Is Mercersburg, PA tap water safe?
The short answer
2 of the 2 utilities serving Mercersburg have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Pennsylvania’s records: Mercersburg Muni Water Auth and Whitetail Ski Resort.
Mercersburg Muni Water Auth, which serves the most people here, has 1 result above the action level and 1 result above the health goal. The worst: Lead at 31 ppb, above the action level.
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 Mercersburg’s ZIP codes, from EPA’s estimates.
- Open report
Mercersburg Muni Water Auth
Pennsylvania · serves 2,350 people · under 100 in Mercersburg
1 result above the action level and 1 result above the health goal. The worst: Lead at 31 ppb, above the action level.
5 health-based violations since 2016
- Open report
Whitetail Ski Resort
Pennsylvania · serves 912 people · based in Mercersburg
1 result above the action level and 1 result above the health goal. The worst: Lead at 16 ppb, above the action level.
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 Mercersburg Muni Water Auth’s water, which serves the most people here. Another utility’s report names what handles its own results.
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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: Lead, 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: Lead, Arsenic
Water testing near Mercersburg
The 3 labs Pennsylvania certifies closest to Mercersburg, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
SPL-Chambersburg
Chambersburg, PA · about 19 miles
Certified for bacteria
Laboratory, Analytical and Biological Services, Inc
New Oxford, PA · about 46 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics
Pace Analytical Services, LLC - Altoona, PA
Altoona, PA · about 54 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, radioactivity
Penn State Agricultural Analytical Services Laboratory: Drinking water test kits from many county Extension offices, mailed back to the lab overnight with payment. Packages cover bacteria and basic chemistry, with add-ons for nitrate, metals, lead, and mining or gas drilling concerns. The standard package of bacteria, pH and total dissolved solids is $60, or $70 with nitrate; bacteria alone is $40, nitrate $15 and lead $25. Drinking Water Testing, Penn State Agricultural Analytical Services Lab.
All 108 certified labs for PennsylvaniaZIP codes in Mercersburg
Which ZIP codes are in Mercersburg: 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: Pennsylvania DEP Laboratory Accreditation Program, accredited labs for drinking water; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Mercersburg
Other towns in Franklin County with a page of their own.
What to do next
- Read Mercersburg Muni Water Auth’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