PlainWater
Counties → Massachusetts

Plymouth County, Massachusetts

Water Systems
129
Population Served
574,062
Total Violations
4,809
514 health-based
PFAS Detected
18
of 24 tested

Violation Analysis

93.0%
Systems with Violations
37.3
Avg Violations per System
10.7%
Health-Based Violations

Water Source Types

GW
40 systems (31%)
SW
10 systems (8%)

PFAS Contamination

24
Systems Tested
18
PFAS Detected
75.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Plymouth Massachusetts water systems by violation status, EPA SDWIS records.

No violations on record (2) One or more violations (48)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Brockton Water Department 105,643 110 Clean
Plymouth Water Department 46,799 37 Detected
Weir River Water System 45,339 41 Detected
Marshfield Water Department 34,000 109 Detected
Abington/Rockland Joint Wtr. Works 33,647 48 Detected
Mattapoisett River Valley W.D. 29,600 4 Clean
Bridgewater Water Department 28,633 55 Detected
Wareham Fire District 21,418 38 Clean
Scituate Water Division 19,297 94 Detected
Pembroke Water Division Dpw 18,251 42 Detected
Duxbury Water Department 16,387 22 Detected
Middleborough Water Supply 15,350 32 Detected
Hanover Water Dept 14,984 51 Detected
Whitman Water System 14,837 50 Detected
Kingston Water Department 14,712 86 Clean
East Bridgewater Water Dept 14,526 101 Detected
Norwell Water Department 11,495 27 Detected
Hanson Water Department 9,546 123 Detected
Aquarion Water Company, Pinehills 9,195 1 Detected
West Bridgewater Water Dept 7,856 110 Detected
Mattapoisett Water Department 7,685 20 Clean
Halifax Water Department 7,553 53 Detected
Marion Water Division 5,761 42 Clean
Onset Fire Districtwater Dept. 5,392 72 Detected
Plymouth South High School 2,875 124 -
McI Bridgewater 2,802 33 -
Agawam Springs Water Company 2,380 6 -
Aquarion Water Company 2,267 11 -
Freetown/Lakeville Regional School Dist. 1,991 19 -
V a Boston Healthcare System Brockton 1,500 0 -
Carver High School and Middle School 1,200 18 -
Cranberryacres Jellystone Park 1,000 27 -
Edaville Railroad 1,000 14 -
Plymouth So.elem.sch. 950 41 -
Carver Elementary School 800 83 -
New Hope Chapel 787 0 -
South Meadow Village 750 77 -
Rochester Memorial School 688 18 -
Georgios Pizza 600 59 -
Rocky Mountain Spring Water Vending 500 2 -
Dcr Myles Standish State Forest 500 23 -
Carver Dunkin Donuts 500 48 -
Indianhead Resort 500 30 -
Sandy Pond Campground 500 23 -
Harvest Farm Springs Public Water Supply 500 2 -
Cranberry Village Residents Association 414 23 -
Ericksons Ice Cream Cafe Inc 400 23 -
Ellis Haven 400 29 -
Camp Squanto, Boy Scouts of America 400 88 -
Old Colony Reg.voc.tech. High Sch. 400 15 -

Other Counties in Massachusetts

Suffolk County
8 systems · 3,456,243 served · 111 violations
Middlesex County
204 systems · 1,623,176 served · 16,575 violations
Essex County
67 systems · 908,499 served · 3,080 violations
Norfolk County
57 systems · 842,114 served · 2,645 violations
Worcester County
345 systems · 773,172 served · 23,751 violations
Bristol County
133 systems · 673,471 served · 3,611 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Plymouth County? ▼
Plymouth County has 4,809 total drinking water violations across 129 water systems, of which 514 are health-based violations. 93.0% of systems have at least one violation.
How many people get water from Plymouth County systems? ▼
Water systems in Plymouth County serve approximately 574,062 people through 129 public water systems.
Has PFAS been detected in Plymouth County water? ▼
Of 24 water systems tested for PFAS in Plymouth County, 18 had PFAS detected (75.0% detection rate).
What types of water sources supply Plymouth County? ▼
Water systems in Plymouth County use GW (40 systems), SW (10 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 10.7% of Plymouth County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.