Is Cambridge, OH tap water safe?
The short answer
2 of the 3 utilities serving Cambridge have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Ohio’s records: City of Cambridge and Guernsey Co. Water Dept..
City of Cambridge, which serves the most people here, has 1 result above EPA’s new limit, which takes effect in 2029. The worst: PFOA at 5.6 ppt, above EPA’s new limit, which takes effect in 2029.
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 Cambridge’s ZIP codes, from EPA’s estimates.
- Open report
City of Cambridge
Ohio · serves 10,520 people · about 660 in Cambridge
1 result above EPA’s new limit, which takes effect in 2029. The worst: PFOA at 5.6 ppt, above EPA’s new limit, which takes effect in 2029.
3 health-based violations since 2016
- Open report
Western Guernsey Regional Water District
Ohio · serves 3,225 people · under 100 in Cambridge
Nothing in its records is above a health goal.
No health-based violations since 2016
- Open report
Guernsey Co. Water Dept.
Ohio · serves 8,891 people · under 100 in Cambridge
1 result above the legal limit, 1 result above EPA’s new limit, which takes effect in 2029 and 1 result above EPA’s health benchmark. The worst: Haloacetic acids (HAA5) at 47.4 ppb, above the legal limit.
4 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 City of Cambridge’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
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
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
Water testing near Cambridge
The 3 labs Ohio certifies closest to Cambridge, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Coshocton Environmental Testing, LLC
Coshocton, OH · about 22 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
SafeSource Water Analytics LLC
McConnelsville, OH · about 27 miles
Certified for bacteria, nitrate
Ream & Haager Laboratories, Inc.
Dover, OH · about 35 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
ZIP codes in Cambridge
Which ZIP codes are in Cambridge: 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 Cambridge
Towns nearby with a page of their own.
What to do next
- Read City of Cambridge’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