Massachusetts Tap Water Quality

Explore tap water quality data for counties across Massachusetts. View water system reports, track violations, monitor drinking water safety, and check fluoridation status in your community.

Counties

305

With water systems

Population

10,006,243

Served by water systems

Water Systems

524

Total water systems

Violators

1

Systems with serious violations

Searching by your address yields the most accurate results. Searching by town or water system may not show all systems due to how the EPA categorizes data. Some towns may be listed under counties, and water system boundaries don't always align with town boundaries.

Filter Results

Massachusetts Counties

Abington

Population: 33,152

Water Systems: 1

Acton

Population: 20,875

Water Systems: 2

Acushnet

Population: 8,424

Water Systems: 3

Adams

Population: 7,835

Water Systems: 1

Agawam

Population: 28,692

Water Systems: 1

Amesbury

Population: 17,366

Water Systems: 1

Amherst

Population: 39,263

Water Systems: 1

Andover

Population: 36,569

Water Systems: 1

Arlington

Population: 46,308

Water Systems: 1

Ashburnham

Population: 15,074

Water Systems: 2

Ashfield

Population: 400

Water Systems: 1

Ashland

Population: 18,832

Water Systems: 1

Athol

Population: 10,453

Water Systems: 2

Attleboro

Population: 46,461

Water Systems: 1

Auburn

Population: 14,527

Water Systems: 2

Avon

Population: 4,777

Water Systems: 1

Ayer

Population: 14,979

Water Systems: 2

Barnstable

Population: 95,338

Water Systems: 4

Barre

Population: 4,212

Water Systems: 2

Bedford

Population: 85,786

Water Systems: 4

Belchertown

Population: 3,835

Water Systems: 5

Bellingham

Population: 16,993

Water Systems: 1

Belmont

Population: 25,211

Water Systems: 1

Berlin

Population: 2,052

Water Systems: 7

Bernardston

Population: 1,462

Water Systems: 1

Beverly

Population: 137,791

Water Systems: 2

Billerica

Population: 42,119

Water Systems: 1

Blackstone

Population: 9,302

Water Systems: 1

Blandford

Population: 442

Water Systems: 1

Bolton

Population: 385

Water Systems: 4

Boston

Population: 3,335,647

Water Systems: 2

Bourne

Population: 35,604

Water Systems: 5

Boxborough

Population: 2,357

Water Systems: 9

Boxford

Population: 308

Water Systems: 3

Boylston

Population: 3,305

Water Systems: 1

Braintree

Population: 39,168

Water Systems: 2

Brewster

Population: 35,000

Water Systems: 1

Bridgewater

Population: 31,435

Water Systems: 2

Brimfield

Population: 197

Water Systems: 2

Brockton

Population: 105,643

Water Systems: 1

Brookfield

Population: 1,609

Water Systems: 4

Brookline

Population: 63,191

Water Systems: 1

Burlington

Population: 26,581

Water Systems: 1

Cambridge

Population: 118,403

Water Systems: 1

Canton

Population: 22,453

Water Systems: 1

Carlisle

Population: 136

Water Systems: 3

Carver

Population: 2,397

Water Systems: 9

Charlemont

Population: 66

Water Systems: 2

Charlton

Population: 177

Water Systems: 3

Chatham

Population: 30,000

Water Systems: 1

Chelmsford

Population: 38,991

Water Systems: 3

Chelsea

Population: 40,787

Water Systems: 1

Cheshire

Population: 1,987

Water Systems: 3

Chester

Population: 750

Water Systems: 1

Chicopee

Population: 55,560

Water Systems: 1

Chilmark

Population: 841

Water Systems: 1

Clarksburg

Population: 180

Water Systems: 1

Clinton

Population: 15,428

Water Systems: 1

Cohasset

Population: 7,554

Water Systems: 1

Colrain

Population: 225

Water Systems: 2

Concord

Population: 18,156

Water Systems: 1

Cummington

Population: 404

Water Systems: 2

Dalton

Population: 6,330

Water Systems: 1

Danvers

Population: 27,910

Water Systems: 1

Dartmouth

Population: 24,630

Water Systems: 1

Dedham

Population: 41,630

Water Systems: 1

Deerfield

Population: 5,570

Water Systems: 4

Dennis

Population: 65,000

Water Systems: 1

Dighton

Population: 112,196

Water Systems: 3

Douglas

Population: 4,400

Water Systems: 1

Dover

Population: 2,181

Water Systems: 5

Dracut

Population: 27,361

Water Systems: 2

Dudley

Population: 5,515

Water Systems: 1

Dunstable

Population: 333

Water Systems: 1

Duxbury

Population: 16,445

Water Systems: 1

East Bridgewater

Population: 14,526

Water Systems: 1

East Brookfield

Population: 1,526

Water Systems: 1

East Longmeadow

Population: 16,224

Water Systems: 1

Eastham

Population: 6,199

Water Systems: 1

Easthampton

Population: 16,211

Water Systems: 1

Easton

Population: 23,112

Water Systems: 1

Edgartown

Population: 8,027

Water Systems: 1

Egremont

Population: 1,000

Water Systems: 1

Erving

Population: 561

Water Systems: 1

Essex

Population: 3,200

Water Systems: 1

Everett

Population: 49,350

Water Systems: 1

Fairhaven

Population: 14,470

Water Systems: 1

Fall River

Population: 94,000

Water Systems: 1

Falmouth

Population: 103,551

Water Systems: 2

Fitchburg

Population: 41,946

Water Systems: 1

Foxborough

Population: 18,383

Water Systems: 1

Framingham

Population: 72,362

Water Systems: 1

Franklin

Population: 32,832

Water Systems: 1

Freetown

Population: 1,600

Water Systems: 1

Gardner

Population: 21,287

Water Systems: 1

Georgetown

Population: 8,766

Water Systems: 1

Gill

Population: 1,091

Water Systems: 2

Gloucester

Population: 37,440

Water Systems: 1

Goshen

Population: 25

Water Systems: 1

Gosnold

Population: 425

Water Systems: 1

Grafton

Population: 14,261

Water Systems: 4

Granby

Population: 727

Water Systems: 6

Granville

Population: 70

Water Systems: 1

Great Barrington

Population: 6,266

Water Systems: 3

Greenfield

Population: 17,645

Water Systems: 1

Groton

Population: 6,945

Water Systems: 4

Groveland

Population: 6,400

Water Systems: 1

Hadley

Population: 4,979

Water Systems: 1

Halifax

Population: 7,545

Water Systems: 1

Hamilton

Population: 7,390

Water Systems: 1

Hampden

Population: 285

Water Systems: 4

Hancock

Population: 1,160

Water Systems: 2

Hanover

Population: 14,893

Water Systems: 1

Hanson

Population: 9,488

Water Systems: 1

Hardwick

Population: 1,769

Water Systems: 4

Harvard

Population: 1,966

Water Systems: 7

Harwich

Population: 39,144

Water Systems: 1

Hatfield

Population: 3,065

Water Systems: 1

Haverhill

Population: 61,896

Water Systems: 1

Hingham

Population: 45,723

Water Systems: 2

Hinsdale

Population: 2,090

Water Systems: 4

Holbrook

Population: 11,405

Water Systems: 1

Holden

Population: 17,626

Water Systems: 1

Holliston

Population: 15,547

Water Systems: 1

Holyoke

Population: 40,124

Water Systems: 1

Hopedale

Population: 6,017

Water Systems: 1

Hopkinton

Population: 12,878

Water Systems: 6

Hubbardston

Population: 120

Water Systems: 3

Hudson

Population: 19,063

Water Systems: 1

Huntington

Population: 2,180

Water Systems: 1

Ipswich

Population: 13,809

Water Systems: 1

Kingston

Population: 14,700

Water Systems: 1

Lakeville

Population: 416

Water Systems: 2

Lancaster

Population: 6,120

Water Systems: 2

Lanesborough

Population: 2,349

Water Systems: 2

Lawrence

Population: 80,162

Water Systems: 1

Lee

Population: 5,693

Water Systems: 2

Leicester

Population: 8,536

Water Systems: 4

Lenox

Population: 9,800

Water Systems: 1

Leominster

Population: 41,683

Water Systems: 1

Lexington

Population: 34,074

Water Systems: 1

Lincoln

Population: 8,660

Water Systems: 2

Littleton

Population: 9,645

Water Systems: 1

Longmeadow

Population: 15,853

Water Systems: 1

Lowell

Population: 113,600

Water Systems: 1

Lunenburg

Population: 7,145

Water Systems: 1

Lynn

Population: 101,253

Water Systems: 1

Lynnfield

Population: 13,223

Water Systems: 2

Malden

Population: 66,263

Water Systems: 1

Manchester

Population: 5,307

Water Systems: 1

Mansfield

Population: 23,189

Water Systems: 1

Marblehead

Population: 20,441

Water Systems: 1

Marion

Population: 6,285

Water Systems: 1

Marlborough

Population: 41,799

Water Systems: 1

Marshfield

Population: 34,000

Water Systems: 1

Mashpee

Population: 37,256

Water Systems: 3

Mattapoisett

Population: 37,285

Water Systems: 2

Maynard

Population: 10,746

Water Systems: 1

Medfield

Population: 12,465

Water Systems: 1

Medway

Population: 9,654

Water Systems: 1

Melrose

Population: 29,155

Water Systems: 1

Mendon

Population: 501

Water Systems: 2

Merrimac

Population: 7,053

Water Systems: 1

Methuen

Population: 53,059

Water Systems: 1

Middleborough

Population: 16,990

Water Systems: 2

Middleton

Population: 7,228

Water Systems: 1

Milford

Population: 30,379

Water Systems: 1

Millbury

Population: 9,447

Water Systems: 2

Millis

Population: 9,040

Water Systems: 1

Milton

Population: 28,630

Water Systems: 1

Monroe

Population: 55

Water Systems: 1

Monson

Population: 4,202

Water Systems: 1

Montague

Population: 8,530

Water Systems: 2

Monterey

Population: 242

Water Systems: 2

Nahant

Population: 3,334

Water Systems: 1

Nantucket

Population: 30,703

Water Systems: 2

Natick

Population: 37,006

Water Systems: 1

Needham

Population: 33,390

Water Systems: 1

New Bedford

Population: 101,079

Water Systems: 1

New Marlborough

Population: 230

Water Systems: 2

Newbury

Population: 2,228

Water Systems: 1

Newburyport

Population: 20,335

Water Systems: 1

Newton

Population: 88,923

Water Systems: 1

Norfolk

Population: 9,802

Water Systems: 2

North Adams

Population: 13,000

Water Systems: 1

North Andover

Population: 30,915

Water Systems: 1

Serious Violator

North Attleborough

Population: 29,146

Water Systems: 2

North Brookfield

Population: 3,880

Water Systems: 1

North Reading

Population: 15,554

Water Systems: 1

Northampton

Population: 29,691

Water Systems: 2

Northborough

Population: 13,524

Water Systems: 1

Northbridge

Population: 15,710

Water Systems: 2

Northfield

Population: 1,456

Water Systems: 2

Norton

Population: 19,161

Water Systems: 1

Norwell

Population: 11,495

Water Systems: 1

Norwood

Population: 29,207

Water Systems: 1

Oak Bluffs

Population: 24,000

Water Systems: 1

Orange

Population: 6,492

Water Systems: 1

Orleans

Population: 18,921

Water Systems: 1

Oxford

Population: 6,482

Water Systems: 5

Palmer

Population: 10,959

Water Systems: 5

Paxton

Population: 4,300

Water Systems: 1

Peabody

Population: 54,481

Water Systems: 1

Pembroke

Population: 18,328

Water Systems: 1

Pepperell

Population: 9,180

Water Systems: 1

Pittsfield

Population: 43,927

Water Systems: 1

Plainville

Population: 8,894

Water Systems: 1

Plymouth

Population: 57,536

Water Systems: 7

Plympton

Population: 40

Water Systems: 1

Provincetown

Population: 22,250

Water Systems: 1

Quincy

Population: 101,636

Water Systems: 1

Randolph

Population: 80,129

Water Systems: 2

Raynham

Population: 14,280

Water Systems: 2

Reading

Population: 26,912

Water Systems: 1

Rehoboth

Population: 364

Water Systems: 2

Revere

Population: 62,186

Water Systems: 1

Richmond

Population: 38

Water Systems: 1

Rockport

Population: 10,000

Water Systems: 1

Rowley

Population: 6,283

Water Systems: 1

Royalston

Population: 275

Water Systems: 1

Russell

Population: 1,228

Water Systems: 1

Rutland

Population: 6,204

Water Systems: 2

Salem

Population: 45,380

Water Systems: 2

Salisbury

Population: 20,000

Water Systems: 1

Sandisfield

Population: 100

Water Systems: 1

Sandwich

Population: 79,250

Water Systems: 2

Saugus

Population: 25,826

Water Systems: 1

Scituate

Population: 19,760

Water Systems: 1

Seekonk

Population: 14,478

Water Systems: 1

Sharon

Population: 17,802

Water Systems: 1

Sheffield

Population: 1,458

Water Systems: 2

Shelburne

Population: 1,836

Water Systems: 2

Sherborn

Population: 165

Water Systems: 3

Shirley

Population: 7,738

Water Systems: 3

Shrewsbury

Population: 38,325

Water Systems: 1

Somerset

Population: 18,303

Water Systems: 1

Somerville

Population: 81,045

Water Systems: 1

South Hadley

Population: 21,000

Water Systems: 2

Southampton

Population: 4,902

Water Systems: 1

Southborough

Population: 10,609

Water Systems: 1

Southbridge

Population: 18,448

Water Systems: 1

Southwick

Population: 7,663

Water Systems: 1

Spencer

Population: 7,082

Water Systems: 2

Springfield

Population: 168,346

Water Systems: 1

Sterling

Population: 6,814

Water Systems: 1

Stockbridge

Population: 3,100

Water Systems: 4

Stoneham

Population: 23,244

Water Systems: 1

Stoughton

Population: 29,331

Water Systems: 2

Stow

Population: 1,239

Water Systems: 8

Sturbridge

Population: 4,946

Water Systems: 3

Sudbury

Population: 18,416

Water Systems: 1

Sunderland

Population: 3,688

Water Systems: 3

Sutton

Population: 3,249

Water Systems: 2

Swampscott

Population: 15,175

Water Systems: 1

Swansea

Population: 17,144

Water Systems: 1

Taunton

Population: 62,165

Water Systems: 1

Templeton

Population: 6,152

Water Systems: 1

Tewksbury

Population: 33,842

Water Systems: 2

Tisbury

Population: 6,198

Water Systems: 3

Topsfield

Population: 5,435

Water Systems: 1

Townsend

Population: 6,500

Water Systems: 1

Truro

Population: 80

Water Systems: 1

Tyngsborough

Population: 4,592

Water Systems: 6

Upton

Population: 4,473

Water Systems: 3

Uxbridge

Population: 11,391

Water Systems: 1

Wakefield

Population: 27,090

Water Systems: 1

Wales

Population: 105

Water Systems: 2

Walpole

Population: 26,383

Water Systems: 1

Waltham

Population: 65,218

Water Systems: 1

Ware

Population: 7,441

Water Systems: 2

Wareham

Population: 26,720

Water Systems: 2

Warren

Population: 3,374

Water Systems: 3

Watertown

Population: 35,329

Water Systems: 1

Wayland

Population: 13,196

Water Systems: 1

Webster

Population: 17,776

Water Systems: 1

Wellesley

Population: 32,550

Water Systems: 2

Wellfleet

Population: 1,283

Water Systems: 5

Wenham

Population: 3,942

Water Systems: 1

West Boylston

Population: 7,058

Water Systems: 1

West Bridgewater

Population: 7,668

Water Systems: 1

West Brookfield

Population: 2,527

Water Systems: 2

West Newbury

Population: 3,077

Water Systems: 1

West Springfield

Population: 28,835

Water Systems: 1

West Stockbridge

Population: 535

Water Systems: 1

Westborough

Population: 21,567

Water Systems: 1

Westfield

Population: 42,500

Water Systems: 2

Westford

Population: 18,172

Water Systems: 2

Westminster

Population: 3,939

Water Systems: 3

Weston

Population: 10,479

Water Systems: 1

Westport

Population: 615

Water Systems: 4

Weymouth

Population: 57,720

Water Systems: 2

Whately

Population: 900

Water Systems: 1

Whitman

Population: 14,474

Water Systems: 1

Wilbraham

Population: 8,533

Water Systems: 1

Williamsburg

Population: 2,558

Water Systems: 1

Williamstown

Population: 7,601

Water Systems: 4

Wilmington

Population: 22,898

Water Systems: 1

Winchendon

Population: 5,706

Water Systems: 1

Winchester

Population: 22,970

Water Systems: 1

Winthrop

Population: 19,316

Water Systems: 1

Woburn

Population: 40,876

Water Systems: 1

Worcester

Population: 206,518

Water Systems: 1

Worthington

Population: 565

Water Systems: 1

Wrentham

Population: 11,886

Water Systems: 3

Yarmouth

Population: 38,900

Water Systems: 1