Broward levees

A long-proposed Broward County water preserve could boost Broward drinking water supplies and create more of a buffer between the Everglades and Weston, Pembroke Pines and other western communities. (South Florida Sun Sentinel file photo)

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A proposed Broward County water preserve that could boost local drinking water supplies and help the Everglades may get sunk again by congressional inaction.

Local backers had hoped to get Congress this year to sign off on the long-planned, nearly $900 million Broward County Water Preserve Area, bordering Weston, Pembroke Pines, Southwest Ranches and Miramar.

Supporters are still pushing for a vote, but with election-year fighting adding to partisan paralysis in Washington, plans for the water preserve threaten to remain stuck on the shelf.

"Clean water is a No. 1 concern of voters. … If we can just get (Congress) to see that," said Cara Capp, of the environmental group Clean Water Action.