Public water system · MA3128000
ActiveHaverhill Water Dept
At a glance
Haverhill Water Dept (PWSID MA3128000) is an active community water system in Essex County, Massachusetts. It reports serving 61,277 people through 18,040 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, none is health-based, and the most recent began in January 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
61,277
Service connections
18,040
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Haverhill Water Dept compare with other water systems in Essex County?
By EPA's size categories, Haverhill Water Dept is a large system (10,001 to 100,000 people). Essex County has 67 active public water systems, and Haverhill Water Dept is the 4th-largest of them by population served. Its population served is about 4.6 times the county average of 13,412 people per system, and accounts for 6.8% 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 Haverhill Water Dept is about 9.1 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 Haverhill Water Dept?
EPA lists Haverhill 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 Haverhill Water Dept have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2025. The violations listed here began between January 2025 and January 2025. By type: 12 monitoring and reporting. The contaminants or rules involved are Diquat, Di(2-ethylhexyl) phthalate, Alachlor (Lasso) and Carbofuran. EPA lists 12 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 |
|---|---|---|---|---|
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Diquatcode 2032 | No | Archived |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Archived |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Archived |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbofurancode 2046 | No | Archived |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlordanecode 2959 | No | Archived |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4-Dcode 2105 | No | Archived |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylene dibromide (EDB)code 2946 | No | Archived |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlor epoxidecode 2067 | No | Archived |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Pentachlorophenolcode 2326 | No | Archived |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Methoxychlorcode 2015 | No | Archived |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) adipatecode 2035 | No | Archived |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endothallcode 2033 | No | Archived |
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.
Haverhill Water Dept: frequently asked questions
Who runs Haverhill Water Dept?
Haverhill Water Dept (PWSID MA3128000) is a community water system owned by a local government. It is regulated by the MA state drinking water program.
How many people does Haverhill Water Dept serve?
Haverhill Water Dept reports serving 61,277 people through 18,040 service connections in Essex County, Massachusetts.
Where does Haverhill 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 Haverhill Water Dept have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2025. 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 Haverhill 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MA state drinking water program.
Where can I find Haverhill Water Dept's water quality report?
As a community water system, Haverhill 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 |
| 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, “Haverhill Water Dept, PWSID MA3128000, Massachusetts”, https://aquacensus.com/water-systems/massachusetts/haverhill-water-dept-ma3128000 (data as of October 1, 2026).