Is Sewell, NJ tap water safe?
The short answer
None of the 3 utilities serving Sewell has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records.
Washington Township Mua, which serves the most people here, has 1 result above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOA at 9.0 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 Sewell’s ZIP codes, from EPA’s estimates.
- Open report
Washington Township Mua
New Jersey · serves 48,000 people · about 1,900 in Sewell
1 result above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOA at 9.0 ppt, above EPA’s new limit, which takes effect in 2029.
No health-based violations since 2016
- Open report
Mantua Township Mua
New Jersey · serves 12,600 people · about 380 in Sewell
1 result above EPA’s new limit, which takes effect in 2029 and 2 results above the health goal. The worst: PFOA at 4.8 ppt, above EPA’s new limit, which takes effect in 2029.
No health-based violations since 2016
- Open report
Deptford Twp Mua
New Jersey · serves 30,561 people · about 130 in Sewell
Nothing in its records is above a health goal.
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 Washington Township Mua’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, 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, 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, Arsenic
Water testing near Sewell
The 3 labs New Jersey certifies closest to Sewell, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
South Jersey Water Test LLC
Williamstown, NJ · about 11 miles
Eurofins Built Environment Testing East
Cherry Hill, NJ · about 12 miles
NJ Labworks
Marlton, NJ · about 14 miles
ZIP codes in Sewell
Which ZIP codes are in Sewell: 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: NJDEP Office of Quality Assurance, certified drinking water labs; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Sewell
Other towns in Gloucester County with a page of their own.
What to do next
- Read Washington Township Mua’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