Tillman Water Reclamation Plant The Donald C . Tillman Water Reclamation Plant is located in Van Nuys , Los Angeles , Southern California , on the ground of the Woodley Park , which is also known for its Japanese Garden . Its address is 6100 Woodley Avenue , between Victory Boulevard and Burbank Boulevard . The 2 . 63 hectare ( 6 . 5 - acre ) Japanese Garden , designed by Dr . Koichi Kawana , was built between 1980 and 1983 and celebrated its opening in 1984 . Named after city engineer Donald C . Tillman , the plant began operating in 1985 . Because of its futuristic look , the plant and garden are well known filming locations , mostly for their various " Star Trek " appearances mixed with matte painting s . The location can also be seen in episodes of " Knight Rider " ( 1986 ) , " Murder , She Wrote " ( 1993 ) , " Mighty Morphin ' Power Rangers " ( 1995 ) , " L . A . Heat " ( 1997 ) , " Charmed " ( 1999 ) , and " Numb3rs " ( 2009 ) and was featured in the action comedy " Dead Heat " ( 1988 , starring Joe Piscopo ) , the crime drama " Rising Sun " ( 1993 ) , the science fiction film " CyberTracker " ( 1994 ) , the action film " Red Sun Rising " ( 1994 ) , the comedy " Bio - Dome " ( 1996 ) , the comedy " Austin Powers : International Man of Mystery " ( 1997 ) , the thriller " Most Wanted " ( 1997 ) , the science fiction thriller " Terminal Error " ( 2002 , with Marina Sirtis and Michael Nouri ) , and the science fiction film " Sci - Fighter " ( 2004 ) . The first appearance of the location was seen in the first season episode in when the plant and the garden portrayed the surface of the planet Rubicun III . The scenes were filmed on . Extended with a matte painting by Illusion Arts , Inc . and Syd Dutton it made its second appearance in the fifth season episode in . This time it was used as the grounds of the Starfleet Academy on Earth . The cast and crew filmed the exterior scenes on Monday . This was the first time location manager Lisa White coordinated the filming with the cooperation of the Tillman Water Reclamation Plant associates Bob Krivak and Gene Green . According to the call sheet for this day , sunrise was at 6 : 56 a . m . and sunset at 5 : 20 p . m . The lunch break was between 12 : 00 and 12 : 30 p . m . and the catering service Cynthia ' s Distinctive Catering provided 110 hot lunches . Beside actors Patrick Stewart , Wil Wheaton , Ray Walston , and Richard Rothenberg , eighteen background talents and three stand - in s worked on location . It was also the first time DGA Trainee David G . Trotti worked on " The Next Generation " . The set decoration required two statues , fake rocks , flags and a flag pole , and a tool bin . The location shot extended with a matte painting from " The First Duty " was later re - used for the fifth season cliffhanger . The TNG Season 4 DVD special feature " New Life and New Civilizations " featured several shots of this location . The production of " Deep Space Nine " used the location in as Starfleet Headquarters ground in the fourth season episodes and . Again , matte paintings were added . Another matte painting including the Tillman Water Reclamation Plant can be seen in the seventh season episode portraying Starfleet Headquarters after the Breen attack . Outdoor scenes for the first season episode were filmed at the Tillman Water Reclamation Plant in . ( " Captains ' Logs Supplemental - The Unauthorized Guide to the New Trek Voyages " , p . 136 ) The plant ' s Japanese garden , normally seen in many other Star Trek episodes shot at the plant , is not seen this time , however , but rather the industrial - looking front part of the main building is shown portraying the building on the unnamed planet . In the location was again used as the Starfleet Academy for the fifth season episode . The location can be also seen in the sixth season episode via a recycled shot from . The Tillman Water Reclamation Plant was also added to a matte painting for several episodes of " Enterprise " again as location for Starfleet Headquarters . The matte painting first appeared in the first season episode and later in the episodes , , , and . A long shot was used in . Actors Adam Anello , Amy Kate Connolly , Bobby Pappas , and an unknown actress were placed in this shot .