, September 2008.
- Record on file since 1991, with 8 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 69 service lines.
Check whether Mci Shirley 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.
None since October 2016, and no monitoring or reporting violations either.
Full record since 1991
EPA's records for Mci Shirley go back to 1991. Before October 19, 2016 they list 8 health-based violations (5 resolved, 3 archived by EPA without a recorded fix) and 91 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 2 | 29 |
| 2000s | 6 | 62 |
Most recent health-based violation before October 19, 2016: Total Coliform, began December 2007, Resolved.
Show all 8 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2007 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
|
Jul 1, 2006 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2004 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2003 | Archived |
|
Lead and Copper Rule
Treatment technique failure
|
Jan 1, 2003 | Resolved |
|
Lead and Copper Rule
Treatment technique failure
|
Jan 1, 1996 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jul 1, 1994 | Resolved |
Enforcement actions
Massachusetts regulators took 19 formal enforcement actions against Mci Shirley between 1994 and 2008. The most recent was a compliance order (no penalty) in September 2008.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 4, 2008 | Massachusetts | Compliance order (no penalty) | 22 violations: Carbon tetrachloride, 1,1,1-Trichloroethane, o-Dichlorobenzene, cis-1,2-Dichloroethylene, 1,2-Dichloropropane |
| Jan 29, 2008 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Dec 27, 2007 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Jun 14, 2007 | Massachusetts | Compliance order with a penalty | 3 violations (3 health-based): Lead and Copper Rule, Arsenic |
| Jul 10, 2006 | Massachusetts | Compliance order (no penalty) | 1 violation: Consumer Confidence Rule |
| Dec 30, 2005 | Massachusetts | Compliance order (no penalty) | 2 violations (1 health-based): Lead and Copper Rule, Consumer Confidence Rule |
| Oct 13, 2004 | Massachusetts | Compliance order (no penalty) | 2 violations (1 health-based): Total Coliform |
| Mar 25, 2004 | Massachusetts | Compliance order (no penalty) | 1 violation: Arsenic |
| Mar 15, 2004 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Oct 31, 2003 | Massachusetts | Compliance order (no penalty) | 2 violations: Total Coliform |
| May 21, 2003 | Massachusetts | Compliance order (no penalty) | 2 violations: Total Coliform |
| Jan 14, 2003 | Massachusetts | Compliance order (no penalty) | 31 violations: Arsenic, Nitrate, 1,2,4-Trichlorobenzene, Xylenes, Total, DICHLOROMETHANE |
| Dec 27, 2001 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Lead and Copper Rule |
| Dec 28, 2000 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Lead and Copper Rule |
| Dec 19, 2000 | Massachusetts | Compliance order (no penalty) | 1 violation: Total Coliform |
| Mar 10, 2000 | Massachusetts | Compliance order (no penalty) | 1 violation: Total Coliform |
| Sep 30, 1998 | Massachusetts | Compliance order (no penalty) | 1 violation: Total Coliform |
| Oct 18, 1995 | Massachusetts | Compliance order (no penalty) | 21 violations: 1,2,4-Trichlorobenzene, Vinyl chloride, 1,1-Dichloroethylene, trans-1,2-Dichloroethylene, 1,2-Dichloroethane |
| Oct 7, 1994 | Massachusetts | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
Where the water comes from
Mci Shirley draws water from 1 well. It also buys water from Devens Massdevelopment. 1 other community water system buys water from Mci Shirley.
Buys water from
- Devens Massdevelopment Devens, MA
Community systems that buy water from it
- Shirley Water District Shirley, MA
Annual water quality report
Mci Shirley 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 Massachusetts.
Certified drinking water labs by state EPA guidance for private wells