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Idaho Tap Water Quality

EPA water quality data for 150 community water systems serving 213,552+ people in Idaho. Click any system to see violations, lead testing results, and a safety grade.

COEUR D ALENE CITY OF COEUR D ALENE, ID · 54,115 people · Groundwater POST FALLS CITY OF POST FALLS, ID · 20,285 people · Groundwater SANDPOINT PUBLIC WORKS DEPT SANDPOINT, ID · 12,284 people · Surface Water EAST GREENACRES IRRIGATION DIST POST FALLS, ID · 11,165 people · Groundwater RATHDRUM CITY OF RATHDRUM, ID · 10,358 people · Groundwater HAYDEN LAKE IRRIGATION DIST HAYDEN, ID · 9,375 people · Groundwater ROSS POINT WATER DIST POST FALLS, ID · 8,965 people · Groundwater AVONDALE IRRIGATION DIST HAYDEN, ID · 8,785 people · Groundwater ST MARIES CITY OF ST MARIES, ID · 4,173 people · Surface Water HILLSIDE SERVICE AREA RATHDRUM, ID · 4,140 people · Groundwater RIMROCK SERVICE AREA RATHDRUM, ID · 3,493 people · Groundwater BONNERS FERRY CITY OF BONNERS FERRY, ID · 3,367 people · Surface Water SPIRIT LAKE CITY OF SPIRIT LAKE, ID · 2,825 people · Groundwater DALTON WATER ASSN INC DALTON GARDENS, ID · 2,598 people · Groundwater THREE MILE WATER DIST BONNERS FERRY, ID · 2,458 people · Groundwater E SHOSHONE COUNTY WATER DIST WALLACE WALLACE, ID · 2,388 people · Surface Water CABINET MOUNTAINS WATER DIST BONNERS FERRY, ID · 2,335 people · Groundwater PRIEST RIVER CITY OF PRIEST RIVER, ID · 2,173 people · Surface Water TWIN LAKES SERVICE AREA RATHDRUM, ID · 2,023 people · Groundwater HAUSER LAKE WATER ASSN INC HAUSER, ID · 1,575 people · Groundwater ODEN WATER ASSN INC SANDPOINT, ID · 1,524 people · Surface Water BAYVIEW WATER AND SEWER DIST BAYVIEW, ID · 1,320 people · Groundwater HAYDEN PINES GROUSE MEADOWS RATHDRUM, ID · 1,188 people · Groundwater MOYIE SPRINGS CITY OF MOYIE SPRINGS, ID · 1,123 people · Groundwater REMINGTON REC WATER DIST ATHOL, ID · 1,104 people · Groundwater PLUMMER CITY OF PLUMMER, ID · 1,034 people · Groundwater BLACK ROCK UTILITIES INC HAYDEN, ID · 1,014 people · Groundwater ATHOL CITY OF ATHOL, ID · 990 people · Groundwater GREENFERRY WATER & SEWER DISTRICT HAYDEN, ID · 978 people · Groundwater SCHWEITZER BASIN WATER COMPANY SAGLE, ID · 955 people · Groundwater STONERIDGE UTILITIES BLANCHARD, ID · 940 people · Groundwater DOVER CITY OF DOVER, ID · 865 people · Surface Water KOOTENAI COUNTY WATER DIST 1 COEUR D'ALENE, ID · 843 people · Surface Water GEM STATE - SPIRIT LAKE EAST COEUR D'ALENE, ID · 843 people · Groundwater E SHOSHONE COUNTY WATER DIST MULLAN WALLACE, ID · 840 people · Surface Water CLARK FORK CITY OF CLARK FORK, ID · 730 people · Groundwater SAGLE VALLEY WATER DIST COEUR D'ALENE, ID · 708 people · Groundwater CATALDO WATER DIST KINGSTON, ID · 680 people · Groundwater LACLEDE WATER DIST SANDPOINT, ID · 668 people · Surface Water GEM STATE - BAR CIRCLE S RANCH COEUR D'ALENE, ID · 633 people · Groundwater SOUTHSIDE WATER AND SEWER DIST SANDPOINT, ID · 615 people · Groundwater WORLEY CITY OF WORLEY, ID · 591 people · Groundwater FERNWOOD WATER DIST FERNWOOD, ID · 580 people · Surface Water CHILCO SERVICE AREA RATHDRUM, ID · 563 people · Groundwater SYRINGA HEIGHTS WATER DIST SANDPOINT, ID · 550 people · Surface Water Purchased WEST BONNER WATER DIST 1 OLD TOWN, ID · 545 people · Groundwater BEE LINE WATER ASSN INC BONNERS FERRY, ID · 533 people · Surface Water PINE VILLA PARK AND WATER ASSN POST FALLS, ID · 500 people · Groundwater EMERALD ESTATES WATER ASSN INC COEUR D ALENE, ID · 485 people · Groundwater HOLIDAY ACRES WATER ASSN SPIRIT LAKE, ID · 480 people · Groundwater GOZZER RANCH RATHDRUM, ID · 470 people · Surface Water CAVE BAY COMMUNITY SYSTEM WORLEY, ID · 458 people · Groundwater HARRISON CITY OF PLUMMER, ID · 456 people · Groundwater PINEVIEW ESTATES WATER DIST ATHOL, ID · 450 people · Groundwater LONE MOUNTAIN ESTATES HAYDEN, ID · 448 people · Groundwater EAST HOPE WATER DEPT HOPE, ID · 445 people · Surface Water MOUNTAIN VIEW TERRACE RATHDRUM, ID · 445 people · Groundwater GEM STATE - BITTERROOT WATER COMPANY COEUR D'ALENE, ID · 428 people · Groundwater NORTHSIDE WATER USERS ASSN SANDPOINT, ID · 413 people · Surface Water Purchased GARWOOD WATER COOP HAYDEN, ID · 398 people · Groundwater LEISURE PARK COEUR D ALENE, ID · 381 people · Groundwater TROY HOFFMAN WATER CORP COEUR D'ALENE, ID · 367 people · Groundwater HUCKLEBERRY BAY WATER SYSTEM COOLIN, ID · 362 people · Groundwater HARBOR VIEW ESTATES WATER & SEWER DIST COEUR D ALENE, ID · 355 people · Surface Water MOUNTAIN SPRINGS WATER CORPORATION SAGLE, ID · 338 people · Groundwater VP, INC SANDPOINT, ID · 327 people · Groundwater TRAVEL AMERICA TRAILER PARK SANDPOINT SAGLE, ID · 318 people · Groundwater Purchased CONKLING PARK WATER ASSN WORLEY, ID · 309 people · Groundwater IDAHO CLUB SANDPOINT, ID · 300 people · Groundwater ROSE LAKE WATER ASSN CATALDO, ID · 300 people · Groundwater COLBURN WATER ASSN SANDPOINT, ID · 290 people · Surface Water ELKHORN RANCH RATHDRUM, ID · 278 people · Groundwater LOST CREEK ESTATES WATER COEUR D ALENE, ID · 277 people · Groundwater CHATEAUX WATER ASSN INC HAYDEN, ID · 275 people · Groundwater ROYAL HIGHLAND WATER SYSTEM POST FALLS, ID · 275 people · Groundwater ARROW POINT PARK COEUR D'ALENE, ID · 275 people · Surface Water Purchased COUGAR CREEK WATER ASSN COOLIN, ID · 270 people · Groundwater ALPINE MEADOWS WATER AND SEWER DIST HAYDEN LAKE, ID · 265 people · Groundwater MISSION CREEK WATER ASSN BONNERS FERRY, ID · 263 people · Groundwater HAUSER LAKE HEIGHTS POST FALLS, ID · 257 people · Groundwater SOLAR ACRES WATER ASSOCIATION, LLC HAYDEN, ID · 250 people · Groundwater PARADISE VALLEY WATER ASSN BONNERS FERRY, ID · 250 people · Surface Water SOUTHVIEW TERRACE PARK ATHOL, ID · 250 people · Groundwater OHIO MATCH ROAD WATER DIST HAYDEN, ID · 245 people · Groundwater HAYDEN HAVEN / GEM SHORES RATHDRUM, ID · 236 people · Surface Water COUGAR BAY WATER ASSOCIATION COEUR D'ALENE, ID · 230 people · Groundwater SAINT DOMINIC SCHOOL POST FALLS, ID · 228 people · Groundwater UPPER TWIN LAKES WATER COMPANY INC RATHDRUM, ID · 227 people · Groundwater TWENTY MILE CREEK WATER ASSN BONNERS FERRY, ID · 225 people · Surface Water CARLIN BAY PROPERTY OWNERS ASSOCIATION COEUR D'ALENE, ID · 220 people · Surface Water DUFORT WATER ASSOCIATION SPOKANE, WA · 216 people · Groundwater WOODLAND SHORES WATER AND SEWER ASSN COEUR D ALENE, ID · 210 people · Surface Water SYRINGA WATER AND SEWER COEUR D ALENE, ID · 203 people · Surface Water SKIN CREEK WATER ASSN BONNERS FERRY, ID · 200 people · Surface Water BLANCHARD COOP WATER ASSN BLANCHARD, ID · 180 people · Groundwater HOPE WATER SYSTEM SANDPOINT, ID · 180 people · GWUDI SOURDOUGH POINT SANDPOINT, ID · 178 people · Surface Water PRIEST LAKE WATER, LLC PRIEST LAKE, ID · 178 people · Groundwater PANHANDLE MOBILE ESTATES RATHDRUM, ID · 168 people · Groundwater SANTA WATER AND SEWER DIST FERNWOOD, ID · 160 people · Groundwater ATLAS ACRES RATHDRUM, ID · 160 people · Groundwater MCGUIRE ESTATES WATER USERS POST FALLS, ID · 158 people · Groundwater KIDD ISLAND BAY WATER USERS COEUR D ALENE, ID · 153 people · Groundwater COTTONWOOD POINT WATER ASSN ST MARIES, ID · 151 people · Groundwater HOYT BLUFF WATER ASSOCIATION RATHDRUM, ID · 151 people · Groundwater SOUTH RIVER WATER ASSN POST FALLS, ID · 150 people · Groundwater TENSED CITY OF TENSED, ID · 146 people · Groundwater SPIRIT BEND WATER ASSN ATHOL, ID · 145 people · Groundwater GEM STATE - DIAMOND BAR ESTATES COEUR D'ALENE, ID · 143 people · Groundwater GOLF CLUB ESTATES WATER INC PRIEST LAKE, ID · 140 people · Groundwater SWAN SHORES II SANDPOINT, ID · 140 people · Groundwater VALLEY GREEN RATHDRUM, ID · 135 people · Groundwater CEDAR SPRINGS COMMUNITY WATER SAGLE, ID · 130 people · Groundwater FARRAGUT VILLAGE PROPERTY ASSN INC ATHOL, ID · 130 people · Groundwater SUNNYSIDE WATER ASSN SANDPOINT, ID · 125 people · Surface Water HAYDEN ORCHARDS WATER SYSTEM RATHDRUM, ID · 122 people · Groundwater EMIDA WATER AND SEWER ASSOCIATION ST MARIES, ID · 120 people · Groundwater HIDDEN VALLEY WATER ASSN HAYDEN, ID · 120 people · Groundwater Purchased OHIO MATCH ESTATES RATHDRUM, ID · 118 people · Groundwater Purchased DIAMOND BENCHVIEW WATER CORP SANDPOINT, ID · 115 people · Groundwater PRAIRIE SCHOONER ESTATES ATHOL, ID · 115 people · Groundwater ROCKY BEACH WATER DIST SPIRIT LAKE, ID · 115 people · Groundwater AVERY WATER AND SEWER DIST AVERY, ID · 114 people · Groundwater HACKNEY WATER AND SEWER DIST ATHOL, ID · 108 people · Groundwater WATERFORD ESTATES ATHOL, ID · 108 people · Groundwater PANHANDLE VILLAGE WATER SYSTEM RATHDRUM, ID · 103 people · Groundwater SAVORY COMMUNITY LLC PORT ORCHARD, WA · 100 people · Groundwater HIGHWAY 54 WATER ASSOCIATION, INC POST FALLS, ID · 100 people · Groundwater TROW CREEK WATER ASSN BONNERS FERRY, ID · 98 people · Surface Water LAKE FOREST HOMES ASSN INC RATHDRUM, ID · 98 people · Groundwater MOUNTAIN VIEW PARK COEUR D'ALENE, ID · 97 people · Groundwater THIRD ADDITION WATER ASSN COEUR D'ALENE, ID · 97 people · Groundwater LITTLE BLACKTAIL RANCH WATER DISTRICT ATHOL, ID · 95 people · Surface Water WALKING HORSE RANCH ESTATES COEUR D ALENE, ID · 95 people · Groundwater KULLYSPELL ESTATES HOPE, ID · 92 people · Surface Water RIVER TERRACE MOBILE HOME PARK SANDPOINT, ID · 90 people · Groundwater SPIRIT LAKE INDUSTRIAL PARK WELLTON, AZ · 90 people · Groundwater PARKVIEW WATER ASSN HAYDEN, ID · 90 people · Groundwater STEPPING STONES ESTATES ATHOL, ID · 88 people · Groundwater RAMSEY ESTATES COEUR D'ALENE, ID · 88 people · Groundwater EVERGREEN TERRACE WATER ASSOCIATION ST MARIES, ID · 85 people · Groundwater SCENIC MOBILE ESTATES GARDEN CITY, ID · 85 people · Groundwater KANIKSU SHORES ESTATES SANDPOINT, ID · 82 people · Groundwater SIENNA RIDGE ESTATES ANDERSON, CA · 81 people · Groundwater MORAVIA WATER ASSN BONNERS FERRY, ID · 80 people · Groundwater MORRISON ESTATES HOMEOWNER WATER ASSN COEUR D ALENE, ID · 80 people · Groundwater CALDER WATER AND SEWER DISTRICT CALDER, ID · 80 people · Groundwater DRY ACRES WATER AND SEWER DIST RATHDRUM, ID · 75 people · Groundwater PONDEROSA MOBILE HOME PARK SAGLE, ID · 72 people · Groundwater EDELWEISS VILLAGE FIRST ADDITION PONDERAY, ID · 70 people · Surface Water Purchased