Oregon Water Quality
934 water systems serving 3,746,558 people. 43,641 total violations on record.
Safety Grade Distribution
A
115
12%
B
125
13%
C
563
60%
D
80
9%
F
51
5%
934
Water Systems
3,746,558
Population Served
43,641
Total Violations
2,598
Health-Based
Most Contaminated Systems
GALICE SUBDIVISION WATER CO
33 served2676 violations2454 recent
F
SUMNER WATER CORPORATION
50 served1112 violations868 recent
C
TROLLERS COVE WATER ASSN
32 served1386 violations708 recent
D
CASCADE GORGE PROPERTIES
33 served600 violations463 recent
F
MIDLAND WATER ASSOCIATION
160 served449 violations365 recent
F
SWISSHOME VILLAGE
24 served704 violations348 recent
F
ELK RIVER CAMPGROUND
64 served347 violations336 recent
F
ADRIAN, CITY OF
159 served546 violations326 recent
F
LONDON WATER CO-OP
63 served473 violations322 recent
F
WATSONVILLE WATER SYSTEM
27 served273 violations236 recent
C
Cleanest Water Systems
TUALATIN VALLEY WATER DISTRICT
224,600 served0 violations
A
EUGENE WATER & ELECTRIC BOARD
176,000 served0 violations
A
ROCKWOOD PUD
65,443 served1 violations
A
SPRINGFIELD UTILITY BOARD
62,100 served2 violations
A
CORVALLIS, CITY OF
61,468 served46 violations
A
ALBANY, CITY OF
57,997 served37 violations
A
SUNRISE WATER AUTHORITY
50,003 served0 violations
A
REDMOND WATER DEPARTMENT
37,566 served2 violations
A
AVION WC - GREATER AVION
35,332 served1 violations
A
COOS BAY NORTH BEND WTR BRD
34,500 served2 violations
A
Largest Water Systems in Oregon
| Water System | Grade | Population | Violations |
|---|---|---|---|
| PORTLAND WATER BUREAU | C | 666,200 | 4 |
| TUALATIN VALLEY WATER DISTRICT | A | 224,600 | 0 |
| SALEM PUBLIC WORKS | B | 199,820 | 2 |
| EUGENE WATER & ELECTRIC BOARD | A | 176,000 | 0 |
| MEDFORD WATER COMMISSION | C | 106,068 | 10 |
| HILLSBORO, CITY OF | B | 92,632 | 3 |
| BEAVERTON, CITY OF | B | 88,045 | 4 |
| BEND, CITY OF | C | 77,704 | 60 |
| GRESHAM, CITY OF | C | 73,932 | 6 |
| ROCKWOOD PUD | A | 65,443 | 1 |
| TIGARD, CITY OF | C | 62,500 | 6 |
| SPRINGFIELD UTILITY BOARD | A | 62,100 | 2 |
| CORVALLIS, CITY OF | A | 61,468 | 46 |
| ALBANY, CITY OF | A | 57,997 | 37 |
| SUNRISE WATER AUTHORITY | A | 50,003 | 0 |
| KLAMATH FALLS WATER DEPT | C | 40,475 | 10 |
| LAKE OSWEGO MUNICIPAL WATER | C | 40,000 | 5 |
| KEIZER, CITY OF | C | 38,585 | 5 |
| REDMOND WATER DEPARTMENT | A | 37,566 | 2 |
| GRANTS PASS, CITY OF | C | 37,138 | 3 |
Contaminants in Oregon
Cities in Oregon
PORTLAND(17)BEAVERTON(6)SALEM(25)EUGENE(33)BEND(42)MEDFORD(14)HILLSBORO(7)GRESHAM(3)SPRINGFIELD(6)CORVALLIS(12)TIGARD(2)ALBANY(12)MILWAUKIE(4)CLACKAMAS(6)HAPPY VALLEY(5)LAKE OSWEGO(7)ROSEBURG(7)KLAMATH FALLS(15)REDMOND(15)GRANTS PASS(33)KEIZER(4)COOS BAY(4)NEWBERG(46)MCMINNVILLE(2)OREGON CITY(3)WOODBURN(4)WEST LINN(5)TUALATIN(1)FOREST GROVE(1)WILSONVILLE(2)ASHLAND(7)HERMISTON(8)LINCOLN CITY(2)CENTRAL POINT(9)SHERWOOD(2)LEBANON(4)CANBY(4)THE DALLES(7)ASTORIA(9)DALLAS(1)PENDLETON(8)TROUTDALE(1)ST HELENS(5)MADRAS(2)SANDY(13)HOOD RIVER(3)CORNELIUS(3)ONTARIO(2)FLORENCE(2)MONMOUTH(2)LA GRANDE(3)PRINEVILLE(15)MOLALLA(9)GLADSTONE(1)COTTAGE GROVE(8)TILLAMOOK(15)FAIRVIEW(3)SILVERTON(2)BAKER CITY(2)INDEPENDENCE(2)SWEET HOME(1)NEWPORT(4)EAGLE POINT(2)SCAPPOOSE(11)WARRENTON(1)STAYTON(1)WINSTON(2)UMATILLA(2)SUTHERLIN(2)SEASIDE(3)SHERIDAN(3)BROOKINGS(4)JUNCTION CITY(3)MILTON-FREEWATER(2)MYRTLE CREEK(3)TALENT(1)ESTACADA(5)SISTERS(7)SEAL ROCK(1)ODELL(1)PHOENIX(1)BOARDMAN(1)VENETA(2)TERREBONNE(5)GLENEDEN BEACH(1)CRESWELL(1)WALDPORT(6)REEDSPORT(1)COQUILLE(5)PHILOMATH(2)LAFAYETTE(3)AMITY(2)HARRISBURG(2)WOOD VILLAGE(1)SUNRIVER(1)AUMSVILLE(1)BORING(7)LA PINE(2)HUBBARD(4)MT. ANGEL(1)