Is Williamsdale, OH tap water safe?
The short answer
Neither of the 2 utilities serving Williamsdale has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Ohio’s records.
Butler Co. Water District 2 PWS, which serves the most people here, has 1 result above the health goal. The worst: Lead at 3.0 ppb, 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 Williamsdale’s ZIP codes, from EPA’s estimates.
- Open report
Butler Co. Water District 2 PWS
Ohio · serves 116,572 people · about 130 in Williamsdale
1 result above the health goal. The worst: Lead at 3.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Hamilton Public Water System
Ohio · serves 62,447 people · under 100 in Williamsdale
1 result above EPA’s new limit, which takes effect in 2029. The worst: PFOA at 5.3 ppt, above EPA’s new limit, which takes effect in 2029.
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 Butler Co. Water District 2 PWS’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
Brita Tahoe Pitcher with Elite Filter (OB60, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
- IAPMO listing:NSF/ANSI 53checked Oct. 13, 2026
Certified for: Lead
Brita Everyday Pitcher with Elite Filter (OB46, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
Certified for: Lead
PUR PLUS 11-Cup Pitcher (PPT111W)
Pitcher
- NSF listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
Certified for: Lead
Water testing near Williamsdale
The 3 labs Ohio certifies closest to Williamsdale, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
ALS Environmental - Cincinnati
Cincinnati, OH · about 15 miles
Certified for lead and copper, metals, asbestos
Q Laboratories
Cincinnati, OH · about 22 miles
Certified for bacteria, nitrate
Greene County Sanitary Engineering Laboratory
Beavercreek, OH · about 32 miles
Certified for bacteria, nitrate, minerals and other inorganics
ZIP codes in Williamsdale
Which ZIP codes are in Williamsdale: 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 Williamsdale
Other towns in Butler County with a page of their own.
What to do next
- Read Butler Co. Water District 2 PWS’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for LeadRanked by certification and what they cost over five years.The best water filters for lead, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water