Is Ambler, PA tap water safe?
The short answer
1 of the 3 utilities serving Ambler has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Pennsylvania’s records: Horsham Water&Sewer Authority.
Ambler Boro Water Dept, which serves the most people here, has 2 results above EPA’s new limit, which takes effect in 2029, 3 results above the health goal and 1 result above EPA’s health benchmark. The worst: PFOA at 12.4 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 Ambler’s ZIP codes, from EPA’s estimates.
- Open report
Ambler Boro Water Dept
Pennsylvania · serves 20,000 people · about 590 in Ambler
2 results above EPA’s new limit, which takes effect in 2029, 3 results above the health goal and 1 result above EPA’s health benchmark. The worst: PFOA at 12.4 ppt, above EPA’s new limit, which takes effect in 2029.
No health-based violations since 2016
- Open report
North Wales Water Authority
Pennsylvania · serves 72,496 people · about 570 in Ambler
2 results above EPA’s new limit, which takes effect in 2029 and 3 results above the health goal. The worst: PFOA at 14.7 ppt, above EPA’s new limit, which takes effect in 2029.
No health-based violations since 2016
- Open report
Horsham Water&Sewer Authority
Pennsylvania · serves 26,000 people · about 240 in Ambler
3 results above the health goal. The worst: PFOA at 3.6 ppt, above the health goal.
1 health-based violation since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Ambler Boro Water Dept’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: PFOA, PFOS, Lead, 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: PFOA, PFOS, 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: PFOA, PFOS, Lead, Arsenic
Water testing near Ambler
The 3 labs Pennsylvania certifies closest to Ambler, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Eurofins Philadelphia - Horsham
Horsham, PA · about 3 miles
Certified for bacteria
Analytical Laboratories, Inc
Telford, PA · about 13 miles
Certified for bacteria, nitrate
Aqua Pennsylvania, Inc.
Bryn Mawr, PA · about 13 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, PFAS, 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 Ambler
Which ZIP codes are in Ambler: 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 Ambler
Other towns in Montgomery County with a page of their own.
What to do next
- Read Ambler Boro Water Dept’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for PFOARanked 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