Public water system · MA3149000
ActiveLawrence Water Works
At a glance
Lawrence Water Works (PWSID MA3149000) is an active community water system in Essex County, Massachusetts. It reports serving 89,143 people through 12,768 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in June 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
89,143
Service connections
12,768
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Lawrence Water Works compare with other water systems in Essex County?
By EPA's size categories, Lawrence Water Works is a large system (10,001 to 100,000 people). Essex County has 67 active public water systems, and Lawrence Water Works is the 3rd-largest of them by population served. Its population served is about 6.6 times the county average of 13,412 people per system, and accounts for 9.9% 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 Lawrence Water Works is about 13 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 Lawrence Water Works?
EPA lists Lawrence Water Works 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 Lawrence Water Works have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in June 2020. The violations listed here began between July 2013 and June 2020. By type: 11 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 9 as resolved, 2 as archived and 1 as addressed. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. 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. Addressed means the violation is not resolved or archived and is covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2020-06-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Addressed |
| 2019-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Archived |
| 2016-07-01 | Required treatment not metWQP Entry Point/Tap Treatment Technique Non-Compliance · code 59 | Lead and Copper Rulecode 5000 | Yes | Archived |
| 2013-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlorcode 2065 | No | Resolved |
| 2013-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Polychlorinated biphenyls (PCBs), totalcode 2383 | No | Resolved |
| 2013-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dibromo-3-chloropropane (DBCP)code 2931 | No | Resolved |
| 2013-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Lindane (gamma-BHC)code 2010 | No | Resolved |
| 2013-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dalaponcode 2031 | No | Resolved |
| 2013-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) adipatecode 2035 | No | Resolved |
| 2013-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2013-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dinosebcode 2041 | No | Resolved |
| 2013-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzo(a)pyrenecode 2306 | No | Resolved |
The 12 most recent 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.
Lawrence Water Works: frequently asked questions
Who runs Lawrence Water Works?
Lawrence Water Works (PWSID MA3149000) is a community water system owned by a local government. It is regulated by the MA state drinking water program.
How many people does Lawrence Water Works serve?
Lawrence Water Works reports serving 89,143 people through 12,768 service connections in Essex County, Massachusetts.
Where does Lawrence Water Works 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 Lawrence Water Works have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in June 2020. 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 Lawrence Water Works' 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. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in June 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the MA state drinking water program.
Where can I find Lawrence Water Works' water quality report?
As a community water system, Lawrence Water Works 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 |
|---|---|---|---|---|
| Lynn Water and Sewer Comm | Essex | 101,253 | Community | Surface water |
| Salem and Beverly Water Supply Board | Essex | 90,330 | 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 |
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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, “Lawrence Water Works, PWSID MA3149000, Massachusetts”, https://aquacensus.com/water-systems/massachusetts/lawrence-water-works-ma3149000 (data as of October 1, 2026).