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The On-Site Water Demonstration Project OWDP site was funded through a Clean Water Act 319H grant overseen by the Arizona Department of Environmental Quality (ADEQ). The facility was designed and constructed in 2000/2001. The original purpose of the project was:

1. To test on-site water treatment systems.

2. To deliver training to local professionals.

3. To familiarize ADEQ employees with new residential wastewater treatment systems and techniques.

There has been a renewed interest in the facility by ADEQ and a regional professional organization, Arizona Onsite Wastewater Recycling Association (AzOWRA), to commission the facility after the project was shut down due to budget constraints. ADEQ, through regulatory requirements, is mandated to maintain a list of Arizona approved on-Site wastewater treatment systems. ADEQ is defining "on-site" as a wastewater treatment system capable of treating no more than 24,000 gpd (gallons per day). ADEQ and AzOWRA have approached NAU requesting the OWDP be modified into a test facility for potential on-site wastewater treatment systems. Although several changes to the existing OWDP will be required, the project focus is on improving the volume of wastewater effluent available to the site through a lift station and force main.