WASHINGTON (AP) — Crews are again draining the Lincoln Memorial Reflecting Pool as President Donald Trump’s problem-plagued effort to revamp the waterway pushes well past his initial goal of having it ready by July 4 to mark the nation’s 250th birthday.

The president at first suggested his renovations would last a century. But, within weeks of the project originally reaching completion last month, the water was beset by an algae bloom and pieces of the new coating appeared to be peeling off the bottom.

Trump has blamed the peeling on vandals, though critics allege it’s from shoddy repair work.