Welcome to Jersey WaterCheck’s evaluation center — the Benchmark Hub.

The Benchmark Hub helps utility managers and state leaders dive into the factors that contribute to the need for water infrastructure investment. Here you will find the details, measures, reports, results, and data that we’ve gathered for every water and wastewater system in the state.

Scroll down to view details and data for the selected measure.

Percentage of treated drinking water sent out for distribution that is not billed to customers (state-level)

At the state level, this metric shows the total amount of treated drinking water (million gallons per year) that leaves the treatment plant (i.e., is put into the system) but is not billed to customers, which is an indication of water losses and the uses of water for non-billed practices (e.g., flushing lines, fire fighting). Water and sewer lines are under the ground and subject to many stresses. Even the most effectively managed system will have leaks or, as in the case of a sewer line, inflow and infiltration. Water not billed to customers includes: water given for free to local governments such as for firefighting, water used for flushing mains, water theft, water lost through leaks, etc. Seismic activity, cold/hot cycles, and impacts of other activities or utilities near the pipe can all cause pipe leaks and breaks. Results are often available for larger systems, and less frequently for small systems except where required by regulatory agencies.

Once water is treated, it is sent out for distribution and customers are billed based on usage. Note that some water is not billed to customers for a variety of reasons mentioned above. Information from this metric can help educate your community about opportunities to reduce water loss and increase efficiency.

Note: The Delaware River Basin Commission (DRBC) compiles data for systems that withdraw over 100,000 gallons per day from ground or surface water sources over a 30 day period, using the American Water Works Association method; the Board of Public Utilities requires the AWWA method to be used by utilities it regulates. NJDEP currently uses a less detailed method.

Data Source: Delaware River Basin Commission (DRBC)

Click here see the related system-level measure.