Is Oak Grove, OR tap water safe?
The short answer
3 of the 5 utilities serving Oak Grove have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: Oak Lodge Water Services, Portland Water Bureau and City of Gladstone.
Oak Lodge Water Services, which serves the most people here, has 1 result above the health goal. The worst: Lead at 2.7 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Oak Grove’s ZIP codes, from EPA’s estimates.
- Open report
Oak Lodge Water Services
Oregon · serves 30,000 people · about 9,600 in Oak Grove
1 result above the health goal. The worst: Lead at 2.7 ppb, above the health goal.
1 health-based violation since 2016
- Open report
Clackamas River Water
Oregon · serves 29,918 people · about 4,900 in Oak Grove
1 result above the health goal. The worst: Lead at 1.7 ppb, above the health goal.
No health-based violations since 2016
- Open report
City of Milwaukie
Oregon · serves 20,946 people · about 2,100 in Oak Grove
1 result above EPA’s new limit, which takes effect in 2029. The worst: PFOS at 7.0 ppt, above EPA’s new limit, which takes effect in 2029.
No health-based violations since 2016
- Open report
Portland Water Bureau
Oregon · serves 666,200 people · about 130 in Oak Grove
1 result above the health goal. The worst: Lead at 5.0 ppb, above the health goal. Hardness: soft to moderately hard depending on the source, 7 to 80 mg/L (0.4 to 4.7 grains per gallon).
1 health-based violation since 2016
- Open report
City of Gladstone
Oregon · serves 12,121 people · under 100 in Oak Grove
2 results above the legal limit and 1 result above the health goal. The worst: Haloacetic acids (HAA5) at 36.5 ppb, above the legal limit.
8 health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Oak Lodge Water Services’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Brita Tahoe Pitcher with Elite Filter (OB60, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
- IAPMO listing:NSF/ANSI 53checked Oct. 13, 2026
Certified for: Lead
Brita Everyday Pitcher with Elite Filter (OB46, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
Certified for: Lead
PUR PLUS 11-Cup Pitcher (PPT111W)
Pitcher
- NSF listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
Certified for: Lead
Water testing near Oak Grove
The 3 labs Oregon certifies closest to Oak Grove, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Clackamas River Water Drinking Water Quality Laboratory
Clackamas, OR · about 4 miles
Certified for bacteria
Rose City Laboratories
Portland, OR · about 4 miles
Certified for bacteria, nitrate, lead and copper, metals, PFAS
Alexin Analytical Laboratories, Inc.
Tigard, OR · about 8 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
Oregon State University Extension Well Water Program: Nitrate screening of well water at many of its groundwater education events. The screening is free. Water Testing Guidance for Private Wells, OSU Well Water Program.
All 91 certified labs for OregonWhich ZIP codes are in Oak Grove: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: Oregon Environmental Laboratory Accreditation Program, drinking water labs, as listed in TNI LAMS; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Oak Grove
Other towns in Clackamas County with a page of their own.
What to do next
- Read Oak Lodge Water Services’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for LeadRanked by certification and what they cost over five years.The best water filters for lead, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water