Is Bascom, OH tap water safe?
The short answer
Neither of the 2 utilities serving Bascom has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Ohio’s records.
Aqua Ohio - Tiffin, which serves the most people here, has 1 result above the health goal. The worst: Nitrate at 12.5 ppm, 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 Bascom’s ZIP codes, from EPA’s estimates.
- Open report
Aqua Ohio - Tiffin
Ohio · serves 20,279 people · under 100 in Bascom
1 result above the health goal. The worst: Nitrate at 12.5 ppm, above the health goal.
No health-based violations since 2016
- Open report
Fostoria City
Ohio · serves 13,441 people · under 100 in Bascom
Nothing in its records is above a 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 Aqua Ohio - Tiffin’s water, which serves the most people here. Another utility’s report names what handles its own results.
Disclosure: TapBuff earns a commission if you buy through some links on this page. It does not change which standard or filter we name. As an Amazon Associate, TapBuff earns from qualifying purchases. How TapBuff makes money
Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Nitrate
Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Nitrate
Culligan 10-Cup Pitcher with ZeroWater Technology (ZEROP10)
Pitcher
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: Nitrate
Water testing near Bascom
The 3 labs Ohio certifies closest to Bascom, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
BoJhun Environmental Services
Fostoria, OH · about 6 miles
Certified for bacteria
Jones & Henry Laboratories
Northwood, OH · about 33 miles
Certified for nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
Erie County Health Department Laboratory
Sandusky, OH · about 34 miles
Certified for bacteria
Which ZIP codes are in Bascom: 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 Bascom
Towns nearby with a page of their own.
What to do next
- Read Aqua Ohio - Tiffin’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for NitrateRanked by certification and what they cost over five years.The best reverse osmosis systems, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water