Is Monroe, OH tap water safe?
The short answer
None of the 6 utilities serving Monroe has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Ohio’s records.
Monroe City PWS, which serves the most people here, has 1 result above the health goal. The worst: Lead at 0.61 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 Monroe’s ZIP codes, from EPA’s estimates.
- Open report
Monroe City PWS
Ohio · serves 15,600 people · about 10,100 in Monroe
1 result above the health goal. The worst: Lead at 0.61 ppb, above the health goal.
No health-based violations since 2016
- Open report
Middletown City PWS
Ohio · serves 51,229 people · about 5,200 in Monroe
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 4,400 in Monroe
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
Lebanon City
Ohio · serves 20,700 people · about 470 in Monroe
1 result above the health goal. The worst: Lead at 1.2 ppb, above the health goal.
No health-based violations since 2016
- Open report
Western Water Company
Ohio · serves 39,508 people · about 110 in Monroe
1 result above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOS at 14.1 ppt, above EPA’s new limit, which takes effect in 2029.
No health-based violations since 2016
- Open report
Lebanon Correctional Institution
Ohio · serves 3,410 people · under 100 in Monroe
2 results above the health goal. The worst: Arsenic at 3.8 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 Monroe City PWS’s water, which serves the most people here. Another utility’s report names what handles its own results.
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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 Monroe
The 3 labs Ohio certifies closest to Monroe, 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
Greene County Sanitary Engineering Laboratory
Beavercreek, OH · about 24 miles
Certified for bacteria, nitrate, minerals and other inorganics
Q Laboratories
Cincinnati, OH · about 27 miles
Certified for bacteria, nitrate
Which ZIP codes are in Monroe: 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 Monroe
Other towns in Butler County with a page of their own.
What to do next
- Read Monroe City 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