Public water system · MA3163000
ActiveLynn Water and Sewer Comm
At a glance
Lynn Water and Sewer Comm (PWSID MA3163000) is an active community water system in Essex County, Massachusetts. It reports serving 101,253 people through 19,623 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 11 violations for this system; 5 are health-based, and the most recent began in October 1996.
This page covers its drinking water system only; sewer and wastewater service are not part of EPA's drinking water records.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
101,253
Service connections
19,623
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Lynn Water and Sewer Comm compare with other water systems in Essex County?
By EPA's size categories, Lynn Water and Sewer Comm is a very large system (more than 100,000 people). Essex County has 67 active public water systems, and Lynn Water and Sewer Comm is the largest of them by population served. Its population served is about 7.5 times the county average of 13,412 people per system, and accounts for 11% of the 898,585 people reported by systems filed under the county. Across Massachusetts, the 1,636 active systems average 6,275 people each. Nationally, the average active community water system reports serving 6,703 people, so Lynn Water and Sewer Comm is about 15 times that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Massachusetts has 531 active community water systems, 32% of the state's 1,636 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 76 Massachusetts systems (4.6%) list surface water as their primary source.
Who owns and regulates Lynn Water and Sewer Comm?
EPA lists Lynn Water and Sewer Comm as owned by a local government. The MA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 39 of the 67 active systems in Essex County (58%) are also owned by a local government.
Does Lynn Water and Sewer Comm have drinking water violations?
EPA's records list 11 violations for this system; 5 are health-based, and the most recent began in October 1996. The violations listed here began between May 1981 and October 1996. By type: 5 contaminant level above the legal limit, 5 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (5 of them). EPA lists 11 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1996-10-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1988-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 1985-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 1985-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 1985-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 1984-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 1981-10-31 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1981-08-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1981-07-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1981-06-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1981-05-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
All 11 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Lynn Water and Sewer Comm: frequently asked questions
Who runs Lynn Water and Sewer Comm?
Lynn Water and Sewer Comm (PWSID MA3163000) is a community water system owned by a local government. It is regulated by the MA state drinking water program.
How many people does Lynn Water and Sewer Comm serve?
Lynn Water and Sewer Comm reports serving 101,253 people through 19,623 service connections in Essex County, Massachusetts.
Where does Lynn Water and Sewer Comm get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Lynn Water and Sewer Comm have any drinking water violations?
EPA's records list 11 violations for this system; 5 are health-based, and the most recent began in October 1996. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Lynn Water and Sewer Comm's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 11 violations for this system; 5 are health-based, and the most recent began in October 1996. For current results, consult the system's annual water quality report, EPA ECHO, or the MA state drinking water program.
Where can I find Lynn Water and Sewer Comm's water quality report?
As a community water system, Lynn Water and Sewer Comm must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Essex County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Salem and Beverly Water Supply Board | Essex | 90,330 | Community | Surface water |
| Lawrence Water Works | Essex | 89,143 | Community | Surface water |
| Haverhill Water Dept | Essex | 61,277 | Community | Surface water |
| Peabody Water Dept. | Essex | 54,481 | Community | Surface water |
| Methuen Water Dept | Essex | 53,059 | Community | Surface water |
| Beverly Water Dept | Essex | 47,461 | Community | Purchased surface water |
Related pages
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Lynn Water and Sewer Comm, PWSID MA3163000, Massachusetts”, https://aquacensus.com/water-systems/massachusetts/lynn-water-and-sewer-comm-ma3163000 (data as of October 1, 2026).