Surface Water Systems in Pennsylvania

165 community drinking-water systems in Pennsylvaniamatching this source-type cohort.

Systems that draw primarily from rivers, lakes, or reservoirs. Surface water systems face treatment complexity, seasonal variability, watershed protection demands, and exposure to drought and climate patterns.

SystemPop. ServedMISIBand

Philadelphia1.6M50.593Fragile

AQUA PA MAIN SYSTEM823K46.581Fragile

PHILA SUB WATER CO759K16.833Stable

PA AMER WATER CO-PITTSBURGH686K41.022Fragile

QUEEN LANE WATER PLANT535K27.221Watch

Pittsburgh520K52.362Fragile

BELMONT WATER TREATMENT PLANT320K27.221Watch

Erie220K39.480Watch

York207K31.581Watch

WEST VIEW BORO MUNI AUTH200K39.397Watch

WESTMD MUN AUTH-SWEENEY PLANT143K26.813Watch

Chester140K43.269Fragile

MAWC YOUGH PLANT133K45.512Fragile

WESTERN PENNSYLVANIA WATER CO127K14.855Stable

WILKINSBURG-PENN JT WATER AUTH125K32.737Watch

Lancaster120K39.685Watch

Allentown118K33.840Watch

Bethlehem117K37.565Watch

PA AMERICAN-CANONS/WASHINGTON114K14.534Stable

UNITED WATER PENNSYLVANIA110K63.272High Stress

PA AMERICAN WATER CO WEST105K38.172Watch

PA GAS AND WATER CO - NORT DI102K7.988Stable

Easton97K41.956Fragile

Reading95K43.752Fragile

NORTH PENN WATER AUTHORITY92K51.118Fragile

PAWC LAKE SCRANTON79K19.202Stable

NORTH WALES WATER AUTHORITY72K46.993Fragile

STATE COLLEGE BORO WATER AUTH.72K17.112Stable

Harrisburg67K47.285Fragile

LOWER BUCKS CO JOINT MUN AUTH63K44.870Fragile

Altoona63K26.247Watch

HAMPTON SHALER WATER AUTHORITY62K23.783Watch

AQUA PA BENSALEM59K45.973Fragile

PAWC CEASETOWN58K24.157Watch

LEBANON WATER AUTH57K25.711Watch

PAWC NESBITT53K21.662Watch

BCWSA MAIN LOWER SOUTH53K43.994Fragile

PAWC WATRES52K24.659Watch

Williamsport51K28.857Watch

PA AMER WATER CO50K49.953Fragile

BEAVER FALLS MUNI AUTH50K29.616Watch

Johnstown50K30.957Watch

AQUA PA WEST CHESTER49K46.551Fragile

MONROEVILLE MUNICIPAL AUTH49K38.931Watch

AQUA PA SHENANGO VALLEY WTP48K29.725Watch

NEW KENSINGTON MUNI AUTH48K18.865Stable

LCA WLSA CENTRAL DIVISION48K39.099Watch

PA AMERICAN WATER COMPANY47K36.989Watch

UNITED WATER PA MECHANICSBURG45K35.447Watch

HCA ROAN FILTER PLANT45K32.875Watch

PA AMERICAN WATER CO BUTLER43K25.460Watch

New Castle43K15.070Stable

AQUA PA ROARING CREEK DIVISION43K24.997Watch

CRANBERRY TWP WTP42K23.918Watch

HANOVER MUNI WATER WORKS41K33.992Watch

WARMINSTER MUNICIPAL AUTHORITY40K39.211Watch

SOUTHWESTERN PA WATER AUTH40K35.656Watch

NORTHAMPTON BORO MUNI AUTH40K23.994Watch

OAKMONT BORO MUNI AUTH40K36.108Watch

NEWTOWN ARTESIAN WATER CO39K41.649Fragile

MOON TWP MUNI AUTH38K37.401Watch

PA AMERICAN COATESVILLE37K37.986Watch

NORTHAMPTON BUCKS CO MUN AUTH37K40.652Fragile

Pottstown36K48.623Fragile

AQUA PA UWCHLAN36K34.112Watch

NORTH FAYETTE CNTY MUNI AUTH35K38.020Watch

PA AMERICAN WATER CO YARDLEY33K44.746Fragile

McKeesport33K33.676Watch

SCHUYLKILL CO MUN AUTH32K36.364Watch

CHAMBERSBURG BORO WATER SYS31K24.997Watch

PA AMERICAN WHITE DEER30K30.015Watch

BRODHEAD CREEK REG WATER AUTH30K28.225Watch

LATROBE MUNI AUTH30K28.913Watch

UNITED WATER PA BLOOMSBURG OP29K20.558Watch

AQUA PA BRISTOL29K41.649Fragile

PLUM BORO MUNI AUTH28K24.374Watch

AUTH OF BORO OF CHARLEROI27K20.790Watch

LEWISTOWN BORO MUNI AUTH27K27.269Watch

CARLISLE WATER TRMT PLT26K25.998Watch

HORSHAM WATER&SEWER AUTHORITY26K46.250Fragile

COLUMBIA WATER CO25K31.657Watch

PAW GLEN ALSACE DIV25K33.627Watch

EPHRATA AREA JOINT AUTHORITY25K30.680Watch

FALLS TWP WATER & SEWER DEPT24K41.649Fragile

PAW BLUE MOUNTAIN DIVISION24K23.640Watch

PA-AMERICAN WATER- UNIONTOWN23K38.867Watch

HIGHLAND S & W AUTH BEAVERDAM23K38.951Watch

PA AMERICAN WATER CO-INDIANA D22K30.759Watch

PA GAS & WATER COMPANY22K14.865Stable

WARRINGTON TWP WATER&SEW DEPT22K40.652Fragile

DOVER TWP WATER SYS21K35.992Watch

EAST HEMPFIELD WATER AUTH21K29.346Watch

PA AMER WATER PHILIPSBURG21K10.325Stable

AMBLER BORO WATER DEPT20K44.149Fragile

ST MARYS AREA WATER AUTH20K30.538Watch

AMBRIDGE WATER AUTH20K35.288Watch

W ALLEGHENY CNTY MUNI AUTH19K28.116Watch

MILLCREEK TWP WATER AUTH19K31.720Watch

CENTER TWP WATER AUTH19K33.290Watch

ELIZABETHTOWN AREA WATER19K27.998Watch

FOX CHAPEL AUTH19K32.186Watch

BRADFORD CITY WATER AUTHORITY19K32.270Watch

SHIPPENSBURG BORO WATER AUTH18K27.994Watch

PA AMER WATER CO ELLWOOD CTY17K22.999Watch

PA AMERICAN WATER CO CLARION17K18.167Stable

PHOENIXVILLE WATER DEPT17K41.649Fragile

ROBINSON TWP MUNI AUTH16K32.654Watch

UPPER SOUTHAMPTON MUN AUTH16K38.652Watch

HIGHRIDGE WATER AUTH16K33.992Watch

RED LION16K27.679Watch

MT JOY BORO AUTH15K28.472Watch

WARWICK TWP WATER & SEWER AUTH15K32.713Watch

SWTA - MAIN SYSTEM15K34.989Watch

KUTZTOWN BOROUGH WATER14K39.292Watch

CLEARFIELD MUNICIPAL AUTH14K30.180Watch

HUNTINGDON BORO WATER DEPT14K24.383Watch

HARRISON TWP WATER AUTH13K27.657Watch

MORRISVILLE MUNIC AUTHORITY13K31.990Watch

SHILLINGTON MUNI AUTH13K34.747Watch

BORO OF WAYNESBORO13K27.994Watch

E STROUDSBURG BORO WATER DEPT13K43.228Fragile

AQUA PA HATBORO13K43.717Fragile

BEAR VALLEY JOINT AUTH13K32.995Watch

PAWC BROWNELL13K22.859Watch

SUMMIT TOWNSHIP WATER AUTHORIT13K28.991Watch

GETTYSBURG MUNI AUTH12K32.995Watch

DALLASTOWN YOE WATER AUTH12K24.089Watch

PAWC HUNTSVILLE12K16.665Stable

SOUTH MIDDLETON TWP WATER AUTH12K31.659Watch

FINDLAY TWP MUNICIPAL AUTH11K23.994Watch

PA-AMERICAN WATER CO-CONNELLSV11K30.869Watch

SUPERIOR WATER COMPANY MAIN11K51.620Fragile

MUNICIPAL AUTHORITY SUNBURY11K22.911Watch

RICHLAND TWP MUNI AUTH10K26.802Watch

TRI CNTY JT MUNI AUTH10K31.657Watch

CITY OF LOCK HAVEN WATER DEPT10K28.276Watch

DOWNINGTOWN WATER AUTHORITY10K41.649Fragile

PAWC CRYSTAL LAKE10K30.902Watch

SUBURBAN LOCK HAVEN WATER AUTH10K26.249Watch

ICMSA CROOKED CREEK10K29.073Watch

SHENANDOAH MUN WATER AUTHORITY10K29.771Watch

MYERSTOWN WATER AUTH10K27.228Watch

LITITZ BORO9K43.128Fragile

MUNI AUTH OF WASHINGTON TWP9K38.686Watch

PAW BANGOR DISTRICT9K18.643Stable

LEHIGHTON WATER AUTHORITY9K32.657Watch

PA AMERICAN WATER PUNXSY9K20.567Watch

MUNICIPAL WATER AUTH ADAMS TWP9K20.790Watch

DOYLESTOWN TWP MUN AUTHORITY9K49.134Fragile

GREENVILLE MUNI WATER AUTH9K31.976Watch

WARWICK TWP LITITZ SYS9K34.658Watch

HOLLIDAYSBURG MUNI AUTH9K36.041Watch

SALISBURY TWP WATER SYSTEM9K28.387Watch

EBENSBURG BORO MUNI AUTH9K30.278Watch

WYOMISSING BORO WATER SYS9K25.631Watch

N MIDDLETON WATER AUTH8K33.992Watch

HOUTZDALE MUNICIPAL AUTHORITY8K45.936Fragile

WELLSBORO MUNICIPAL AUTHORITY8K29.952Watch

AUDUBON WATER COMPANY8K52.616Fragile

AQUA PA SPRING RUN8K38.545Watch

KITTANNING SUBURB JT WATER AUT8K15.186Stable

BOYERTOWN MUNI AUTH8K31.988Watch

TAMAQUA AREA WATER AUTHORITY8K27.228Watch

PA-AMERICAN WATER-BROWNSVILLE8K35.870Watch

UNITED WATER BETHEL8K35.465Watch