WILDOMAR - The state Supreme Court has been asked to weigh in on a controversial proposal to build a college campus on land here that was tabbed for a regional park.

Riverside County, spurred by the Northern California counties of Marin and Napa, filed the petition with the court last week. The county is hoping the court overturns a recent appellate court ruling that upheld a 2006 Superior Court ruling.

The judge who issued the 2006 ruling determined that the county, which was trying to sell the land to the college district, needs voter or legislative approval before changing the property's zoning.

Mt. San Jacinto College wanted the land - 40 acres north of Clinton Keith Road in southwest Wildomar - to build a campus for 15,000 students, district officials have said.

The land, and 120 neighboring acres that has been declared protected habitat for endangered species, was purchased in 1994 by the county's Parks and Open Space District with the idea that it would become a regional park serving Murrieta, Lake Elsinore and Wildomar, said Riverside County Supervisor Bob Buster.

When Wildomar residents voted in 1999 to dissolve a local parks maintenance district, Buster started talking with the college district about selling the land to the district for a campus.

"They (Wildomar voters) changed the rules on us," he said.

The Northern California counties, Buster said, have offered to help pay for the Supreme Court review because the appellate court ruling could limit the ability of parks districts throughout the state to sell what he called "excess" parcels of parks land.

Earlier this month, the county Board of Supervisors unanimously voted to petition the Supreme Court and the petition was filed on Dec. 21, records show.

Some residents near the proposed site of the campus, open space in southeast Wildomar north of Clinton Keith, argued against the sale to the college, citing adverse traffic and environmental impacts. Many of those same residents preferred converting the land into a regional park, the original plan when the county's Regional Park and Open Space District bought the land, and a neighboring 80 acres, in 1994.

Some Wildomar residents have spoken in favor of the college's expansion plans, saying it would boost the area's quality of life.

Buster said that if the Supreme Court does not decide to hear the case, the county will attempt to have a bill passed in the state Legislature that would allow it to sell the land to the college.

He opposes putting it to a vote for cost reasons, saying it doesn't make sense for the county to pay to sell its message to voters in Blythe.

Wildomar resident Gerard Ste. Marie, who lives near the proposed campus site, sued the county in 2002 to stop the sale, which would have netted the county about $4.8 million at the time.

He wasn't surprised to hear that putting the matter to a vote isn't in the county's immediate plans.

"They don't want the voters in this area to decide it. They want politicians in places other than Riverside County to make the decision," Ste. Marie said Thursday.

The president of Mt. San Jacinto College's Board of Trustees, Joan Sparkman of Temecula, said the district is still interested in buying the land.

"I just don't know what century that might happen in," she said.

The land is a great location for the growing district, she said, because it's located near Interstate 15 and accessible to residents living in the western parts of the district.

"We're excited about getting the property because it's difficult to find such a large piece," she said.

Talking about the lawsuit and the potential for a drawn out appeal process, Sparkman said, "One person can stop a whole lot of things from happening."

Wildomar retiree Joe McCabe, a member of the county's Municipal Advisory Council, lives about a mile away from where the park was supposed to be built.

He said most of his neighbors preferred the park plan, even though it wasn't going to have amenities such as playgrounds or ballfields, because they were concerned about increased traffic, college students parking on residential streets and other such hassles.

"What are you going to put there, a business park, homes, a college or a park? Most people prefer a park," he said.

In an attempt to appease the residents, McCabe said the college proposed letting the community use the campus' sports fields when the school wasn't using them.

That wasn't much of a selling point though, he said, because residents figured access would be limited by practices that would run late into the evening and weekend games.

Contact staff writer Aaron Claverie at (951) 676-4315, Ext. 2624, or aclaverie@californian.com.