Cranford, Union County
Water treatment in Cranford, NJ
Cranford is served by New Jersey American Water's Raritan system. Much of that water starts in the Raritan and Millstone rivers and is disinfected with chloramines before it reaches Cranford's mains, so the byproducts of disinfection are the part of the report worth reading closely.
- Free installation
Water quality
What's in Cranford's water
From New Jersey American Water, Raritan system's latest annual water quality report. Your own test shows what reaches your tap.
New Jersey American Water, Raritan system
2025 test results · public water system NJ2004002
- Where it comes from
- 98 wells and 7 surface intakes on the Millstone and Raritan rivers and the Delaware & Raritan Canal, plus the Brunswick, Stockton, Passaic and other aquifers.
- Disinfectant
- Chloramines for river water and chlorine for well water. Residuals in the pipes ranged from 0.02 to 4 ppm, with a highest running average of 1.2 ppm.
- Hardness
- Not listed in the report. We measure it at your tap during the water test.
- PFAS
- PFOA up to 7 ppt and PFOS up to 6 ppt, within New Jersey's limits (14 and 13). Federal limits of 4.0 ppt each take effect in April 2029.
- Lead
- 2 ppb at the 90th percentile; none of the 54 homes tested was over the action level.
What it means in Cranford
Disinfection byproducts under the limit
Trihalomethanes reached a highest running average of 46 ppb at one sampling site in 2025, against a limit of 80. Haloacetic acids peaked at 35 ppb, against a limit of 60.
Bromate at 7 of 10
Bromate, a byproduct of treatment at the plant, measured up to 7 ppb in 2025. The limit is 10 ppb.
Lead comes from the house side
Lead at the 90th percentile was 2 ppb, but single homes tested as high as 15 ppb. The utility's mains aren't lead; the risk is in service lines and plumbing on the property.
Our systems
The systems Cranford homes usually need
Whole-Home Carbon Filter
City-water homes bothered by chlorine but not hard water
Details about the Whole-Home Carbon Filter
Tankless Alkaline RO
Replacing bottled water for drinking and cooking
Details about the Tankless Alkaline RO
Complete Home System
City-water homes that want every tap and appliance protected at once
Details about the Complete Home System
- Free installation
FAQ
Cranford water questions
Can't find what you're looking for? Call (856) 276-5310. A real person picks up.
What water system serves Cranford?
Cranford is on New Jersey American Water's Raritan system, public water system NJ2004002.
Should I worry about disinfection byproducts in Cranford?
Every Raritan sampling site met the limits in 2025. If you'd rather keep them out of your drinking water anyway, carbon filtration is a common way to reduce them at home.
How do I check whether my Cranford home has a lead service line?
New Jersey American Water has an online map at newjerseyamwater.com/leadfacts. Look up your address, and if the material is listed as unknown you can send them a photo of the pipe where it enters your house.
Water quiz
Find the right system for your home
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