Is Riverside, OH tap water safe?
The short answer
2 of the 5 utilities serving Riverside have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Ohio’s records: Montgomery County Water Services 1 PWS and Montgomery County Water Services 2 PWS.
Greene Co. - Northwest Reg Water, which serves the most people here, has 1 result above the health goal. The worst: Arsenic at 5.9 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 Riverside’s ZIP codes, from EPA’s estimates.
- Open report
Greene Co. - Northwest Reg Water
Ohio · serves 41,895 people · about 6,100 in Riverside
1 result above the health goal. The worst: Arsenic at 5.9 ppb, above the health goal.
No health-based violations since 2016
- Open report
Montgomery County Water Services 1 PWS
Ohio · serves 150,207 people · about 5,000 in Riverside
1 result above EPA’s new limit, which takes effect in 2029. The worst: PFOS at 9.6 ppt, above EPA’s new limit, which takes effect in 2029.
2 health-based violations since 2016
- Open report
Dayton Public Water System
Ohio · serves 141,407 people · about 4,000 in Riverside
1 result above EPA’s new limit, which takes effect in 2029. The worst: PFOS at 10 ppt, above EPA’s new limit, which takes effect in 2029. Hardness: hard, 131 to 150 mg/L (7.7 to 8.7 grains per gallon).
No health-based violations since 2016
- Open report
Huber Heights Public Water System
Ohio · serves 43,439 people · about 2,600 in Riverside
Nothing in its records is above a health goal.
No health-based violations since 2016
- Open report
Montgomery County Water Services 2 PWS
Ohio · serves 83,033 people · about 230 in Riverside
1 result above EPA’s new limit, which takes effect in 2029. The worst: PFOS at 7.6 ppt, above EPA’s new limit, which takes effect in 2029.
2 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 Greene Co. - Northwest Reg Water’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Arsenic
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: Arsenic
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Arsenic
Water testing near Riverside
The 3 labs Ohio certifies closest to Riverside, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Greene County Sanitary Engineering Laboratory
Beavercreek, OH · about 6 miles
Certified for bacteria, nitrate, minerals and other inorganics
Dayton Central Water Quality Laboratory
Dayton, OH · about 7 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
Pace Analytical Services, LLC - Dayton
Englewood, OH · about 14 miles
Certified for bacteria, nitrate, minerals and other inorganics
Which ZIP codes are in Riverside: 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 Riverside
Other towns in Montgomery County with a page of their own.
What to do next
- Read Greene Co. - Northwest Reg Water’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for ArsenicRanked 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