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Sacramento County led a cascade of area governments suing the state in an effort to block the Delta tunnels, saying the $17 billion project would harm local farmers, endangered fish and low-income communities at the south end of the county. The lawsuits come as the tunnels project, championed by Gov. Jerry Brown as a means of improving south state water supplies, makes headway with environmental regulators. In July, the state announced that the massive project complies with the California Environmental Quality Act, or CEQA, and wouldn’t hurt fish, wildlife or human health in the Sacramento-San Joaquin Delta.

Gov. Jerry Brown may have declared the drought emergency over in April, but don’t tell that to California’s plants and trees. According to a new study, not only do the effects of drought on the environment linger after it starts raining, but this “drought recovery” period is lasting longer than ever before, likely because of climate change.

The Southern Nevada Water Authority plans to spend up to $7.5 million in Mexico over the next 10 years in exchange for more Colorado River water. Authority board members unanimously approved the payments Thursday as they gave their blessing to a sweeping water-sharing agreement the U.S. and Mexico are expected to sign next month. The new pact, known as Minute 323 to the Mexican Water Treaty of 1944, spells out how much Mexico would have to reduce its river use during a shortage on the Colorado and how much extra water the nation would get in a surplus.

Seeking to freeze a contentious $16 billion waterworks plan supported by Gov. Jerry Brown, Sacramento County sued the California Department of Water Resources on Thursday over its certification of the project’s “dizzying” and “shifting” environmental review. In a 69-page lawsuit filed in Sacramento County Superior Court, the county says the plan known as the “California WaterFix” will harm residents and the environment in myriad ways. According to the petition, a judge should throw out the environmental certification and halt one of the largest public works projects in state history.