Almost every time the City of Los Angeles solves one challenge, it seems to unlock Pandora’s box. For example, converting more than 1,200 miles of streams and rivers into concrete channels years ago to help control floods escalated every form of pollution.Today, this city of four million has more than 60 total maximum daily loads (TMDL) requirements covering the Santa Monica Bay, Los Angeles River, Dominguez Channel and Ballona Creek watersheds. About 100 million gallons of water flow through the storm drains on an average dry day. When it rains, flows can increase to 10 billion gallons, reaching speeds of
