Is Yardville, NJ tap water safe?
The short answer
2 of the 4 utilities serving Yardville have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: Trenton Water Works and Bordentown Water Departm.
Trenton Water Works, which serves the most people here, has 1 result above the legal limit and 1 result above the health goal. The worst: Total trihalomethanes (TTHM) at 58.8 ppb, above the legal limit.
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 Yardville’s ZIP codes, from EPA’s estimates.
- Open report
Trenton Water Works
New Jersey · serves 217,000 people · about 2,400 in Yardville
1 result above the legal limit and 1 result above the health goal. The worst: Total trihalomethanes (TTHM) at 58.8 ppb, above the legal limit.
20 health-based violations since 2016
- Open report
Aqua NJ - Hamilton Square
New Jersey · serves 39,128 people · about 1,300 in Yardville
2 results above EPA’s new limit, which takes effect in 2029, 1 result above the health goal and 1 result above EPA’s health benchmark. The worst: PFOA at 11.6 ppt, above EPA’s new limit, which takes effect in 2029.
No health-based violations since 2016
- Open report
Bordentown Water Departm
New Jersey · serves 15,821 people · about 380 in Yardville
2 results above the health goal. The worst: Lead at 2.2 ppb, above the health goal.
1 health-based violation since 2016
- Open report
Albert C Wagner Youth Co
New Jersey · serves 2,500 people · under 100 in Yardville
1 result above the health goal. The worst: Lead at 4.4 ppb, above the 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 Trenton Water Works’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Aquasana Clean Water Machine (AQ-CWM2)
Countertop
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), Lead
Brita Hub Countertop Water Filter System (87340)
Countertop
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
- IAPMO listing:NSF/ANSI 53checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), Lead
Ninja HydraSense Countertop Water Filtration System (WF1001)
Countertop
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), Lead
Water testing near Yardville
The 3 labs New Jersey certifies closest to Yardville, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Leco Laboratory
Hamilton, NJ · about 3 miles
Innovative Water Solutions Laboratories
Bordentown, NJ · about 8 miles
Sadat Associates Inc.
Ewing, NJ · about 9 miles
Which ZIP codes are in Yardville: 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 Yardville
Other towns in Mercer County with a page of their own.
What to do next
- Read Trenton Water Works’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About Total trihalomethanes (TTHM)What it does to health, where it comes from, and the certification claim that addresses it.About Total trihalomethanes (TTHM)
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water