PFAS contamination data for 5,855 water systems in Maine, serving 1,019,990 people.
ME screening level: 20 ppt for sum of 6 PFAS. Among strictest combined standards. Extensive contamination from biosolids/sludge spreading.
Maine has a unique PFAS crisis related to biosolids/sludge land application on farms. The state has set strict screening levels. New 2026 state PFAS product restriction laws taking effect.
Serious SDWA violator: CAMP SOMERSET FOR GIRLS, Smithfield, ME
PWS ID: ME0092662. County: Somerset
2026-05-11 · Read more →
Serious SDWA violator: HANCOCK LUMBER - RYEFIELD MILL, Casco, ME
PWS ID: ME0094037. County: Cumberland
2026-05-11 · Read more →
Serious SDWA violator: BATH GOLF CLUB, Bath, ME
PWS ID: ME0001539. County: Sagadahoc
2026-05-11 · Read more →
Serious SDWA violator: CAMP MED-O-LARK, Washington, ME
PWS ID: ME0000923. County: Knox
2026-05-11 · Read more →
Serious SDWA violator: CREST VIEW MANOR, Houlton, ME
PWS ID: ME0095020. County: Aroostook
2026-05-11 · Read more →
Free eligibility check — plus weekly MCL, deadline, and funding alerts for Maine.
| System | City | Population | PFOA (ppt) | PFOS (ppt) | Status |
|---|---|---|---|---|---|
| PORTLAND WATER DISTRICT-GREATER ME0091300 | PORTLAND | 135,068 | — | — | Compliant |
| MAINE WATER COMPANY BIDDEFORD SACO DIV ME0090170 | POLAND | 42,508 | — | — | Compliant |
| KENNEBUNK, KENNEBUNKPORT & WELLS WD ME0090760 | KENNEBUNK | 35,663 | — | — | Compliant |
| BANGOR WATER DISTRICT ME0090110 | BANGOR | 27,298 | — | — | Compliant |
| LEWISTON WATER & SEWER DIVISION ME0090830 | LEWISTON | 23,720 | — | — | Compliant |
| KENNEBEC WATER DISTRICT ME0090750 | WATERVILLE | 22,060 | 6.4 | — | Exceeds |
| MAINE WATER COMPANY CAMDEN & ROCKLAND ME0090300 | POLAND | 21,315 | — | — | Compliant |
| TOPSHAM |
| 18,250 |
| — |
| — |
| Compliant |
| AUBURN WATER DISTRICT ME0090070 | LISBON | 17,245 | — | — | Compliant |
| KITTERY WATER DISTRICT ME0090790 | KITTERY | 14,478 | — | — | Compliant |
| SANFORD WATER DISTRICT ME0091410 | SANFORD | 14,328 | 6.8 | 7.1 | Exceeds |
| GREATER AUGUSTA UTILITY DISTRICT ME0090080 | AUGUSTA | 13,750 | — | — | Compliant |
| YORK WATER DISTRICT ME0091680 | YORK | 13,675 | — | — | Compliant |
| BATH WATER DISTRICT ME0090130 | BATH | 9,290 | — | — | Compliant |
| GARDINER WATER DISTRICT ME0090610 | GARDINER | 9,000 | — | — | Compliant |
| BREWER WATER DEPARTMENT ME0090220 | BREWER | 8,860 | — | — | Compliant |
| BOOTHBAY REGION WATER DISTRICT ME0090200 | BOOTHBAY | 8,448 | — | — | Compliant |
| YARMOUTH WATER DISTRICT ME0091670 | YARMOUTH | 8,000 | 9.2 | — | Exceeds |
| OLD TOWN WATER DISTRICT ME0091200 | OLD TOWN | 7,648 | — | — | Compliant |
| POLAND SPRING CORPORATION PA9996217 | POLAND SPRINGS | 7,000 | — | — | Compliant |
| LISBON WATER DEPARTMENT ME0090870 | LISBON | 6,643 | 4.1 | — | Exceeds |
| PRESQUE ISLE UTILITIES DISTRICT ME0091310 | PRESQUE ISLE | 6,128 | — | — | Compliant |
| MAINE WATER COMPANY SKOWHEGAN DIVISION ME0091450 | POLAND | 6,105 | — | — | Compliant |
| ORONO-VEAZIE WATER DISTRICT ME0091210 | ORONO | 5,793 | — | — | Compliant |
| BELFAST WATER DISTRICT ME0090140 | BELFAST | 5,698 | — | — | Compliant |
| ANSON AND MADISON WATER DISTRICT ME0090930 | RICHMOND | 5,568 | — | — | Compliant |
| MAINE WATER COMPANY MILLINOCKET DIVISION ME0090990 | POLAND | 5,400 | — | — | Compliant |
| HOULTON WATER COMPANY ME0090700 | HOULTON | 4,735 | — | 4.8 | Exceeds |
| HAMPDEN WATER DISTRICT ME0090660 | HAMPDEN | 4,628 | — | — | Compliant |
| TOWN OF BAR HARBOR- WATER DIVISION ME0090120 | BAR HARBOR | 4,443 | — | — | Compliant |
| FARMINGTON VILLAGE CORP WATER DEPT ME0090540 | FARMINGTON | 4,050 | — | — | Compliant |
| RUMFORD WATER DISTRICT ME0091380 | RUMFORD | 4,050 | — | — | Compliant |
| CARIBOU UTILITIES DISTRICT ME0090320 | CARIBOU | 3,943 | — | — | Compliant |
| ELLSWORTH WATER DEPARTMENT ME0090520 | SURRY | 3,910 | — | — | Compliant |
| SOUTH BERWICK WATER DISTRICT ME0091470 | SOUTH BERWICK | 3,722 | — | — | Compliant |
| BRIDGTON WATER DISTRICT ME0090230 | BRIDGTON | 3,660 | — | — | Compliant |
| LAKE ARROWHEAD COMMUNITY INC ME0090811 | NORTH WATERBORO | 3,500 | — | — | Compliant |
| GREAT SPRING WATERS OF AMERICA PA9996283 | RUMFORD | 3,500 | — | — | Compliant |
| PITTSFIELD WATER DEPT ME0091280 | WINTERPORT | 3,228 | — | — | Compliant |
| LINCOLN WATER DISTRICT ME0090860 | LINCOLN | 3,020 | — | — | Compliant |
| LIVERMORE FALLS WATER DISTRICT ME0090880 | LIVERMORE FALLS | 2,995 | — | — | Compliant |
| PARIS UTILITY DISTRICT ME0091230 | SOUTH PARIS | 2,940 | — | — | Compliant |
| MAINE WATER COMPANY OAKLAND DIVISION ME0091190 | POLAND | 2,873 | — | — | Compliant |
| WILTON WATER DEPARTMENT ME0091620 | WILTON | 2,800 | — | — | Compliant |
| CALAIS WATER DEPT ME0090290 | WINTERPORT | 2,775 | — | — | Compliant |
| SEARSPORT WATER DISTRICT ME0091440 | SEARSPORT | 2,763 | — | — | Compliant |
| WINTHROP UTILITIES DISTRICT ME0091650 | WINTHROP | 2,750 | — | — | Compliant |
| MADAWASKA WATER DISTRICT ME0090920 | MADAWASKA | 2,738 | — | — | Compliant |
| MAINE WATER COMPANY FREEPORT DIVISION ME0090580 | POLAND | 2,700 | — | — | Compliant |
| PORTLAND WATER DIST/N. WINDHAM ME0091303 | PORTLAND | 2,505 | — | — | Compliant |
| SOUTHWEST HARBOR WATER & SEWER DISTRICT ME0091490 | SOUTHWEST HARBOR | 2,480 | — | — | Compliant |
| BERWICK WATER DEPARTMENT ME0090150 | SACO | 2,470 | — | — | Compliant |
| GRAY WATER DISTRICT ME0090620 | GRAY | 2,468 | — | — | Compliant |
| MEXICO WATER DISTRICT ME0090970 | MEXICO | 2,425 | — | — | Compliant |
| DOVER-FOXCROFT WATER DISTRICT ME0090470 | DOVER-FOXCROFT | 2,400 | — | — | Compliant |
| DEXTER UTILITY DISTRICT ME0090440 | DEXTER | 2,338 | — | — | Compliant |
| HALLOWELL WATER DISTRICT ME0090650 | HALLOWELL | 2,300 | — | — | Compliant |
| VAN BUREN WATER DISTRICT ME0091540 | VAN BUREN | 2,190 | — | — | Compliant |
| GREAT SALT BAY SANITARY DISTRICT ME0090410 | DAMARISCOTTA | 2,143 | — | — | Compliant |
| EAST MILLINOCKET WATER WORKS ME0091150 | EAST MILLINOCKET | 2,133 | — | — | Compliant |
| PASSAMAQUODDY WATER DISTRICT ME0090510 | EASTPORT | 2,125 | — | — | Compliant |
| FRYEBURG WATER COMPANY ME0090600 | POLAND | 2,085 | — | — | Compliant |
| FORT FAIRFIELD UTILITIES DISTRICT ME0090550 | FORT FAIRFIELD | 2,025 | — | — | Compliant |
| MECHANIC FALLS WATER DEPT ME0090960 | MECHANIC FALLS | 2,010 | — | — | Compliant |
| NORWAY WATER DISTRICT ME0091180 | NORWAY | 2,000 | — | — | Compliant |
| WISCASSET WATER DISTRICT ME0091660 | WISCASSET | 1,970 | — | — | Compliant |
| NEWPORT WATER DISTRICT ME0091100 | NEWPORT | 1,900 | — | — | Compliant |
| NORTH BERWICK WATER DISTRICT ME0091120 | NORTH BERWICK | 1,825 | — | — | Compliant |
| BETHEL WATER DISTRICT ME0090160 | RICHMOND | 1,813 | — | — | Compliant |
| LUBEC WATER DISTRICT ME0090900 | LUBEC | 1,775 | — | — | Compliant |
| SUGARLOAF WATER ASSOCIATION ME0091690 | CARRABASSETT VALLEY | 1,730 | — | — | Compliant |
| MILO WATER DISTRICT ME0091000 | MILO | 1,720 | — | — | Compliant |
| MAINE WATER COMPANY BUCKSPORT DIVISION ME0090280 | POLAND | 1,700 | — | — | Compliant |
| BAILEYVILLE UTILITIES DISTRICT ME0090100 | WINTERPORT | 1,688 | — | — | Compliant |
| ANSON WATER DISTRICT ME0090040 | NORTH ANSON | 1,625 | — | — | Compliant |
| MOUNT DESERT WATER DIST NORTH ME0091140 | NORTHEAST HARBOR | 1,623 | — | — | Compliant |
| FORT KENT W & W DEPARTMENT ME0090560 | FORT KENT | 1,578 | — | — | Compliant |
| SABATTUS SANITARY DISTRICT ME0091580 | SABATTUS | 1,550 | — | — | Compliant |
| GUILFORD-SANGERVILLE UTILITIES DISTRICT ME0090640 | SANGERVILLE | 1,535 | — | — | Compliant |
| MARS HILL AND BLAINE WATER COMPANY ME0090940 | MARS HILL | 1,500 | — | — | Compliant |
| BOOTHBAY REGION WATER DIST- **INACTIVE ME0090490 | BOOTHBAY | 1,450 | — | — | Compliant |
| DIXFIELD WATER & SEWER DEPT ME0090460 | DIXFIELD | 1,415 | — | — | Compliant |
| RICHMOND UTILITIES DISTRICT ME0091370 | RICHMOND | 1,390 | — | — | Compliant |
| MACHIAS WATER COMPANY ME0090910 | MACHIAS | 1,390 | — | — | Compliant |
| RANGELEY WATER DISTRICT ME0091330 | RANGELEY | 1,378 | — | — | Compliant |
| MAINE WATER COMPANY GREENVILLE DIVISION ME0090630 | POLAND | 1,335 | — | — | Compliant |
| JACKMAN UTILITY DISTRICT ME0090730 | JACKMAN | 1,125 | — | — | Compliant |
| OXFORD WATER DISTRICT ME0091220 | NORWAY | 1,100 | — | — | Compliant |
| BINGHAM WATER DISTRICT ME0090180 | RICHMOND | 1,075 | — | — | Compliant |
| WALDOBORO WATER DEPT ME0091560 | POLAND | 1,065 | — | — | Compliant |
| SEAL HARBOR WATER CO ME0091720 | SEAL HARBOR | 1,060 | — | — | Compliant |
| NORRIDGEWOCK WATER DISTRICT ME0091110 | NORRIDGEWOCK | 1,055 | — | — | Compliant |
| VINALHAVEN WATER DISTRICT ME0091550 | POLAND | 1,053 | — | — | Compliant |
| MAINE WATER COMPANY KEZAR FALLS DIVISION ME0090770 | POLAND | 1,045 | — | — | Compliant |
| HOWLAND WATER DEPARTMENT ME0090710 | HOWLAND | 1,025 | — | — | Compliant |
| CLINTON WATER DISTRICT ME0090350 | PITTSFIELD | 1,013 | — | — | Compliant |
| CASTINE WATER DEPARTMENT ME0090330 | CASTINE | 983 | — | — | Compliant |
| JAY VILLAGE WATER DISTRICT ME0090740 | JAY | 975 | — | — | Compliant |
| SOUTH FREEPORT WATER DISTRICT ME0091480 | POLAND | 960 | — | — | Compliant |
| KINGFIELD WATER DISTRICT ME0090780 | KINGFIELD | 950 | — | — | Compliant |
| MAINE WATER COMPANY HARTLAND DIVISION ME0090680 | POLAND | 910 | — | — | Compliant |
| PEQUOT HIGHLANDS MA3258001 | PORTLAND | 900 | — | — | Compliant |
| LIMESTONE WATER & SEWER DISTRICT ME0090840 | LIMESTONE | 875 | — | — | Compliant |
| MOUNT DESERT WATER DIST -SEAL ME0091420 | NORTHEAST HARBOR | 865 | — | — | Compliant |
| HARRISON WATER DISTRICT ME0090670 | HARRISON | 863 | — | — | Compliant |
| MAINE WATER COMPANY WARREN DIVISION ME0091565 | POLAND | 815 | — | — | Compliant |
| MSAD 06 BONNY EAGLE MIDDLE SCHOOL ME0000147 | BUXTON | 800 | — | — | Compliant |
| MILTON WATER DIST NH1581010 | LEBANON | 800 | — | — | Compliant |
| ALFRED WATER DISTRICT ME0090020 | ALFRED | 783 | — | — | Compliant |
| WINTERPORT WATER DISTRICT ME0091640 | WINTERPORT | 763 | — | — | Compliant |
| FRIENDLY VILLAGE OF GORHAM MHP ME0007086 | GORHAM | 763 | — | — | Compliant |
| CORNISH WATER DISTRICT ME0090380 | CORNISH | 753 | — | — | Compliant |
| GARDINER WATER DISTRICT-HAYFORD HEIGHTS ME0092421 | GARDINER | 750 | — | — | Compliant |
| NORTH HAVEN WATER DEPARTMENT ME0091130 | NORTH HAVEN | 740 | — | — | Compliant |
| BOWDOINHAM WATER DISTRICT ME0090210 | BOWDOINHAM | 738 | — | — | Compliant |
| KNIGHTS HILL ASSOCIATION ME0090800 | BRIDGTON | 718 | — | — | Compliant |
| ASHLAND WATER & SEWER DISTRICT ME0090060 | ASHLAND | 713 | — | — | Compliant |
| WINTER HARBOR WATER DISTRICT ME0091630 | WINTER HARBOR | 700 | — | — | Compliant |
| WASHBURN WATER & SEWER DISTRICT ME0091570 | WASHBURN | 688 | — | — | Compliant |
| STONINGTON WATER COMPANY ME0091510 | WINTERPORT | 683 | — | — | Compliant |
| BROWNVILLE JCT WATER DEPT ME0090240 | BROWNVILLE | 663 | — | — | Compliant |
| MT BLUE STANDARD WATER DISTRICT ME0091260 | PHILLIPS | 650 | — | — | Compliant |
| LIMERICK WATER DISTRICT ME0090850 | LIMERICK | 625 | — | — | Compliant |
| MONMOUTH WATER ASSOCIATION ME0091020 | WINTHROP | 588 | — | — | Compliant |
| EAGLE LAKE WATER & SEWER DISTRICT ME0090480 | EAGLE LAKE | 585 | — | — | Compliant |
| NORTHPORT VILLAGE CORP WATER DEPT ME0091165 | WISCASSET | 550 | — | — | Compliant |
| WEST PARIS WATER DISTRICT ME0091600 | WEST PARIS | 540 | — | — | Compliant |
| INDIAN TOWNSHIP TRIBAL WATER SYSTEM ME0090719 | PRINCETON | 535 | — | — | Compliant |
| QUEEN CITY MOBILE HOME PARK ME0001364 | BANGOR | 500 | — | — | Compliant |
| STRONG WATER DISTRICT ME0091530 | STRONG | 500 | — | — | Compliant |
| NORTH JAY WATER DISTRICT ME0091160 | JAY | 500 | — | — | Compliant |
| THE STRIP - INDIAN TOWNSHIP ME0090718 | PRINCETON | 486 | — | — | Compliant |
| PORTLAND WATER DISTRICT/STEEP FALLS ME0091302 | PORTLAND | 480 | — | — | Compliant |
| EUSTIS WATER DEPARTMENT ME0091520 | STRATTON | 475 | — | — | Compliant |
| ISLAND FALLS WATER DEPT ME0090720 | ISLAND FALLS | 475 | — | — | Compliant |
| SOLON WATER DISTRICT ME0091460 | SOLON | 475 | — | — | Compliant |
| WATERBORO WATER DISTRICT ME0092250 | BIDDEFORD | 470 | — | — | Compliant |
| MOUNTAIN VIEW CORRECTIONAL FACILITY ME0090342 | CHARLESTON | 468 | — | — | Compliant |
| FRANKLIN WATER DEPARTMENT ME0090570 | FRANKLIN | 443 | — | — | Compliant |
| BUCKFIELD VILLAGE CORPORATION ME0090270 | BUCKFIELD | 425 | — | — | Compliant |
| KEYWOOD MANOR MHP LLC ME0009644 | ALFRED | 411 | — | — | Compliant |
| MILBRIDGE WATER DISTRICT ME0090980 | MILBRIDGE | 405 | — | — | Compliant |
| LAKE ARROWHEAD COMMUNITY, INC. ME0090810 | NORTH WATERBORO | 400 | — | — | Compliant |
| CASTINE WATER DEPT.-RED SYSTEM ME0090331 | ORLAND | 400 | — | — | Compliant |
| NORTH YARMOUTH WATER SYSTEM ME0091170 | YARMOUTH | 392 | — | — | Compliant |
| TENANTS HARBOR WATER DISTRICT ME0092335 | POLAND | 378 | — | — | Compliant |
| RIVERSIDE TERRACE ME0003017 | CANAAN | 350 | — | — | Compliant |
| OXFORD PINES TRAILER PK ME0005665 | MINOT | 338 | — | — | Compliant |
| PATTEN WATER DEPT ME0091240 | PATTEN | 338 | — | — | Compliant |
| PORT CLYDE WATER DISTRICT ME0091290 | PORT CLYDE | 330 | — | — | Compliant |
| OLD MARSH CONDOMINIUM ME0092323 | KENNEBUNK | 325 | — | — | Compliant |
| MOSCOW WATER DISTRICT ME0091050 | BINGHAM | 313 | — | — | Compliant |
| LONG POND WATER DISTRICT ME0090890 | SULLIVAN | 308 | — | — | Compliant |
| COLD SPRING WATER COMPANY ME0090360 | LAMOINE | 305 | — | — | Compliant |
| BROOKDALE VILLAGE ME0009087 | POLAND | 303 | — | — | Compliant |
| QUANTABACOOK WATER DISTRICT ME0091320 | HARRINGTON | 303 | — | — | Compliant |
| CARIBOU TRAILER PARK ME0002451 | CARIBOU | 300 | — | — | Compliant |
| MAPLEWOOD MANOR ME0013215 | BRUNSWICK | 298 | — | — | Compliant |
| PINE RIDGE HUNTON BROOK ASSOCIATION ME0095585 | LEEDS | 298 | — | — | Compliant |
| MONSON UTILITIES DISTRICT ME0091030 | MONSON | 298 | — | — | Compliant |
| GRAND ISLE WATER SYSTEM ME0092285 | GRAND ISLE | 278 | — | — | Compliant |
| COLONIAL MOBILE HOME PARK ME0007736 | LEBANON | 270 | — | — | Compliant |
| ANDOVER WATER DISTRICT ME0090050 | ANDOVER | 265 | — | — | Compliant |
| OAK HILL PARK ME0003638 | SABATTUS | 260 | — | — | Compliant |
| GUILLEMETTE BROS MOBILE HOME P ME0002774 | SANFORD | 255 | — | — | Compliant |
| BROWNVILLE WATER DEPARTMENT ME0090250 | BROWNVILLE | 253 | — | — | Compliant |
| WOODLAND HILLS CONDO ASSOCIATION ME0091665 | SOUTH BERWICK | 253 | — | — | Compliant |
| NEW SHARON WATER DISTRICT ME0091080 | RICHMOND | 245 | — | — | Compliant |
| TOPSHAM MOBILE HOME PARK INC ME0003374 | TOPSHAM | 243 | — | — | Compliant |
| CANTON WATER DISTRICT ME0090310 | CANTON | 243 | — | — | Compliant |
| MAINE WATER COMPANY UNION DIVISION ME0091537 | POLAND | 238 | — | — | Compliant |
| GOODWINS LODGE/COTTAGES ME0102978 | SEBAGO | 231 | — | — | Compliant |
| FARMINGTON FALLS STD WATER DIST ME0090530 | FARMINGTON FALLS | 225 | — | — | Compliant |
| PINE CONE MOBILE HOMES CT #1 ME0007367 | HOLDEN | 218 | — | — | Compliant |
| GOLDEN GATE TRAILER PARK ME0006154 | PRESQUE ISLE | 218 | — | — | Compliant |
| CAINCREST MOBILE HOME PARK ME0004400 | YORK | 213 | — | — | Compliant |
| PINE SPRING ROADS & WATER ME0091360 | SHAPLEIGH | 210 | — | — | Compliant |
| KINNEYS MOBILE HOME COURT ME0002946 | SEARSPORT | 200 | — | — | Compliant |
| SEAL COVE WATER DIST ME0098215 | SEAL COVE | 200 | — | — | Compliant |