DescriptionSacramento and Feather River diazinon improvements.jpg
English: This file represents compliance monitoring sites, impaired waters and delisted waters with references to which is what in the legend up top. It is a map of some of Northern California's Sacramento River water system and represents water quality improvement through reduction of diazinon.
Uploaded a work by State Water Resources Control Board from https://www.epa.gov/sites/default/files/2013-06/feather-sac-improvements-map.jpg with UploadWizard
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):