Fragile Water Systems in Pennsylvania

57 community drinking-water systems in Pennsylvania currently rated Fragile (MISI 41–60).

Systems in the Fragile band (MISI 41–60) face meaningful structural challenges across multiple risk families. Typical patterns include concurrent operational stress and capital pressure, or revenue fragility paired with governance risk.

SystemPop. ServedMISIBand

Philadelphia1.6M50.593Fragile

AQUA PA MAIN SYSTEM823K46.896Fragile

PA AMER WATER CO-PITTSBURGH686K41.022Fragile

Pittsburgh520K52.362Fragile

Chester140K41.290Fragile

MAWC YOUGH PLANT133K45.512Fragile

UNITED WATER PENNSYLVANIA110K57.799Fragile

Easton97K41.012Fragile

Reading95K43.752Fragile

NORTH PENN WATER AUTHORITY92K51.118Fragile

Norristown89K46.147Fragile

NORTH WALES WATER AUTHORITY72K42.413Fragile

Harrisburg67K46.341Fragile

LOWER BUCKS CO JOINT MUN AUTH63K43.926Fragile

AQUA PA BENSALEM59K42.019Fragile

BCWSA MAIN LOWER SOUTH53K43.050Fragile

PA AMER WATER CO50K47.975Fragile

AQUA PA WEST CHESTER49K44.572Fragile

LCA WLSA CENTRAL DIVISION48K43.994Fragile

NEWTOWN ARTESIAN WATER CO39K40.705Fragile

PA AMERICAN COATESVILLE37K42.517Fragile

NORTHAMPTON BUCKS CO MUN AUTH37K40.652Fragile

Pottstown36K48.623Fragile

PA AMERICAN WATER CO YARDLEY33K42.768Fragile

AQUA PA BRISTOL29K40.705Fragile

PAW PENN DISTRICT29K44.957Fragile

HORSHAM WATER&SEWER AUTHORITY26K45.260Fragile

FALLS TWP WATER & SEWER DEPT24K40.705Fragile

MUHLENBERG TWP MUNI AUTH22K40.652Fragile

AMBLER BORO WATER DEPT20K44.149Fragile

PHOENIXVILLE WATER DEPT17K41.649Fragile

E STROUDSBURG BORO WATER DEPT13K41.250Fragile

AQUA PA HATBORO13K42.727Fragile

SUPERIOR WATER COMPANY MAIN11K51.620Fragile

MT PENN MUNI WATER AUTH10K44.125Fragile

DOWNINGTOWN WATER AUTHORITY10K41.649Fragile

LITITZ BORO9K43.128Fragile

DILLSBURG AREA AUTHORITY9K40.131Fragile

DOYLESTOWN TWP MUN AUTHORITY9K47.156Fragile

HOUTZDALE MUNICIPAL AUTHORITY8K45.936Fragile

AUDUBON WATER COMPANY8K52.616Fragile

CONEMAUGH TWP MUNI AUTH8K43.144Fragile

INDIAN CREEK VALLEY WATER AUTH7K43.274Fragile

RICHLAND TWP WATER AUTHORITY7K42.705Fragile

MANHEIM BORO WATER DEPT7K40.210Fragile

SOMERSET BORO MUNI WATER AUTH6K46.948Fragile

BROOKVILLE MUNICIPAL AUTH6K40.419Fragile

BEAVER BORO MUNI AUTH6K43.286Fragile

HILLTOWN TWP WATER&SEWER AUTH6K43.147Fragile

SCHWENKSVILLE BOROUGH AUTH5K40.511Fragile

UPPER HANOVER WATER AUTHORITY5K43.150Fragile

NORTH SEWICKLEY MUN WATER AUTH5K41.286Fragile

SLATINGTON BOROUGH WATER SYS4K44.515Fragile

PENN ESTATES UTILITIES INCORP4K42.715Fragile

BLAIRSVILLE MUNI AUTH4K41.475Fragile

MOUNTAIN WATER ASSN4K46.018Fragile

AQUA PA PERKIOMEN TOWNSHIP4K40.796Fragile