Pennsylvania Water Quality
1,855 water systems serving 11,468,960 people. 175,690 total violations on record.
Safety Grade Distribution
A
213
11%
B
95
5%
C
1,183
64%
D
237
13%
F
127
7%
1,855
Water Systems
11,468,960
Population Served
175,690
Total Violations
5,544
Health-Based
Most Contaminated Systems
SUNRISE LAKES SEC 12
125 served5485 violations4513 recent
C
PA AMERICAN AUDUBON
8,200 served4949 violations4273 recent
C
SUNRISE LAKE SECTION 9
125 served2823 violations2228 recent
C
COUNTRY GLEN TOWNHOMES
50 served1978 violations1978 recent
C
BEAVER RUN WATER ASSOCIATION
50 served1514 violations1503 recent
C
BIG BASS LAKE WATER ASSOC.
130 served1481 violations1325 recent
F
SALEM HEIGHTS ESTATE
62 served1800 violations838 recent
D
COOPERSTOWN WATER COMPANY
360 served770 violations770 recent
D
OVERPECK MHP
25 served721 violations721 recent
D
HELLERS MOBILE HOME PARK
21 served896 violations711 recent
C
Cleanest Water Systems
PA AMER WATER CO-PITTSBURGH
686,000 served5 violations
A
CHESTER WATER AUTHORITY
140,437 served0 violations
A
PA AMER WATER CO LAKE SCRANTON
134,570 served0 violations
A
EASTON AREA WATER SYSTEM
96,867 served0 violations
A
NORTH PENN WATER AUTHORITY
91,941 served0 violations
A
PAW CEASETOWN
58,467 served0 violations
A
PAW NESBITT
52,640 served0 violations
A
PAW WATRES
52,002 served1 violations
A
WILLIAMSPORT MUN WATER AUTH
51,000 served6 violations
A
PA AMER WATER CO
50,200 served3 violations
A
Largest Water Systems in Pennsylvania
| Water System | Grade | Population | Violations |
|---|---|---|---|
| PHILADELPHIA WATER DEPARTMENT | C | 1,600,000 | 11 |
| AQUA PA MAIN SYSTEM | C | 822,600 | 103 |
| PA AMER WATER CO-PITTSBURGH | A | 686,000 | 5 |
| PITTSBURGH WATER & SEWER AUTH | C | 520,000 | 82 |
| ERIE CITY WATER AUTHORITY | C | 220,001 | 45 |
| YORK WATER CO | D | 206,762 | 22 |
| WEST VIEW WATER AUTHORITY | B | 200,000 | 18 |
| MAWC SWEENEY PLANT | C | 143,000 | 35 |
| CHESTER WATER AUTHORITY | A | 140,437 | 0 |
| PA AMER WATER CO LAKE SCRANTON | A | 134,570 | 0 |
| MAWC YOUGH PLANT | F | 133,000 | 23 |
| WILKINSBURG-PENN JT WATER AUTH | C | 125,000 | 41 |
| CITY OF LANCASTER | D | 120,000 | 8 |
| LCA ALLENTOWN DIVISION | C | 118,000 | 13 |
| CITY OF BETHLEHEM | C | 117,259 | 112 |
| VEOLIA WATER | C | 110,000 | 8 |
| PA AMERICAN WATER CO WEST | C | 105,127 | 18 |
| EASTON AREA WATER SYSTEM | A | 96,867 | 0 |
| READING AREA WATER AUTHORITY | D | 95,100 | 19 |
| NORTH PENN WATER AUTHORITY | A | 91,941 | 0 |
Contaminants in Pennsylvania
Cities in Pennsylvania
PHILADELPHIA(1)BRYN MAWR(25)PITTSBURGH(13)MCMURRAY(1)GREENSBURG(5)HARRISBURG(15)ERIE(8)YORK(13)ALLENTOWN(18)SCRANTON(12)READING(10)NEW CASTLE(13)WILKES BARRE(6)CHESTER(1)MECHANICSBURG(6)WILKINSBURG(1)BETHLEHEM(13)LANCASTER(11)NORRISTOWN(8)NORTH WALES(8)EASTON(7)LANSDALE(4)JOHNSTOWN(7)STATE COLLEGE(4)SHARON(10)LEVITTOWN(1)ALTOONA(3)ALLISON PARK(1)LEBANON(5)WARRINGTON(6)CHAMBERSBURG(5)SHAMOKIN(8)HUMMELSTOWN(2)MILTON(10)BEAVER FALLS(2)EAST STROUDSBURG(12)WILLIAMSPORT(5)SPRING CITY(2)MONROEVILLE(1)NEW KENSINGTON(1)HAZLETON(5)CRANBERRY TWP(2)NORTHAMPTON(7)HANOVER(1)NEWTOWN(4)CARLISLE(9)COATESVILLE(11)WARMINSTER(1)JEFFERSON(1)POTTSTOWN(6)OAKMONT(1)MOON TOWNSHIP(1)UNIVERSITY PARK(1)RICHBORO(1)POTTSVILLE(6)WHITE HAVEN(52)DUNBAR(1)ALIQUIPPA(2)UNIONTOWN(2)CLARKS SUMMIT(3)YARDLEY(1)BLOOMSBURG(5)LATROBE(1)COLUMBIA(3)CHARLEROI(1)MILROY(2)HORSHAM(1)EPHRATA(3)PHILIPSBURG(5)FAIRLESS HILLS(2)ELIZABETHTOWN(15)DOVER(5)BUSHKILL(13)LITITZ(9)TOBYHANNA(3)WAYNESBORO(5)SELLERSVILLE(3)LANDISVILLE(1)OAKDALE(3)QUAKERTOWN(3)BLAIRSVILLE(3)AMBLER(2)MEADVILLE(9)AMBRIDGE(3)SAINT MARYS(1)BELLEFONTE(7)BRADFORD(1)SHIPPENSBURG(3)NATRONA HEIGHTS(2)DOYLESTOWN(3)PHOENIXVILLE(1)WARREN(4)GETTYSBURG(5)SOUTHAMPTON(1)HUNTINGDON(2)SLIPPERY ROCK(3)KUTZTOWN(6)RED LION(1)SAYRE(2)MOUNT JOY(1)