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New Hampshire Tap Water Quality

EPA water quality data for 150 community water systems serving 194,381+ people in New Hampshire. Click any system to see violations, lead testing results, and a safety grade.

CONCORD WATER DEPT CONCORD, NH · 44,215 people · Surface Water DOVER WATER DEPT DOVER, NH · 29,000 people · Groundwater DERRY WATER DEPT DERRY, NH · 17,210 people · Surface Water Purchased UNH/DURHAM WATER SYS DURHAM, NH · 16,000 people · Surface Water BERLIN WATER WORKS BERLIN, NH · 9,575 people · Surface Water CLAREMONT WATER DEPT CLAREMONT, NH · 9,000 people · Surface Water NORTH CONWAY WATER PCT NORTH CONWAY, NH · 5,500 people · Groundwater LOWER BARTLETT WATER PCT INTERVALE, NH · 3,800 people · Groundwater PENACOOK BOSCAWEN WATER PCT NASHUA, NH · 3,800 people · Groundwater BRISTOL WATER WORKS BRISTOL, NH · 3,575 people · Groundwater LITTLE POND ESTATES NASHUA, NH · 3,000 people · Surface Water Purchased CHARLESTOWN WATER WORKS CHARLESTOWN, NH · 2,850 people · Groundwater CONWAY WATER AND SEWER CONWAY, NH · 2,745 people · Groundwater LOCKE LAKE NASHUA, NH · 2,278 people · Surface Water ALTON WATER WORKS ALTON, NH · 1,800 people · Groundwater BETHLEHEM VILLAGE DIST BETHLEHEM, NH · 1,750 people · Surface Water BELMONT WATER DEPT NASHUA, NH · 1,612 people · Groundwater ASHLAND WATER DEPT ASHLAND, NH · 1,525 people · Groundwater DREW WOODS NASHUA, NH · 1,408 people · Surface Water Purchased ROCKINGHAM COUNTY COMPLEX BRENTWOOD, NH · 1,387 people · Groundwater COLEBROOK WATER WORKS COLEBROOK, NH · 1,300 people · Groundwater WATERVILLE ESTATE VLG DIST/W CAMPTON, NH · 1,250 people · Groundwater POWDER HILL NASHUA, NH · 1,155 people · Surface Water Purchased ROSEBROOK WATER MONROE, CT · 1,050 people · Groundwater ANTRIM SEWER AND WATER DEPT ANTRIM, NH · 920 people · Groundwater CABOT PRESERVE NASHUA, NH · 878 people · Groundwater Purchased CARROLL WATER WORKS TWIN MOUNTAIN, NH · 875 people · Groundwater BEAR VIEW CROSSING ALLENSTOWN, NH · 800 people · Groundwater Purchased BENNINGTON WATER DEPT ANTRIM, NH · 775 people · Groundwater RIVER RUN CONDOS NORTH CONWAY, NH · 750 people · Groundwater CANAAN WATER DEPT CANAAN, NH · 684 people · Surface Water ANDOVER VILLAGE DIST ANDOVER, NH · 650 people · Surface Water BARTLETT VILLAGE PCT BARTLETT, NH · 625 people · Surface Water CAMPTON VILLAGE PCT CAMPTON, NH · 600 people · Groundwater BIRCH HILL EAST NASHUA, NH · 550 people · Groundwater Purchased MAPLE HILL ACRES NASHUA, NH · 523 people · Surface Water Purchased COLBY POND ATKINSON, NH · 485 people · Groundwater ROCKHOUSE MOUNTAIN CONWAY, NH · 480 people · Groundwater PINE GARDENS MHP BELMONT, NH · 413 people · Groundwater ABENAKI WATER /LAKELAND MONROE, CT · 395 people · Groundwater COTTON FARMS MHP EAST HAMPSTEAD, NH · 390 people · Groundwater MOUNTAIN VALE VILLAGE MHP SAN FRANCISCO, CA · 388 people · Groundwater CATAMOUNT HILL CONCORD, NH · 383 people · Groundwater MALLARDS LANDING BELMONT, NH · 325 people · Groundwater NORDIC VILLAGE JACKSON, NH · 315 people · Groundwater LEDGES AT NEWFOUND LAKE GILFORD, NH · 307 people · Groundwater OAKWOOD TERRACE NASHUA, NH · 307 people · Surface Water Purchased CARDIGAN MOUNTAIN SCH CANAAN, NH · 300 people · Groundwater LINDERHOF PROP OWNR ASSN GLEN, NH · 295 people · Groundwater SOUHEGAN WOODS NASHUA, NH · 293 people · Groundwater ROPEWALK SERVICES ASHLAND, NH · 290 people · Groundwater LAKES REGION MHP COOP II BELMONT, NH · 276 people · Groundwater EAGLE RIDGE RESORT GLEN, NH · 270 people · Groundwater MERRYMEETING MHP ALTON, NH · 265 people · Groundwater VILLAGE AT RIVERBEND PLYMOUTH, NH · 258 people · Groundwater GLEN RIDGE DEV NASHUA, NH · 253 people · Groundwater EMERALD ACRES BARRINGTON, NH · 250 people · Groundwater SUNRAY SHORES WATER DIST BELMONT, NH · 250 people · Groundwater MAPLE HAVEN NASHUA, NH · 250 people · Groundwater MAPLEVALE AND CRICKET HILL ATKINSON, NH · 248 people · Groundwater VILLAGES AT CHESTER CONDOS MANCHESTER, NH · 245 people · Groundwater CONTOOCOOK RIVER COOPERATIVE DEERING, NH · 245 people · Groundwater OLDE TOWNE EPPING, NH · 243 people · Groundwater SACO WOODS CONDOS GLEN, NH · 240 people · Groundwater ABENAKI WATER/WHITE ROCK WATER MONROE, CT · 238 people · Groundwater TWO RIVERS MHCC CAMPTON, NH · 234 people · Groundwater GLENCLIFF HOME FOR THE ELDERLY GLENCLIFF, NH · 230 people · Groundwater SWAINS LAKE VILLAGE WATER BARRINGTON, NH · 227 people · Groundwater BROOKDALE SPRUCE WOOD DURHAM, NH · 225 people · Groundwater HALE ESTATES CONWAY, NH · 220 people · Groundwater ROCK RIMMON COOPERATIVE EAST HAMPSTEAD, NH · 200 people · Groundwater BARRINGTON MOBILE HOME ESTATES DOVER, NH · 198 people · Groundwater WOODLAND GROVE MOULTONBOROUGH, NH · 185 people · Groundwater MOUNTAINSIDE AT CROTCHED MTN NASHUA, NH · 180 people · Groundwater WINDY ACRES WALPOLE, NH · 180 people · Groundwater GOODRICH PROPERTY GLEN, NH · 175 people · Groundwater MOUNTAINSIDE ON ATTITASH ASSOC GLEN, NH · 167 people · Groundwater STAGECOACH FARMS DURHAM, NH · 167 people · Groundwater LEE OAK COOPERATIVE BARRINGTON, NH · 163 people · Groundwater TOP NOTCH CONDOS GLEN, NH · 163 people · Groundwater WRIGHT FARM CONDOS BOSTON, MA · 160 people · Groundwater RAND SHEPARD HILL DERRY, NH · 158 people · Groundwater REBECCA LANE WATER SYS CENTER CONWAY, NH · 155 people · Groundwater CATHEDRAL LEDGE NORTH CONWAY, NH · 153 people · Groundwater COW HILL WELLHOUSE STRATHAM, NH · 150 people · Groundwater BELMONT WATER DEPT/NORTH NASHUA, NH · 150 people · Surface Water Purchased BOW MUNICIPAL WATER SYSTEM BOW, NH · 150 people · Groundwater DEER RUN MOULTONBOROUGH, NH · 150 people · Groundwater OAK HILL ATKINSON, NH · 150 people · Groundwater HI AND LO ESTATES NASHUA, NH · 143 people · Surface Water Purchased STILLINGS GRANT BARTLETT, NH · 141 people · Groundwater ATKINSON WOODS EXETER, NH · 140 people · Groundwater CENTENNIAL ESTATES DERRY, NH · 140 people · Groundwater EAGLES REST MHP ALTON, NH · 138 people · Groundwater CATES MOBILE HOME COLONY SANBORNTON, NH · 134 people · Groundwater WHITTEMORE SHORES HILL, NH · 130 people · Groundwater ANNIE OAKLEY MHP WINDHAM, NH · 127 people · Groundwater PIPER MEADOWS PRIVATE COMMUNTY PORTSMOUTH, NH · 125 people · Groundwater MELODY PINES CONDOS INTERVALE, NH · 125 people · Groundwater IRON WHEEL MHP DANVILLE, NH · 124 people · Groundwater WILDWOOD DEV MOULTONBOROUGH, NH · 123 people · Groundwater BARRINGTON OAKS NORTHWOOD, NH · 123 people · Groundwater NORTH LEDGE CONWAY, NH · 120 people · Groundwater SOLAR VILLAGE BELMONT, NH · 120 people · Groundwater CRAWFORD HILLS ARLINGTON, MA · 118 people · Groundwater FOREST EDGE INTERVALE, NH · 118 people · Groundwater RIDGEWOOD ESTATES MANCHESTER, NH · 115 people · Groundwater PEPPERIDGE WOODS BARRINGTON, NH · 113 people · Groundwater WHITE ROCK SENIOR LIVING NASHUA, NH · 110 people · Groundwater ECHO LAKE WOODS MOULTONBOROUGH, NH · 110 people · Groundwater STONE SLED FARM NASHUA, NH · 105 people · Groundwater CEDAR CREEK PORTSMOUTH, NH · 105 people · Groundwater DREW POND DOVER, NH · 100 people · Groundwater BATH VILLAGE WATER WORKS BATH, NH · 100 people · Groundwater CHESTER BROOK CHESTER, NH · 100 people · Groundwater COMMONS OF ATKINSON BEDFORD, NH · 95 people · Groundwater MOUNTAIN VIEW PARK ESTATES LACONIA, NH · 95 people · Groundwater SPRUCE VALLEY MHP DANVILLE, NH · 92 people · Groundwater FARMSTEAD ACRES NASHUA, NH · 90 people · Groundwater LAKESIDE AT WINNIPESAUKEE LACONIA, NH · 85 people · Groundwater WATER WHEEL ESTATES ATKINSON, NH · 85 people · Groundwater NORTHBROOK MHP LACONIA, NH · 85 people · Groundwater COUNTRY LANE MANOR SALEM, NH · 85 people · Groundwater SHAKER HEIGHTS NASHUA, NH · 83 people · Groundwater EVERGREEN DRIVE WATER WEARE, NH · 80 people · Groundwater CANDIA CROSSING DERRY, NH · 80 people · Groundwater DEERBROOK CONDOS INTERVALE, NH · 80 people · Groundwater BARKLAND ACRES DERRY, NH · 80 people · Groundwater MORNINGSIDE DRIVE DERRY, NH · 80 people · Groundwater GRANITE STATE CAMPGROUND BELMONT, NH · 77 people · Groundwater RIVERSIDE COBB FARM GLEN, NH · 75 people · Groundwater COTTAGES AT WINDCHIMES CONCORD, NH · 75 people · Groundwater DAVIS HILL CENTER CONWAY, NH · 75 people · Groundwater MASCOMA VALLEY COOP CONCORD, NH · 73 people · Groundwater AUTUMN WOODS DERRY, NH · 73 people · Groundwater BARTLETT PLACE GLEN, NH · 72 people · Groundwater MILL POND CROSSING STRATHAM, NH · 72 people · Groundwater BRANDYWINE E KINGSTON, NH · 72 people · Groundwater LADD HILL MHP FREEDOM, NH · 70 people · Groundwater SOUTH PINES INTERVALE, NH · 70 people · Groundwater NORTH PINES GLEN, NH · 67 people · Groundwater COUNTRY VILLAGE MHP FREEDOM, NH · 66 people · Groundwater HILLCREST MANOR APTS NASHUA, NH · 65 people · Groundwater BEEBE RIVER CAMPTON, NH · 63 people · Groundwater SACO RIVER FOREST FREEDOM, NH · 63 people · Groundwater OAKWOOD HEIGHTS INTERVALE, NH · 63 people · Groundwater NEAR LEDGE INTERVALE, NH · 63 people · Groundwater JOHNSON CREEK DURHAM, NH · 63 people · Groundwater WELL HILL ALSTEAD, NH · 60 people · Groundwater OYSTER RIVER APTS EAST/WEST WINDHAM, NH · 60 people · Groundwater