Nobody knows how widespread illegal cannabis grows are in California. So we mapped them
![Nobody knows how widespread illegal cannabis grows are in California. So we mapped them](https://www.cannabisindustry.news/wp-content/uploads/2022/09/d921fb63-84f0-5536-b106-d4cb725bdb28.jpg)
By 2013, illegal cannabis grows were such a destructive environmental force in California that state water regulators decided it time to go beyond their complaint-driven, piecemeal approach at enforc…