Public water system · MA1074001
ActiveSouth Deerfield Water Supply District
At a glance
South Deerfield Water Supply District (PWSID MA1074001) is an active community water system in Franklin County, Massachusetts. It reports serving 3,800 people through 1,570 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, 5 are health-based, and the most recent began in August 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,800
Service connections
1,570
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does South Deerfield Water Supply District compare with other water systems in Franklin County?
By EPA's size categories, South Deerfield Water Supply District is a medium system (3,301 to 10,000 people). Franklin County has 113 active public water systems, and South Deerfield Water Supply District is the 4th-largest of them by population served. Its population served is about 7.3 times the county average of 521 people per system, and accounts for 6.5% of the 58,894 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 South Deerfield Water Supply District is about 43% below 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 South Deerfield Water Supply District?
EPA lists South Deerfield Water Supply District 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. 40 of the 113 active systems in Franklin County (35%) are also owned by a local government.
Does South Deerfield Water Supply District have drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in August 2018. The violations listed here began between July 2011 and August 2018. By type: 4 required treatment not met, 4 monitoring and reporting, 3 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (3 of them). EPA lists 12 as resolved. 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 |
|---|---|---|---|---|
| 2018-08-23 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2018-08-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2018-07-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2018-07-01 | Public notice, recordkeeping or otherRecord Keeping · code 09 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2016-06-17 | Required treatment not metTreatment Technique No Certif. Operator · code 12 | Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400 | Yes | Resolved |
| 2015-08-18 | Required treatment not metTreatment Technique No Certif. Operator · code 12 | Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400 | Yes | Resolved |
| 2013-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2012-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2011-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Tetrachloroethylenecode 2987 | No | Resolved |
| 2011-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Resolved |
| 2011-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Resolved |
| 2011-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | 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.
South Deerfield Water Supply District: frequently asked questions
Who runs South Deerfield Water Supply District?
South Deerfield Water Supply District (PWSID MA1074001) is a community water system owned by a local government. It is regulated by the MA state drinking water program.
How many people does South Deerfield Water Supply District serve?
South Deerfield Water Supply District reports serving 3,800 people through 1,570 service connections in Franklin County, Massachusetts.
Where does South Deerfield Water Supply District 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 South Deerfield Water Supply District have any drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in August 2018. 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 South Deerfield Water Supply District'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, 5 are health-based, and the most recent began in August 2018. For current results, consult the system's annual water quality report, EPA ECHO, or the MA state drinking water program.
Where can I find South Deerfield Water Supply District's water quality report?
As a community water system, South Deerfield Water Supply District 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 Franklin County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Greenfield Water Department | Franklin | 17,768 | Community | Surface water |
| Turners Falls Water Dept | Franklin | 8,080 | Community | Groundwater |
| Orange Water Dept | Franklin | 6,526 | Community | Purchased surface water |
| Sunderland Water District | Franklin | 3,190 | Community | Groundwater |
| Shelburne Falls Fire District | Franklin | 1,806 | Community | Groundwater |
| Bernardston Fire Water Dist | Franklin | 1,471 | Community | Groundwater |
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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, “South Deerfield Water Supply District, PWSID MA1074001, Massachusetts”, https://aquacensus.com/water-systems/massachusetts/south-deerfield-water-supply-district-ma1074001 (data as of October 1, 2026).