The Department of Public Works does not provide residential or commercial water or sewer service. Water and sewer utilities are provided by the Washington Township Municipal Utilities Authority (MUA). The MUA can be contacted at 908-876-3145
The following three sanitation carriers service Washington Township:
| Raritan Valley Disposal | 908-534-4004 |
| Sanico | 908-475-3300 |
| Waste Management | 908-879-5616 |
The following Utility Companies service Washington Township.
| Jersey Central Power & Light (First Energy) |
800-662-3115 |
| NIU Elizabethtown Gas Company | 800-242-5830 |
| Comcast Cable | 908-689-3355 |
The CATV Advisory Committee receives, investigates and resolves complaints by residents of Washington Township against the CATV provider when the resident has not achieved satisfactory resolution of a complaint made directly to the CATV provider.
Information about the complaint process is available from the Township Clerk. The CATV Advisory Committee also coordinates the community's use of public access programming and monitors the CATV provider's compliance with the CATV franchise ordinance.
The New Jersey Board of Public Utilities has an excellent web page located at: http://www.bpu.state.nj.us/
