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Some drought-stricken rivers and streams in Northern California's coastal forests are being polluted and sucked dry by water-guzzling medical marijuana farms, wildlife officials say -- an issue that has spurred at least one county to try to outlaw personal grows.

State fish and wildlife officials say much of the marijuana being grown in northern counties under the state's medical pot law is not being used for legal, personal use, but for sale both in California and states where pot is still illegal.
This demand is fueling backyard and larger-scale pot farming, especially in remote Lake, Humboldt and Mendocino counties on the densely forested North Coast, officials said.
"People are coming in, denuding the hillsides, damming the creeks and mixing in fertilizers that are not allowed in the U.S. into our watersheds," said Denise Rushing, a Lake County supervisor who supports an ordinance essentially banning outdoor grows in populated areas.
"When rains come, it flows downstream into the lake and our water supply," she said. Many affected waterways also contain endangered salmon, steelhead and other creatures protected by state and federal law. Click HERE to read more about this dilemma.