CHELSEA WATER DEPT. (MWRA)
PWSID: MA3057000 · Chelsea, MA · Serves 40,787 people
According to EPA Safe Drinking Water Information System (SDWIS), CHELSEA WATER DEPT. (MWRA) (PWSID MA3057000) in Chelsea, MA is listed as a CWS water system covering about 40,787 people. The same extract lists 7 health-based violation records spanning 1992-2010. Those 7 health-based rows for CHELSEA WATER DEPT. (MWRA) cover contaminants such as Lead and Copper Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
CHELSEA WATER DEPT. (MWRA) has 7 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 1 distinct EPA contaminant code appears in this system's record, including Lead and Copper Rule. Recorded violations span 1992–2010. Day-to-day primacy enforcement for this system runs through the Massachusetts drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Massachusetts state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- MA3057000
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Chelsea, MA
- Population Served
- 40,787
- Health Violations
- Yes (7)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Lead and Copper Rule | 7 | 7 |
Violation History (7)
| Contaminant | Health | Date |
|---|---|---|
| Lead and Copper Rule | Yes | Jan 1, 2010 |
| Lead and Copper Rule | Yes | Jan 1, 2007 |
| Lead and Copper Rule | Yes | Jan 1, 1999 |
| Lead and Copper Rule | Yes | Jan 1, 1997 |
| Lead and Copper Rule | Yes | Jan 1, 1994 |
| Lead and Copper Rule | Yes | Jan 1, 1993 |
| Lead and Copper Rule | Yes | Jan 1, 1992 |
Frequently Asked Questions
What does EPA SDWIS list for CHELSEA WATER DEPT. (MWRA)?
How many people does CHELSEA WATER DEPT. (MWRA) serve?
What violations does CHELSEA WATER DEPT. (MWRA) have?
What contaminants have been found in CHELSEA WATER DEPT. (MWRA) water?
Compare beyond Massachusetts
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest CHELSEA WATER DEPT. (MWRA) on cumulative violation count (7) and EPA-reported population served (40,787). Violation-count peers include SANTEE UTILITY COMMISSION, CHEFORNAK WATER SYSTEM, LYNN WATER WORKS. Population peers include SOQUEL CREEK WATER DISTRICT, SAGINAW CHARTER TOWNSHIP, BAY COUNTY WATER SYSTEM.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
CHELSEA WATER DEPT. (MWRA) (MA3057000) is drawn from EPA SDWIS. Nearby county systems in this extract include MWRA; BOSTON WATER AND SEWER COMMISSION (MWRA); REVERE WATER DIVISION (MWRA); WINTHROP WATER DIVISION, (MWRA). Health-based rows (7 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.