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Pennsylvania Tap Water Quality

EPA water quality data for 150 community water systems serving 3,816,812+ people in Pennsylvania. Click any system to see violations, lead testing results, and a safety grade.

PHILADELPHIA WATER DEPARTMENT PHILADELPHIA, PA · 1,600,000 people · Surface Water AQUA PA MAIN SYSTEM BRYN MAWR, PA · 822,600 people · Surface Water CHESTER WATER AUTHORITY CHESTER, PA · 140,437 people · Surface Water NORTH PENN WATER AUTHORITY LANSDALE, PA · 91,941 people · Surface Water Purchased PA AMERICAN NORRISTOWN NORRISTOWN, PA · 88,885 people · Surface Water NORTH WALES WATER AUTHORITY NORTH WALES, PA · 72,496 people · Surface Water LOWER BUCKS CO JOINT MUN AUTH LEVITTOWN, PA · 63,007 people · Surface Water AQUA PA BENSALEM BRYN MAWR, PA · 59,001 people · Surface Water Purchased BCWSA MAIN LOWER SOUTH WARRINGTON, PA · 52,621 people · Surface Water Purchased AQUA PA WEST CHESTER BRYN MAWR, PA · 48,600 people · Surface Water PA AMERICAN ROYERSFORD SPRING CITY, PA · 46,847 people · Surface Water WARMINSTER MUNICIPAL AUTHORITY WARMINSTER, PA · 40,000 people · Surface Water Purchased NEWTOWN ARTESIAN WATER CO NEWTOWN, PA · 38,500 people · Surface Water Purchased PA AMERICAN COATESVILLE COATESVILLE, PA · 36,960 people · Surface Water NORTHAMPTON BUCKS CO MUN AUTH RICHBORO, PA · 36,750 people · Surface Water Purchased POTTSTOWN BOROUGH WATER AUTH POTTSTOWN, PA · 36,000 people · Surface Water AQUA PA UWCHLAN BRYN MAWR, PA · 35,518 people · Surface Water Purchased PA AMERICAN WATER CO YARDLEY YARDLEY, PA · 33,171 people · Surface Water AQUA PA BRISTOL BRYN MAWR, PA · 28,727 people · Surface Water HORSHAM WATER&SEWER AUTHORITY HORSHAM, PA · 26,000 people · Surface Water Purchased FALLS TWP WATER & SEWER DEPT FAIRLESS HILLS, PA · 24,400 people · Surface Water Purchased NWWA WARRINGTON TOWNSHIP NORTH WALES, PA · 21,588 people · Surface Water Purchased AMBLER BORO WATER DEPT AMBLER, PA · 20,000 people · Surface Water PHOENIXVILLE WATER DEPT PHOENIXVILLE, PA · 16,599 people · Surface Water UPPER SOUTHAMPTON MUN AUTH SOUTHAMPTON, PA · 16,000 people · Surface Water Purchased AQUA PA SUSQUEHANNA DIVISION SAYRE, PA · 15,569 people · Groundwater PERKASIE REGIONAL AUTHORITY SELLERSVILLE, PA · 15,000 people · Groundwater WARWICK TWP WATER & SEWER AUTH JAMISON, PA · 14,699 people · Surface Water Purchased MORRISVILLE MUNIC AUTHORITY MORRISVILLE, PA · 13,342 people · Surface Water AQUA PA HATBORO BRYN MAWR, PA · 12,901 people · Surface Water Purchased QUAKERTOWN BORO QUAKERTOWN, PA · 12,800 people · Groundwater AQUA PA SUPERIOR MAIN SYSTEM BRYN MAWR, PA · 11,400 people · Surface Water Purchased DOWNINGTOWN WATER AUTHORITY DOWNINGTOWN, PA · 9,900 people · Surface Water AQUA PA FRIENDSHIP BRYN MAWR, PA · 8,800 people · Groundwater DOYLESTOWN BORO WATER DEPT DOYLESTOWN, PA · 8,700 people · Groundwater DTMA MAIN SYSTEM DOYLESTOWN, PA · 8,655 people · Surface Water Purchased COLLEGEVILLE TRAPPE JOINT PWD TRAPPE, PA · 8,470 people · Groundwater PA AMERICAN AUDUBON NORRISTOWN, PA · 8,200 people · Surface Water Purchased AQUA PA SPRING RUN BRYN MAWR, PA · 8,151 people · Surface Water Purchased VEOLIA WATER BETHEL HARRISBURG, PA · 7,809 people · Surface Water Purchased TELFORD BOROUGH AUTHORITY TELFORD, PA · 7,700 people · Surface Water Purchased RICHLAND TWP WATER AUTHORITY QUAKERTOWN, PA · 6,800 people · Groundwater KENNETT SQUARE MUN WATER WORKS KENNETT SQUARE, PA · 6,328 people · Surface Water Purchased AQUA PA CHALFONT BRYN MAWR, PA · 5,900 people · Groundwater HILLTOWN TWP WATER&SEWER AUTH SELLERSVILLE, PA · 5,770 people · Surface Water Purchased OXFORD BOROUGH OXFORD, PA · 5,280 people · Surface Water Purchased SCHWENKSVILLE BOROUGH AUTH SCHWENKSVILLE, PA · 5,200 people · Surface Water Purchased TOWANDA MUNICIPAL AUTHORITY TOWANDA, PA · 5,000 people · GWUDI LONDON GROVE TWP MUN AUTH WEST GROVE, PA · 4,770 people · Surface Water Purchased BUCKINGHAM TWP COLD SPRING BUCKINGHAM, PA · 4,760 people · Groundwater UPPER HANOVER WATER AUTHORITY EAST GREENVILLE, PA · 4,600 people · Groundwater MILFORD TWP WATER AUTHORITY SPINNERSTOWN, PA · 4,497 people · Groundwater BUCKINGHAM TWP FURLONG BUCKINGHAM, PA · 4,150 people · Groundwater AQUA PA PERKIOMEN TOWNSHIP BRYN MAWR, PA · 3,600 people · Groundwater E GREENVILLE BORO WATER DEPT EAST GREENVILLE, PA · 3,100 people · Surface Water BEDMINSTER MUN AUTH PERKASIE, PA · 3,042 people · Groundwater BCWSA NEW HOPE WARRINGTON, PA · 3,017 people · Surface Water NORTH COVENTRY WATER SYSTEM POTTSTOWN, PA · 2,907 people · Surface Water Purchased HONEY BROOK BORO WATER HONEY BROOK, PA · 2,892 people · Groundwater WEST GROVE BOROUGH WEST GROVE, PA · 2,873 people · Groundwater PA AMERICAN PHOENIXVILLE SPRING CITY, PA · 2,661 people · Surface Water Purchased PLUMSTEAD NORTHERN SYSTEM PIPERSVILLE, PA · 2,605 people · Groundwater RED HILL WATER AUTHORITY EAST GREENVILLE, PA · 2,500 people · Groundwater BOROUGH OF DUBLIN DUBLIN, PA · 2,200 people · Groundwater NESHAMINY MANOR CENTER WARRINGTON, PA · 2,100 people · Surface Water Purchased BCWSA SOLEBURY WARRINGTON, PA · 2,100 people · Groundwater CANTON BOROUGH AUTHORITY CANTON, PA · 2,050 people · Groundwater COATESVILLE VETERANS ADM HOSP COATESVILLE, PA · 2,000 people · Surface Water Purchased TWP OF UPPER MAKEFIELD NEWTOWN, PA · 1,800 people · Groundwater PLUMSTEAD TWP PATRIOTS RIDGE PIPERSVILLE, PA · 1,704 people · Surface Water Purchased ELVERSON WATER COMPANY ELVERSON, PA · 1,641 people · Groundwater AQUA PA HONEYBROOK BRYN MAWR, PA · 1,600 people · Groundwater RICHLANDTOWN WATER DEPARTMENT RICHLANDTOWN, PA · 1,450 people · Groundwater BOROUGH OF ATGLEN ATGLEN, PA · 1,406 people · Groundwater TROY WATER DEPTARTMENT TROY, PA · 1,362 people · Groundwater VILLAGE OF NESHAMINY FALLS NORTH WALES, PA · 1,300 people · Surface Water Purchased VILLAGE OF BUCKINGHAM SPRINGS NEW HOPE, PA · 1,295 people · Groundwater PLUMSTEAD TWP SUMMER HILL MEAD PIPERSVILLE, PA · 1,284 people · Groundwater PARKHOUSE NURSING & REHAB CTR ROYERSFORD, PA · 1,200 people · Groundwater BOROUGH OF AVONDALE AVONDALE, PA · 1,108 people · Groundwater AQUA PA PERKIOMEN WOODS BRYN MAWR, PA · 1,100 people · Groundwater RIEGELSVILLE WATER AUTHORITY RIEGELSVILLE, PA · 980 people · Groundwater TRUMBAUERSVILLE MUN WATERWORKS TRUMBAUERSVILLE, PA · 974 people · Groundwater PEDDLERS VILLAGE LAHASKA, PA · 960 people · Groundwater TEL HAI RETIREMENT COMMUNITY HONEY BROOK, PA · 930 people · Groundwater UMH ARBOR ESTATES MORGANTOWN, WV · 920 people · Groundwater NWWA OLDE COLONIAL GREENE NORTH WALES, PA · 900 people · Groundwater RIDGLEA POTTSTOWN, PA · 900 people · Groundwater WESTTOWN SCHOOL WEST CHESTER, PA · 900 people · Groundwater AQUA PA UPPER PROVIDENCE BRYN MAWR, PA · 810 people · Surface Water Purchased RICHLAND MEADOWS MHP QUAKERTOWN, PA · 750 people · Groundwater HULMEVILLE MUNICIPAL AUTHORITY HULMEVILLE, PA · 750 people · Surface Water Purchased PLUMSTEAD TWP DURHAM RIDGE PIPERSVILLE, PA · 714 people · Groundwater NWWA PINE RUN NORTH WALES, PA · 700 people · Groundwater AQUA PA EAST PIKELAND BRYN MAWR, PA · 675 people · Surface Water Purchased VILLAGE 2 COMMUNITY ASSOC NEW HOPE, PA · 650 people · Groundwater FREDERICK LIVING ZIEGLERVILLE, PA · 640 people · Groundwater SPRINGTOWN WATER AUTHORITY SPRINGTOWN, PA · 600 people · Groundwater AQUA PA PEDDLERS VIEW BRYN MAWR, PA · 600 people · Groundwater INDIAN RUN VILLAGE MHP MORGANTOWN, PA · 550 people · Groundwater PERKIOMEN CROSSING FREDERICK, PA · 508 people · Groundwater AQUA PA SUPERIOR CENTER POINT BRYN MAWR, PA · 500 people · Groundwater NOTTINGHAM MANOR M H COURT NOTTINGHAM, PA · 473 people · Groundwater APPLEVILLE MOBILE HOME PARK COATESVILLE, PA · 461 people · Surface Water Purchased PENNLAND FARMS PERKASIE, PA · 452 people · Groundwater SPRING RUN ESTATES WTP COATESVILLE, PA · 450 people · Groundwater LONGWOOD GARDENS KENNETT SQUARE, PA · 440 people · Surface Water Purchased LERAYSVILLE WATER COMPANY LERAYSVILLE, PA · 360 people · Groundwater NEW ALBANY WATER FUND NEW ALBANY, PA · 336 people · Groundwater Purchased GREEN HILL MHP MORGANTOWN, PA · 323 people · Groundwater AVANTE APARTMENTS GILBERTSVILLE, PA · 315 people · Groundwater SOLEBURY SCHOOL NEW HOPE, PA · 300 people · Groundwater DTMA CEDAR CREST FARMS DOYLESTOWN, PA · 300 people · Surface Water Purchased RESERVE AND RIDGE AT HILLTOWN SELLERSVILLE, PA · 300 people · Surface Water Purchased AVONWHEEL ESTATE MHP LEMOYNE, PA · 300 people · Groundwater DEVEREUX FOUNDATION BRANDYWINE WEST CHESTER, PA · 300 people · Groundwater JACKSON MHP LANDISBURG, PA · 300 people · Groundwater BUCKINGHAM TWP FIELDSTONE BUCKINGHAM, PA · 281 people · Groundwater AQUA PA FRANKLIN BRYN MAWR, PA · 265 people · Groundwater MALVERN COURTS MHP SACRAMENTO, CA · 250 people · Groundwater COVENTRY TERRACE BANNER ELK, NC · 250 people · Groundwater WETHERILL ESTATES EXTON, PA · 250 people · Groundwater AWC VALLEY FORGE CROSSING MHP NORRISTOWN, PA · 250 people · Groundwater BCWSA FOX RUN PRESERVE WARRINGTON, PA · 220 people · Groundwater HILLTOP MOBILE ESTATES ROYERSFORD, PA · 220 people · Groundwater CREEKVIEW MHP NORRISTOWN, PA · 200 people · Groundwater TOWN AND COUNTRY ESTATES RICHMOND, VA · 200 people · Groundwater BRINTON MANOR GLEN MILLS, PA · 196 people · Groundwater BUCKINGHAM VLY REHAB & NURSING NEWTOWN, PA · 190 people · Groundwater MARTINS COMMUNITY LP MHP COCHRANVILLE, PA · 180 people · Groundwater ARBOUR COURT NASSAU, DE · 180 people · Groundwater DUBLIN ACRES HOMEOWNERS ASSOC DUBLIN, PA · 175 people · Groundwater YERKES WATER ASSOCIATION COLLEGEVILLE, PA · 165 people · Groundwater NWWA DURHAM VILLAGE NORTH WALES, PA · 160 people · Groundwater LONDONDERRY COURT MHP NORTH EAST, MD · 160 people · Surface Water Purchased CAMPHILL SOLTANE GLENMOORE, PA · 152 people · Groundwater IMPERIAL MOBILE HOME PARK MORGANTOWN, PA · 151 people · Groundwater SCENIC VIEW APARTMENTS HELLERTOWN, PA · 150 people · Groundwater AQUA PA SUPERIOR IVY RIDGE BRYN MAWR, PA · 150 people · Groundwater CAMPHILL SPEC SCH BEAVER RUN GLENMOORE, PA · 140 people · Groundwater SPRUCE COURT APARTMENTS JENKINTOWN, PA · 139 people · Groundwater BUCKS RUN APARTMENTS DUBLIN, PA · 130 people · Groundwater LOAGS CORNER MOBILE HOME PARK MORGANTOWN, PA · 130 people · Groundwater BCWSA ST STEPHENS GREENE WARRINGTON, PA · 130 people · Groundwater OAK GROVE PARK MHP HATFIELD, PA · 130 people · Groundwater SHADY GROVE MOBILE HOME PARK NEW LONDON, PA · 129 people · Groundwater GREENTOP MOBILE HOME PARK MORGANTOWN, PA · 120 people · Groundwater TWIN PINES HEALTH CARE CENTER WEST GROVE, PA · 120 people · Groundwater STONE BARN RENTALS KENNETT SQUARE, PA · 120 people · Groundwater WINDHAVEN MHP MALVERN, PA · 112 people · Groundwater