Is Caldwell, OH tap water safe?
The short answer
2 of the 3 utilities serving Caldwell have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Ohio’s records: Pure Water Corporation and Pure Water System 2 PWS.
Caldwell Village PWS, 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 13 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 Caldwell’s ZIP codes, from EPA’s estimates.
- Open report
Caldwell Village PWS
Ohio · serves 3,300 people · under 100 in Caldwell
1 result above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOA at 13 ppt, above EPA’s new limit, which takes effect in 2029.
No health-based violations since 2016
- Open report
Pure Water Corporation
Ohio · serves 1,989 people · under 100 in Caldwell
Nothing in its records is above a health goal.
2 health-based violations since 2016
- Open report
Pure Water System 2 PWS
Ohio · serves 279 people · based in Caldwell
Nothing in its records is above a health goal.
1 health-based violation since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Caldwell Village PWS’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 Caldwell
The 3 labs Ohio certifies closest to Caldwell, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
SafeSource Water Analytics LLC
McConnelsville, OH · about 16 miles
Certified for bacteria, nitrate
Microbac Laboratories, Inc. - Marietta Division
Marietta, OH · about 21 miles
Certified for nitrate, lead and copper, metals, minerals and other inorganics, PFAS
Coshocton Environmental Testing, LLC
Coshocton, OH · about 43 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
ZIP codes in Caldwell
Which ZIP codes are in Caldwell: 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 Caldwell
Towns nearby with a page of their own.
What to do next
- Read Caldwell Village PWS’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