Portland, OR water quality
Portland, OR is served by 52 public water systems, serving 866,552 people combined. Across those systems, we count 6 health-based violations in the last 5 years. The worst Tap Grade among them is D.
Water systems serving Portland
PORTLAND WATER BUREAU
PORTLAND, OR · 666,200 served
ROCKWOOD PUD
PORTLAND, OR · 65,443 served
TIGARD, CITY OF
TIGARD, OR · 62,500 served
OAK LODGE WATER SERVICES
MILWAUKIE, OR · 30,000 served
MILWAUKIE, CITY OF
MILWAUKIE, OR · 20,946 served
WEST SLOPE WATER DISTRICT
PORTLAND, OR · 11,000 served
RALEIGH WATER DISTRICT
PORTLAND, OR · 4,500 served
PALATINE HILL WATER DISTRICT
PORTLAND, OR · 1,500 served
PLEASANT VALLEY ELEMENTARY
PORTLAND, OR · 650 served
NORTH PLAINS ARCO
PORTLAND, OR · 500 served
GALES CREEK CAMP
TIGARD, OR · 360 served
MANNA HOUSE CHURCH
PORTLAND, OR · 300 served
SKYLINE ELEMENTARY SD 1J
PORTLAND, OR · 250 served
CENTRAL CHURCH OF THE NAZARENE
PORTLAND, OR · 200 served
PDX METRO COMMERCIAL
PORTLAND, OR · 200 served
CAMP HOWARD-CYO
PORTLAND, OR · 160 served
ROCKY POINTE MARINA
PORTLAND, OR · 125 served
MOBILE VILLAGE MHP LLC
PORTLAND, OR · 100 served
CNG SMOKEHOUSE LLC
PORTLAND, OR · 100 served
SAUVIE ISLAND MOORAGE
PORTLAND, OR · 96 served
THE PUMPKIN PATCH
PORTLAND, OR · 75 served
TOPAZ FARM
PORTLAND, OR · 75 served
PLAINVIEW GROCERY
PORTLAND, OR · 75 served
BURNSIDE ROCKET
PORTLAND, OR · 75 served
ZIG ZAG MOUNTAIN STORE
PORTLAND, OR · 70 served
TOTEM VILLAGE MHP
PORTLAND, OR · 70 served
COOKS IN-LIEU TFAS
PORTLAND, OR · 70 served
SANDY RIDGE HEADSTART
MILWAUKIE, OR · 60 served
COLUMBIA AIRGAS
PORTLAND, OR · 55 served
REEDER BEACH RESORT
PORTLAND, OR · 50 served
HILLSBORO LANDFILL
PORTLAND, OR · 50 served
BOMBER MOTEL
MILWAUKIE, OR · 50 served
CELILO TFAS
PORTLAND, OR · 50 served
NORTH BONNEVILLE TFAS
PORTLAND, OR · 43 served
LONE PINE IN-LIEU TFAS
PORTLAND, OR · 40 served
BELLA ORGANIC FARM
PORTLAND, OR · 40 served
MARYHILL TFAS
PORTLAND, OR · 39 served
BETHANY BIBLE CHURCH
PORTLAND, OR · 35 served
LYLE TFAS
PORTLAND, OR · 33 served
ASH GROVE CEMENT WEST-RVRGATE
PORTLAND, OR · 32 served
CRACKER BARREL GROCERY
PORTLAND, OR · 30 served
AUDUBON SOCIETY PDX-MARMOT
PORTLAND, OR · 30 served
GOLDEN SPIKE MOTEL
PORTLAND, OR · 30 served
BIG OAK MARINA
PORTLAND, OR · 30 served
MAYFAIR MOORAGE INC
PORTLAND, OR · 30 served
ALPINE TERRACE
PORTLAND, OR · 30 served
STANLEY ROCK TFAS
PORTLAND, OR · 29 served
ZIG ZAG MTN FARM
PORTLAND, OR · 26 served
PAE LIVING BUILDING
PORTLAND, OR · 25 served
PASTURE POINT TFAS
PORTLAND, OR · 25 served
PPR GATEWAY GREEN PARK
PORTLAND, OR · 25 served
ARRAH WANNA ESTATES WS
PORTLAND, OR · 25 served
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Is Portland, OR tap water safe to drink?
52 public water systems serve Portland, OR, with 6 health-based violations in the last 5 years across them. The worst Tap Grade among them is D. A Tap Grade summarizes public EPA compliance records; it is not a determination that water is safe or unsafe to drink.
Does Portland's water have lead in it?
The most recent 90th-percentile lead sample is 13 ppb, versus the EPA action level of 15 ppb.
Has PFAS been detected in Portland's water?
Yes — at least one water system serving Portland has detected PFAS under UCMR5.
Source: EPA SDWIS/ECHO · Data as of 2026Q2
TapGraded presents public EPA data for information only — it is not health advice and not a determination that any water is safe or unsafe to drink. For health concerns, contact your water utility or local health department.