If your drinking water comes from a community water system: You can get the most recent test results for your water system by contacting your water supplier or by accessing Drinking WaterWatch available here: [https://www9.state.nj.us/DEP_WaterWatch_public/index.jsp] The NJDEP Bureau of Safe Drinking Water is responsible for ensuring public water systems satisfy federal and state drinking water standards and the other provisions of the Federal and State Safe Drinking Water Acts. Contact the NJDEP Bureau of Safe Drinking Water Technical Assistance at (609) 292-5550, or [http://www.nj.gov/dep/watersupply/] If your drinking water comes from a private well: You are responsible for testing. The NJDEP recommends that you use a laboratory that is NJDEP-certified. You can call the NJDEP Office of Quality Assurance at (609) 292-3950 for information on laboratories certified to test drinking water or obtain information online at: [https://www13.state.nj.us/DataMiner] using the "Search by Category" option, select "Certified Laboratories", and search for "Certified Drinking Water Labs", "PWTA Laboratories Certified for Sampling", or "Laboratories Certified by Parameter". Well testing is required prior to the sale of residential real estate when a private well is the source of drinking water. For more information, contact the NJDEP Private Well Testing Program at (866) 479-8378 or visit: [http://www.nj.gov/dep/watersupply/pw_pwta.html] Private Well Testing Act Frequently Asked Questions: [http://www.nj.gov/dep/watersupply/pwta/pwta_faq.htm] NJ Private Well Testing Act Data Summary, by county, municipality, and 2 mile by 2 mile grid: [http://arcg.is/1CPkHyC] NJDOH, Drinking Water Facts: Private Wells, [http://www.nj.gov/health/ceohs/documents/eohap/pw_faq.pdf] NJDOH Drinking Water and Public Health Project, [http://www.nj.gov/health/ceohs/sanitation-safety/drinking-water-public-health/]