WILMINGTON WATER DEPT
PWSID: MA3342000 · Wilmington, MA · Serves 21,654 people
According to EPA Safe Drinking Water Information System (SDWIS), WILMINGTON WATER DEPT (PWSID MA3342000) in Wilmington, MA is listed as a CWS water system covering about 21,654 people. The same extract lists 5 health-based violation records spanning 1993-2022. Those 5 health-based rows for WILMINGTON WATER DEPT cover contaminants such as Revised Total Coliform Rule, Lead and Copper Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
WILMINGTON WATER DEPT has 5 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. 2 distinct EPA contaminant codes appear in this system's record, including Revised Total Coliform Rule, Lead and Copper Rule. Recorded violations span 1993–2022. 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)
- MA3342000
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Wilmington, MA
- Population Served
- 21,654
- Health Violations
- Yes (5)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Revised Total Coliform Rule | 4 | 4 |
| Lead and Copper Rule | 1 | 1 |
Violation History (5)
| Contaminant | Health | Date |
|---|---|---|
| Revised Total Coliform Rule | Yes | Sep 1, 2022 |
| Revised Total Coliform Rule | Yes | Sep 1, 2022 |
| Revised Total Coliform Rule | Yes | Sep 1, 2022 |
| Revised Total Coliform Rule | Yes | Sep 1, 2022 |
| Lead and Copper Rule | Yes | Jan 1, 1993 |
Frequently Asked Questions
What does EPA SDWIS list for WILMINGTON WATER DEPT?
How many people does WILMINGTON WATER DEPT serve?
What violations does WILMINGTON WATER DEPT have?
What contaminants have been found in WILMINGTON WATER DEPT water?
Compare beyond Massachusetts
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest WILMINGTON WATER DEPT on cumulative violation count (5) and EPA-reported population served (21,654). Violation-count peers include Jemez Pueblo, Acoma Main, OMAHA TRIBE PWS. Population peers include LINDA COUNTY WATER DISTRICT, SCARSDALE WATER DEPARTMENT, LINCOLN WATER COMMISSION.
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
WILMINGTON WATER DEPT (MA3342000) is drawn from EPA SDWIS. Nearby county systems in this extract include LOWELL REGIONAL WATER UTILITY; CAMBRIDGE WATER DEPARTMENT; NEWTON WATER DEPT. (MWRA); SOMERVILLE WATER DEPT. (MWRA). Health-based rows (5 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.