Is Cranbury, NJ tap water safe?
The short answer
2 of the 3 utilities serving Cranbury have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: East Windsor Mua and South Brunswick Twp W Di.
East Windsor Mua, which serves the most people here, has 1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 25.1 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.
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 Cranbury’s ZIP codes, from EPA’s estimates.
- Open report
East Windsor Mua
New Jersey · serves 25,000 people · about 380 in Cranbury
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 25.1 ppb, above EPA’s health benchmark.
1 health-based violation since 2016
- Open report
NJ American Water - Raritan
New Jersey · serves 615,430 people · about 240 in Cranbury
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 7.5 ppt, above EPA’s new limit, which takes effect in 2029.
No health-based violations since 2016
- Open report
South Brunswick Twp W Di
New Jersey · serves 45,450 people · under 100 in Cranbury
1 result above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOA at 23 ppt, above EPA’s new limit, which takes effect in 2029.
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 East Windsor Mua’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Brita Tahoe Pitcher with Elite Filter (OB60, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
- IAPMO listing:NSF/ANSI 53checked Oct. 13, 2026
Certified for: Lead
Brita Everyday Pitcher with Elite Filter (OB46, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
Certified for: Lead
PUR PLUS 11-Cup Pitcher (PPT111W)
Pitcher
- NSF listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
Certified for: Lead
Water testing near Cranbury
The 3 labs New Jersey certifies closest to Cranbury, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
SGS North America Inc. - Dayton
Dayton, NJ · about 4 miles
Leco Laboratory
Hamilton, NJ · about 10 miles
Sadat Associates Inc.
Ewing, NJ · about 13 miles
ZIP codes in Cranbury
Which ZIP codes are in Cranbury: 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 Cranbury
Other towns in Middlesex County with a page of their own.
What to do next
- Read East Windsor Mua’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About LithiumWhat it does to health, where it comes from, and the certification claim that addresses it.About Lithium
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water