Mid-Size Systems in Pennsylvania

64 mid-size systems in Pennsylvania, ranked by infrastructure stress score.

Community water systems serving between 10,000 and 100,000 people. Mid-size systems occupy a transitional zone — large enough to face complex infrastructure demands but often without the rate base or organizational depth of major utilities.

SystemPop. ServedMISIBand
Easton97K41.956Fragile
Reading95K43.752Fragile
PAWC LAKE SCRANTON79K19.202Stable
Harrisburg67K47.285Fragile
Altoona63K26.247Watch
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
Johnstown50K30.957Watch
AQUA PA WEST CHESTER49K46.551Fragile
HCA ROAN FILTER PLANT45K32.875Watch
New Castle43K15.070Stable
CRANBERRY TWP WTP42K23.918Watch
MOON TWP MUNI AUTH38K37.401Watch
PENN STATE UNIV.37K24.248Watch
Pottstown36K48.623Fragile
AQUA PA UWCHLAN36K34.112Watch
McKeesport33K33.676Watch
LATROBE MUNI AUTH30K28.913Watch
AQUA PA BRISTOL29K41.649Fragile
PAW PENN DISTRICT29K44.957Fragile
GUILFORD WATER AUTH28K24.997Watch
PLUM BORO MUNI AUTH28K24.374Watch
COLUMBIA WATER CO25K31.657Watch
KNOEBELS GROVE PARK4K7.198Stable