Trick or Treatment

Join Us for a Hauntingly Good Time!

Come celebrate Halloween with an educational twist at our 4th annual Trick or Treatment event! Enjoy trick-or-treating at tables hosted by local environmental and community organizations while learning about wastewater treatment.

Costumes are optional but encouraged! Please refrain from any costumes that may be seen as offensive or that include a weapon.

All goblins and ghouls are welcome!

If you would like to sign up as a community partner, fill out our registration form: Trick or Treatment Partner Registration

Date: October 24, 2026
Time: 10 a.m.-2 p.m.
Location: H.L. Mooney Advanced Water Reclamation Facility, 1851 Rippon Blvd. Woodbridge, VA 22191

Please note: Due to heavy construction at the facility, there will be no general on-site parking available. All attendees must use our shuttle service located at Mary G. Porter Traditional School, 15311 Forest Grove Dr, Woodbridge, VA 22191, which will run from 9:45 a.m.-2:30 p.m. Shuttles will transport guests to the event from 9:45 a.m. until 1:30 p.m. After 1:30 p.m., shuttles will only be available for return trips from the event back to the offsite parking location. Please be mindful of these times and plan your arrival and departure accordingly.

Limited on-site parking will be available for guests with handicap placards or license plates. Guests are also welcome to take our accessible shuttle from the off-site parking location to the event.