Is West Jefferson, OH tap water safe?
The short answer
3 of the 5 utilities serving West Jefferson have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Ohio’s records: Columbus Public Water System, West Jefferson Village PWS and Mid - Ohio WSD - Chrisman Avenue WTP.
Columbus Public Water System, which serves the most people here, has 1 result above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOA at 5.3 ppt, above EPA’s new limit, which takes effect in 2029.
The water from Columbus Public Water System is moderately hard to hard depending on the source, 98 to 125 mg/L (5.7 to 7.3 grains per gallon). How Ohio’s water compares.
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 West Jefferson’s ZIP codes, from EPA’s estimates.
- Open report
Columbus Public Water System
Ohio · serves 1.3 million people · about 730 in West Jefferson
1 result above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOA at 5.3 ppt, above EPA’s new limit, which takes effect in 2029. Hardness: moderately hard to hard depending on the source, 98 to 125 mg/L (5.7 to 7.3 grains per gallon).
1 health-based violation since 2016
- Open report
West Jefferson Village PWS
Ohio · serves 4,488 people · about 690 in West Jefferson
2 results above the health goal. The worst: Arsenic at 1.0 ppb, above the health goal.
1 health-based violation since 2016
- Open report
Aqua Ohio - Lake Darby
Ohio · serves 3,562 people · about 150 in West Jefferson
1 result above the health goal. The worst: Arsenic at 1.7 ppb, above the health goal.
No health-based violations since 2016
- Open report
Mid - Ohio WSD - Chrisman Avenue WTP
Ohio · serves 10,256 people · under 100 in West Jefferson
2 results above the health goal. The worst: Arsenic at 6.0 ppb, above the health goal.
1 health-based violation since 2016
- Open report
Jefferson Lodge Mobile Home
Ohio · serves 400 people · under 100 in West Jefferson
2 results above the health goal. The worst: Arsenic at 1.2 ppb, above the health goal.
No 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 Columbus Public Water System’s water, which serves the most people here. Another utility’s report names what handles its own results.
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ZeroWater 10 Cup Pitcher (ZP-010)
Pitcher
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53checked Oct. 4, 2026
Certified for: PFOA, Lead
Aquasana Claryum Direct Connect (AQ-MF-1)
Under-sink carbon
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
Certified for: PFOA, Lead
Express Water StreamLine Direct Connect System (USC001)
Under-sink carbon
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
Certified for: PFOA, Lead
Water testing near West Jefferson
The 3 labs Ohio certifies closest to West Jefferson, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Superior Laboratories
Galloway, OH · about 6 miles
Certified for bacteria
MASI Laboratory
Plain City, OH · about 12 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
Benchmark Environmental Labs, Inc.
Columbus, OH · about 18 miles
Certified for bacteria
Which ZIP codes are in West 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: Ohio EPA, laboratories certified/accepted to perform analyses on public drinking water; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near West Jefferson
Towns nearby with a page of their own.
What to do next
- Read Columbus Public Water System’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for PFOARanked by certification and what they cost over five years.The best water filters for PFAS, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water