PlainWater
Counties → Rhode Island

Washington County, Rhode Island

Water Systems
188
Population Served
192,066
Total Violations
12,743
3,300 health-based
PFAS Detected
7
of 10 tested

Violation Analysis

94.7%
Systems with Violations
67.8
Avg Violations per System
25.9%
Health-Based Violations

Water Source Types

GW
49 systems (26%)
SW
1 system (1%)

PFAS Contamination

10
Systems Tested
7
PFAS Detected
70.0%
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

Washington Rhode Island water systems by violation status, EPA SDWIS records.

No violations on record (0) One or more violations (50)

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
Westerly Water Department 35,298 344 Detected
North Kingstown Town Of 27,732 321 Detected
Veolia Water Wakefield Rhode Island Inc 22,347 86 Clean
University of Rhode Island 19,354 198 Detected
Quonset Business Park 13,000 259 Detected
Block Island Water Company 9,999 378 Clean
Narragansett Water System-Point Judith 8,210 115 Clean
South Kingstown-South Shore 6,170 108 Detected
Narragansett Water Dept-North End 4,432 130 Detected
Kingston Water District 3,968 317 Detected
Burlingame Reservation-Main Camp-Legiont 3,024 88 -
Richmond, Town Of 2,671 145 -
Rhode Island Welcome Center 2,000 11 -
Chariho Regional Middle School 1,500 10 -
Chariho Regional High School 1,300 27 -
Yawgoog Scout Reservation 1,200 54 -
Harborside Inn, Inc. 1,000 24 -
Tds Realty Holdings - An0 1,000 36 -
Wawaloam RV LLC Dba Wawaloam Campground 750 91 -
South Kingstown-Middlebridge 694 38 -
Metcalf Elementary School 687 27 -
Whispering Pines Campground 600 24 -
Ashaway Pines RV Resort LLC 520 15 -
Downey Weaver Post #34 American Legion 500 5 -
Allies Donuts, Inc. 500 59 -
Corner Deli, The 500 34 -
Central Beach Fire District 470 146 -
Spring House Hotel -Island Entertainment 450 25 -
Frontier Camper Park Inc 438 60 -
Block Island Airport Operations 400 47 -
Pinecrest Golf Course, Inc. 400 5 -
Long Cove Marina & Campground 375 19 -
Charlestown Elementary School 350 18 -
Meadow Brook Inn, Ltd. 350 35 -
Burlingame Park-Prosser Beach-Picnic An0 305 21 -
YMCA Camp Fuller 305 224 -
Shady Harbor Fire District 300 12 -
Quonochontaug East Beach Water Associati 300 360 -
Ashaway Elementary School 300 17 -
Charlestown Rathskeller Tavern Inc. 300 16 -
Holly Tree Camper Park, Inc. 300 20 -
Champlins Marina & Resorts, Inc. 300 74 -
Exeter Chapel 300 17 -
Shadow Woods at Deer Brook 300 120 -
Chariho Southern Baptist Church 300 35 -
Exeter Job Corps Center 300 53 -
Castle Rock Condominiums 292 48 -
Wawaloam School 290 10 -
Oak Harbor Village, LLC. 290 31 -
Kingston Hill Academy 285 5 -

Other Counties in Rhode Island

Providence County
182 systems · 642,474 served · 14,067 violations
Kent County
42 systems · 180,873 served · 2,880 violations
Newport County
47 systems · 94,584 served · 3,746 violations
Bristol County
4 systems · 49,495 served · 330 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Washington County? ▼
Washington County has 12,743 total drinking water violations across 188 water systems, of which 3,300 are health-based violations. 94.7% of systems have at least one violation.
How many people get water from Washington County systems? ▼
Water systems in Washington County serve approximately 192,066 people through 188 public water systems.
Has PFAS been detected in Washington County water? ▼
Of 10 water systems tested for PFAS in Washington County, 7 had PFAS detected (70.0% detection rate).
What types of water sources supply Washington County? ▼
Water systems in Washington County use GW (49 systems), SW (1 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. 25.9% of Washington 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.