Public water system · MA3009000
ActiveAndover Water Dept
At a glance
Andover Water Dept (PWSID MA3009000) is an active community water system in Essex County, Massachusetts. It reports serving 36,569 people through 10,110 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in January 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
36,569
Service connections
10,110
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Andover Water Dept compare with other water systems in Essex County?
By EPA's size categories, Andover Water Dept is a large system (10,001 to 100,000 people). Essex County has 67 active public water systems. Its population served is about 173% above the county average of 13,412 people per system, and accounts for 4.1% 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 Andover Water Dept is about 5.5 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 Andover Water Dept?
EPA lists Andover Water Dept 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 Andover Water Dept have drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in January 2022. The violations listed here began between January 2009 and January 2022. By type: 2 required treatment not met and 1 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 1 as archived, 1 as addressed and 1 as resolved. 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. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2022-01-01 | Required treatment not metWQP Entry Point/Tap Treatment Technique Non-Compliance · code 59 | Lead and Copper Rulecode 5000 | Yes | Archived |
| 2021-11-01 | Required treatment not metLead Service Line Replacement (LSLR) · code 64 | Lead and Copper Rulecode 5000 | Yes | Addressed |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 3 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.
Andover Water Dept: frequently asked questions
Who runs Andover Water Dept?
Andover Water Dept (PWSID MA3009000) is a community water system owned by a local government. It is regulated by the MA state drinking water program.
How many people does Andover Water Dept serve?
Andover Water Dept reports serving 36,569 people through 10,110 service connections in Essex County, Massachusetts.
Where does Andover Water Dept 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 Andover Water Dept have any drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in January 2022. 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 Andover Water Dept'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 3 violations for this system; 2 are health-based, and the most recent began in January 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the MA state drinking water program.
Where can I find Andover Water Dept's water quality report?
As a community water system, Andover Water Dept 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 |
| 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 |
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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, “Andover Water Dept, PWSID MA3009000, Massachusetts”, https://aquacensus.com/water-systems/massachusetts/andover-water-dept-ma3009000 (data as of October 1, 2026).