but karen cunningham has a ranch and draws water from what will be the salty side of the barrier. >> are my cow watered with salt water? is my sub irrigation going to turn salty? >>reporter: by the time the department of water resources removes the barrier next fall it will have spent 40 million dollars. the construction park will be 6 week, 24-7 job. >> easier to drop them in or pull them out. >> way easier to drop them in. because you walk in with a part open up the bottom and dump the rock in. pull it out you have to grab every every bucket full of rock out. >>reporter: easier more difficult out park is one reason that residents of the island worry. >> i don't feel confident because of the funning and cost of it. >>reporter: scott mack owns and runs the marina with his wife jamie. business rely on customers coming in off the water this barrier they say threatens both the economic and the ecosystem. >> tell betters can't get to us >> tell betters can't get to us. >>reporter: this is what happens when the state dissomething. so many win others lose all for the sake of a greater good