Gallatin River Goes Neon-Green with Algal Blooms for Fifth Consecutive Year

Montana Dept. of Environmental Quality Needs to Identify Nutrient Pollution as the Causal Agent for Algal Blooms; Public Encouraged to Submit Comment to Protect River Neon-green algal blooms are plaguing the world-class Gallatin River downstream of Big Sky and the…

Support a Pollution Clean-Up Plan for the Gallatin River

The Problem Since 2018, the middle segment of the world-class Gallatin River has been plagued by widespread, noxious neon-green algal blooms. This scenic, wild, cold-water stretch of the Gallatin River is home to 3,000 wild trout per mile and supports…

FAQs: Gallatin River Middle Segment Impairment Designation

June 2022 Preliminary Determination of Impairment What’s being proposed? Based on a review of best available science from the past 10 years, the Montana Department of Environmental Quality (DEQ) has issued a preliminary determination that the middle segment Gallatin River…

State of Montana Determines Gallatin River ‘Impaired’ by Algal Blooms

Conservation Groups’ Petition Granted by Dept. of Environmental Quality  On Tuesday, June 14, the Department of Environmental Quality (DEQ) made a preliminary finding that the Gallatin River merits a Category 5 impairment designation under Section 303(d) of the federal Clean…

Glampground on the Gallatin: New development in the floodplain is bad for the river

A Gallatin Gateway landowner is asking Gallatin County permission to build a glamorous campground (“Glampground”) retreat facility on the bank of the Gallatin River with 63 sites that will include running water, sewage, power and gas utilities, as well as…

Gallatin River Algal Bloom – August 2018

The Gallatin River is experiencing a large, miles-long neon-green algal bloom for the first time in recent memory. The Algal Bloom: Waterkeeper first became aware of the emerging algal bloom on the Gallatin late July 2018.  A few members shared…

Update: Yellowstone Club Wastewater Spill and Steps Moving Forward

The illegal 35 million gallon wastewater discharge in the Gallatin River has stopped, but the larger issues of how Big Sky grows and addresses wastewater, stormwater, and landscape pollution remain. Update 1:    The Spill Has Stopped As of early Monday,…

Microplastics Study on the Gallatin!

The Gallatin River carries the mountain toward the sea. It carries our communities and our livelihoods. It carries our stories and dreams. And this river also carries something more ominous in its waters: Our garbage. Upper Missouri Waterkeeper is partnering with…