Is Trappe, PA tap water safe?
The short answer
2 of the 7 utilities serving Trappe have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Pennsylvania’s records: PA American Royersford and Collegeville Trappe Joint PWD.
North Penn Water Authority, 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 6.2 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 Trappe’s ZIP codes, from EPA’s estimates.
- Open report
North Penn Water Authority
Pennsylvania · serves 91,941 people · about 630 in Trappe
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 6.2 ppt, above EPA’s new limit, which takes effect in 2029.
No health-based violations since 2016
- Open report
PA American Royersford
Pennsylvania · serves 49,508 people · about 570 in Trappe
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 15.4 ppt, above EPA’s new limit, which takes effect in 2029.
1 health-based violation since 2016
- Open report
Collegeville Trappe Joint PWD
Pennsylvania · serves 8,470 people · about 540 in Trappe
1 result above the legal limit, 1 result 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 223 ppt, above Pennsylvania’s limit.
1 health-based violation since 2016
- Open report
Aqua PA Perkiomen Township
Pennsylvania · serves 3,600 people · about 330 in Trappe
2 results above EPA’s new limit, which takes effect in 2029, 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: PFOA at 12 ppt, above EPA’s new limit, which takes effect in 2029.
No health-based violations since 2016
- Open report
PA American Norristown
Pennsylvania · serves 88,885 people · about 320 in Trappe
3 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 16.2 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
PA American Audubon
Pennsylvania · serves 8,200 people · about 150 in Trappe
2 results above the limit’s level with no violation recorded, 3 results above the health goal and 1 result above EPA’s health benchmark. The worst: PFOS at 60.3 ppt, above the limit’s level, no violation.
No health-based violations since 2016
- Open report
Aqua PA Perkiomen Woods
Pennsylvania · serves 1,100 people · under 100 in Trappe
2 results above EPA’s new limit, which takes effect in 2029 and 3 results above the health goal. The worst: PFOS at 22 ppt, above EPA’s new limit, which takes effect in 2029.
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 North Penn Water Authority’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, Arsenic, Lead
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, Arsenic, Lead
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, Arsenic, Lead
Water testing near Trappe
The 3 labs Pennsylvania certifies closest to Trappe, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Analytical Laboratories, Inc
Telford, PA · about 10 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
Eurofins Philadelphia - Horsham
Horsham, PA · about 15 miles
Certified for bacteria
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 Trappe
Which ZIP codes are in Trappe: 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 Trappe
Other towns in Montgomery County with a page of their own.
What to do next
- Read North Penn Water Authority’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