Is Jefferson, OR tap water safe?
The short answer
1 of the 2 utilities serving Jefferson has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: Jefferson Mobile Acres.
City of Jefferson, which serves the most people here, has nothing above a health goal in EPA’s and CDC’s records. That data covers what its report lists, not everything.
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 Jefferson’s ZIP codes, from EPA’s estimates.
- Open report
City of Jefferson
Oregon · serves 3,348 people · under 100 in Jefferson
Nothing in its records is above a health goal.
No health-based violations since 2016
- Open report
Jefferson Mobile Acres
Oregon · serves 65 people · under 100 in Jefferson
1 result above the health goal. The worst: Lead at 8.1 ppb, above the health goal.
1 health-based violation since 2016
Water testing near Jefferson
The 3 labs Oregon certifies closest to Jefferson, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
U.S. Region 9 Lab - Corvallis, OR
Corvallis, OR · about 9 miles
Certified for nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, PFAS
Waterlab Corp.
Salem, OR · about 11 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics
Eurofins Corvallis
Corvallis, OR · about 13 miles
Certified for bacteria, nitrate
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 OregonZIP codes in Jefferson
Which ZIP codes are in Jefferson: 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 Jefferson
Towns nearby with a page of their own.
What to do next
- Read City of Jefferson’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Decide if you want a filter at allA filter for taste or chlorine is a preference, not a need. The standards say what each kind can do.NSF/ANSI standards, decoded
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water