Is Middletown, OH tap water safe?
The short answer
None of the 6 utilities serving Middletown has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Ohio’s records.
Middletown City 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: PFOS at 4.3 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 Middletown’s ZIP codes, from EPA’s estimates.
- Open report
Middletown City PWS
Ohio · serves 51,229 people · about 15,800 in Middletown
1 result above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOS at 4.3 ppt, above EPA’s new limit, which takes effect in 2029.
No health-based violations since 2016
- Open report
Butler Co. Water District 2 PWS
Ohio · serves 116,572 people · about 7,600 in Middletown
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
Franklin Public Water System
Ohio · serves 11,690 people · about 1,500 in Middletown
1 result above EPA’s new limit, which takes effect in 2029 and 2 results above the health goal. The worst: PFOS at 4.1 ppt, above EPA’s new limit, which takes effect in 2029.
No health-based violations since 2016
- Open report
Southwest Regional Water District
Ohio · serves 42,856 people · about 1,400 in Middletown
1 result above the health goal. The worst: Lead at 1.4 ppb, above the health goal.
No health-based violations since 2016
- Open report
Carlisle City PWS
Ohio · serves 1,675 people · about 220 in Middletown
1 result above the health goal. The worst: Lead at 1.7 ppb, above the health goal.
No health-based violations since 2016
- Open report
Catalina Mobile Home Park
Ohio · serves 1,280 people · under 100 in Middletown
1 result above the health goal. The worst: Lead at 0.7 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 Middletown City 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: PFOS, 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: PFOS, 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: PFOS, Lead
Water testing near Middletown
The 3 labs Ohio certifies closest to Middletown, 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 20 miles
Certified for lead and copper, metals, asbestos
Greene County Sanitary Engineering Laboratory
Beavercreek, OH · about 23 miles
Certified for bacteria, nitrate, minerals and other inorganics
Dayton Central Water Quality Laboratory
Dayton, OH · about 23 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
Which ZIP codes are in Middletown: 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 Middletown
Other towns in Butler County with a page of their own.
What to do next
- Read Middletown City PWS’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for PFOSRanked 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