Summary: Most San Franciscans don’t know what La Grande Tank is. But residents of the Excelsior neighborhood, one of the most unsung parts of the city, certainly do. “I grew up on La Grande, right where that blue tower is,” said filmmaker H.P. Mendoza, referring to the Tiffany-blue McLaren Park water tower, a distinctive landmark easily spotted from Interstate 280 that dates to 1956. “I was really happy because I always wanted to get that blue tower in a movie.
