Public water system · MA3184000
ActiveMiddleton Water Dept.
At a glance
Middleton Water Dept. (PWSID MA3184000) is an active community water system in Essex County, Massachusetts. It reports serving 7,291 people through 1,972 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 8 violations for this system; none is health-based, and the most recent began in June 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
7,291
Service connections
1,972
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Middleton Water Dept. compare with other water systems in Essex County?
By EPA's size categories, Middleton Water Dept. is a medium system (3,301 to 10,000 people). Essex County has 67 active public water systems. Its population served is about half of the county average of 13,412 people per system, and accounts for 0.8% 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 Middleton Water Dept. is roughly in line with 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 126 Massachusetts systems (7.7%) list purchased surface water as their primary source.
Who owns and regulates Middleton Water Dept.?
EPA lists Middleton 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 Middleton Water Dept. have drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in June 2024. The violations listed here began between June 2009 and June 2024. By type: 6 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule (4 of them). EPA lists 4 as addressed and 4 as resolved. 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 |
|---|---|---|---|---|
| 2024-06-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Addressed |
| 2024-06-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Addressed |
| 2024-06-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Addressed |
| 2021-06-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Addressed |
| 2014-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2011-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2010-12-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 8 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.
Middleton Water Dept.: frequently asked questions
Who runs Middleton Water Dept.?
Middleton Water Dept. (PWSID MA3184000) is a community water system owned by a local government. It is regulated by the MA state drinking water program.
How many people does Middleton Water Dept. serve?
Middleton Water Dept. reports serving 7,291 people through 1,972 service connections in Essex County, Massachusetts.
Where does Middleton Water Dept. get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Middleton Water Dept. have any drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in June 2024. 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 Middleton 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 8 violations for this system; none is health-based, and the most recent began in June 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the MA state drinking water program.
Where can I find Middleton Water Dept.'s water quality report?
As a community water system, Middleton 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, “Middleton Water Dept., PWSID MA3184000, Massachusetts”, https://aquacensus.com/water-systems/massachusetts/middleton-water-dept-ma3184000 (data as of October 1, 2026).