Is Portland, Oregon tap water safe?
28 water systems report serving Portland. Your water depends on which one serves your address. Check your bill if unsure. This list is matched from the ZIP codes in this place, so it may include nearby systems.
A
Portland Water Bureau
Serves 666,200 people · Surface water · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
A
Tualatin Valley Water District
Serves 224,600 people · Surface water · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
A
City of Beaverton
Serves 88,045 people · Surface water · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
A
Rockwood PUD
Serves 65,443 people · Surface water · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
B
City of Tigard
Serves 62,500 people · Surface water · Full report →
No health-based violations in the last 5 years; 12 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2026).
B
Sunrise Water Authority
Serves 50,003 people · Surface water · Full report →
No health-based violations in the last 5 years; PFOA/PFOS average above the 4 ppt federal limit: PFOS; Lead 90th percentile below the action level (2023).
B
Oak Lodge Water Services
Serves 30,000 people · Surface water · Full report →
1 health-based violation in the last 5 years; 1 monitoring/reporting violation; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
A
Clackamas River Water
Serves 29,918 people · Surface water · Full report →
No health-based violations in the last 5 years; 4 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
C
City of Milwaukie
Serves 20,946 people · Groundwater · Full report →
No health-based violations in the last 5 years; 15 monitoring/reporting violations; 1 not yet resolved; PFOA/PFOS average above the 4 ppt federal limit: PFOS; Lead 90th percentile below the action level (2025).
D
City of Gladstone
Serves 12,121 people · Surface water · Full report →
8 health-based violations in the last 5 years; 6 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
A
West Slope Water District
Serves 11,000 people · Surface water · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
A
Raleigh Water District
Serves 4,500 people · Surface water · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
A
Valley View Water District
Serves 1,034 people · Surface water · Full report →
No health-based violations in the last 5 years; 4 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A
Burlington Water District
Serves 340 people · Surface water · Full report →
No health-based violations in the last 5 years; 3 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
C
Smgv/Widgi Creek
Serves 300 people · Groundwater · Full report →
2 health-based violations in the last 5 years; 6 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2022).
B
Manna House Church
Serves 300 people · Groundwater · Full report →
No health-based violations in the last 5 years; 14 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
A
Sigler Cove Marina
Serves 150 people · Groundwater · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A
Rocky Pointe Marina
Serves 125 people · Groundwater · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile above the new 10 ppb action level (LCRI, effective Nov 1, 2027); Lead 90th percentile below the action level (2023).
C
Columbia Acres Water Assoc
Serves 110 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 21 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
C
Sauvie Island Moorage
Serves 96 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 59 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2022).
B
Country Villa Mobile Estates
Serves 90 people · Groundwater · Full report →
No health-based violations in the last 5 years; 9 monitoring/reporting violations; 3 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A
Courtney Senior Estates
Serves 80 people · Groundwater · Full report →
No health-based violations in the last 5 years; 3 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
B
McCuddys Landing
Serves 70 people · Groundwater · Full report →
No health-based violations in the last 5 years; 20 monitoring/reporting violations; 4 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A
Dikeside Moorage
Serves 45 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
B
Hogg Heaven MHP
Serves 40 people · Groundwater · Full report →
No health-based violations in the last 5 years; 30 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2022).
C
Big Oak Marina
Serves 30 people · Groundwater · Full report →
2 health-based violations in the last 5 years; 79 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A
Mayfair Moorage Inc
Serves 30 people · Groundwater · Full report →
No health-based violations in the last 5 years; 3 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
C
Robbins Nest Residential Park
Serves 27 people · Groundwater · Full report →
2 health-based violations in the last 5 years; 25 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2026).