Horror movie where mother kills children in lake

A mother's only son dies through the carelessness of 4 teenage girls. Unable to live with his death, she sets out for revenge! She and her daughter (played by real-life mother and daughter Scream Queens Terri Lewandowski and Christine Cavalier) begin murdering the girls one by one!

Six teenagers decide to party one weekend, but before the partying begins one couple disappears. Only to be fount brutally murdered. A blood thirsty killer is stalking their summer playground. One by one bodies begin to show up, as they become prey to the venomous vengeance-seeking maniac.

A young man's mother comes from Louisiana to live with her son in San Francisco. What her son doesn't know is that Mom was confined to a mental hospital in Louisiana, and she murdered an orderly to escape.

Two sisters and their boyfriends drive to a small cabin to spend the weekend with the girls parents. However, when they arrive, they find them missing and the cabin in disarray. Things worsen as they become stranded at the remote lake, cars not starting, cell phones useless. As the autumn sun fades away something creeps from its lake dwelling in search of blood... human blood. And while the mystery of what happened to the parents unravels so too does the bond of friendship as pasts crash in on the present. Not everyone will survive the night, but those that do will be dead in the water.

A screenwriter does research for his new script by actually kidnapping and drowning young girls. He then places them in his "garden" of other dead girls coming back daily to check on them. One girl narrowly escapes and the other bodies are found leading to an ingenious plot to try and capture the killer.

Rebecca Haster blames herself for the death of her parents and decides to spend sometime alone in the lakeside cottage of her parents in Rushford Lake. She meets Stan James on the road and gives a lift to the stranger. Later they become friends, while Rebecca sees supernatural events with drowned people in the lake. While searching the accidents in the library, she finds that mysterious deaths happen in the spot every thirteen years.

A dead high schooler rises from her watery grave to take revenge on the jealous cheerleaders who drugged and murdered her.

A murder occurs at a lakeside cottage. The perpetrator's mother asks her daughter for help.

3 girls drive miles away on the outskirts of Shadow Grove to a secluded cottage beside a lake. Unbeknownst to them, evil spirits lie in the woods and there's a dead body in the water that won't stay down.

The mother from hell belittles her daughter and her neighbors and then has a frightening afternoon when a pair of grotesque clowns attack her in her pool. After a chase and battle for her life, she discovers the clowns are actually her neighbors, directed by her daughter to terrorize her. In the last moments of the film, the daughter gets her revenge, but pays the ultimate price.