Public water system · MA4244001
ActiveRandolph/Holbrook Joint Water Board
At a glance
Randolph/Holbrook Joint Water Board (PWSID MA4244001) is an active community water system in Norfolk County, Massachusetts. It reports serving 46,519 people through 2 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in March 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
46,519
Service connections
2
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Randolph/Holbrook Joint Water Board compare with other water systems in Norfolk County?
By EPA's size categories, Randolph/Holbrook Joint Water Board is a large system (10,001 to 100,000 people). Norfolk County has 58 active public water systems, and Randolph/Holbrook Joint Water Board is the 4th-largest of them by population served. Its population served is about 3.2 times the county average of 14,602 people per system, and accounts for 5.5% of the 846,897 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 Randolph/Holbrook Joint Water Board is about 6.9 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 Randolph/Holbrook Joint Water Board?
EPA lists Randolph/Holbrook Joint Water Board 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. 30 of the 58 active systems in Norfolk County (52%) are also owned by a local government.
Does Randolph/Holbrook Joint Water Board have drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in March 2021. The violations listed here began between February 2008 and March 2021. By type: 5 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (6 of them). EPA lists 5 as archived 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. 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 |
|---|---|---|---|---|
| 2021-03-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Archived |
| 2021-02-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Archived |
| 2021-01-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Archived |
| 2020-12-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Archived |
| 2020-11-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Archived |
| 2008-02-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
All 6 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.
Randolph/Holbrook Joint Water Board: frequently asked questions
Who runs Randolph/Holbrook Joint Water Board?
Randolph/Holbrook Joint Water Board (PWSID MA4244001) is a community water system owned by a local government. It is regulated by the MA state drinking water program.
How many people does Randolph/Holbrook Joint Water Board serve?
Randolph/Holbrook Joint Water Board reports serving 46,519 people through 2 service connections in Norfolk County, Massachusetts.
Where does Randolph/Holbrook Joint Water Board 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 Randolph/Holbrook Joint Water Board have any drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in March 2021. 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 Randolph/Holbrook Joint Water Board'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 6 violations for this system; 1 is health-based, and the most recent began in March 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the MA state drinking water program.
Where can I find Randolph/Holbrook Joint Water Board's water quality report?
As a community water system, Randolph/Holbrook Joint Water Board 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 Norfolk County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Quincy Water Dept. (MWRA) | Norfolk | 106,000 | Community | Purchased surface water |
| Brookline Water and Sewer Division | Norfolk | 63,191 | Community | Purchased surface water |
| Weymouth Water Department | Norfolk | 57,871 | Community | Surface water |
| Dedham Westwood Water Dist. | Norfolk | 41,630 | Community | Purchased surface water |
| Braintree Water and Sewer Dept. | Norfolk | 39,143 | Community | Surface water |
| Bluedrop Water @ St Bernadette Church | Norfolk | 35,114 | Transient non-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, “Randolph/Holbrook Joint Water Board, PWSID MA4244001, Massachusetts”, https://aquacensus.com/water-systems/massachusetts/randolph-holbrook-joint-water-board-ma4244001 (data as of October 1, 2026).