Aqua Pa Chalfont Water Quality (Pennsylvania) – 2025 Report Results

We read 12 results from Aqua Pa Chalfont’s 2025 water quality report. No results over a legal limit; 5 above a health goal or guideline.

Serves about 5,900 people · Water system ID PA1090005 · Read the district’s 2025 report (opens in a new tab)

Open this district in the water lookupCompare with your own test results, see the district map and get matched filters.

Results from the 2025 report

Each number is copied from the district’s report and links to the page it’s printed on. Where the report lists several plants, wells or purchased water, the highest is shown.

Contaminant	Result	Health goal	Legal limit	What it means
Arsenicaverage · range 1.4 to 1.8 · sampled 2024 · 2025 report, page 2	1.6 ppb	0.004 ppb	10 ppb	Above the health goal400x the health goal
Copper90th percentile of 22 homes tested, 0 over the action level · Customer taps · 2025 report, page 3	0.36 ppm	0.3 ppm	1.3 ppm (action level)	Above the health goal1.2x the health goal
PFOA (a PFAS)highest measured · range ND to 11 · 2025 report, page 2	11 ppt	0.007 ppt	14 ppt (Pennsylvania) now; 4 ppt from 2029	Above the federal limit that takes effect in 20292.8x the 4 ppt federal limit that takes effect in 2029; below the 14 ppt Pennsylvania limitNot a violation yet: EPA's 4 ppt limit is final, but water systems don't have to meet it until 2029.
PFOS (a PFAS)highest measured · range ND to 8.9 · 2025 report, page 2	8.9 ppt	1 ppt	18 ppt (Pennsylvania) now; 4 ppt from 2029	Above the federal limit that takes effect in 20292.2x the 4 ppt federal limit that takes effect in 2029; below the 18 ppt Pennsylvania limitNot a violation yet: EPA's 4 ppt limit is final, but water systems don't have to meet it until 2029.
Uraniumaverage · sampled 2023 · 2025 report, page 2	2.6 ppb	0.6 ppb	30 ppb	Above the health goal4.3x the health goal
Bariumaverage · range 0.08 to 0.3 · sampled 2024 · 2025 report, page 2	0.2 ppm	2 ppm	2 ppm	Below the health goal
Chlorinehighest monthly average · 2025 report, page 2	2.18 ppm	None set	4 ppm	Below the legal limit
Chromium (total)average · range 0.91 to 1.4 · sampled 2024 · 2025 report, page 2	1.2 ppb	None set	100 ppb	Below the legal limit
Disinfection byproducts (HAA5)average · 2025 report, page 2	1.7 ppb	None set	60 ppb	Below the legal limit
Disinfection byproducts (TTHM)average · 2025 report, page 2	3.2 ppb	None set	80 ppb	Below the legal limit
Lead90th percentile of 22 homes tested, 0 over the action level · Customer taps · 2025 report, page 3	Not detected	0.2 ppb	15 ppb (action level)	Not detected
Nitrate (as N)average · range 1.2 to 2 · 2025 report, page 2	1.7 ppm	10 ppm	10 ppm	Below the health goal

Utility results describe the whole system, measured where water enters the pipes, not your tap. Your home’s plumbing can add lead or copper.

EPA testing for PFAS and lithium

EPA’s own nationwide testing (UCMR 5) found these in Aqua Pa Chalfont’s water between Feb 2024 and Jan 2025. These are EPA lab results, separate from the district’s report. Anything not listed was not detected.

PFOA8.8 pptFound in 3 of 6 samples · highest resultAbove the federal limit that takes effect in 2029 (4 ppt)
PFOS19 pptFound in 3 of 6 samples · highest resultHighest sample is above the 18 ppt Pennsylvania limit. Compliance is judged on averages, not one sample.
PFHxS3.1 pptFound in 1 of 6 samples · highest resultNo federal limit in force for this one
PFBS5.5 pptFound in 4 of 6 samples · highest resultNo federal limit in force for this one
Lithium9.67 ppbFound in 3 of 6 samples · highest resultBelow EPA’s health reference level of 10 ppb

Source: EPA UCMR 5 occurrence data. The highest single result is shown; one high sample doesn’t mean every glass is that high.

What you can do

Nothing here is an emergency notice: if the district has a violation, it must tell customers directly. If you’d like to lower these at your tap, these are the treatments that remove them, and the catalog shows the models certified for each. Ranking is by certified removal; commissions never change the order.