Montana Public Radio

Clark Fork River

The National Weather Service advises heavy rain is possible across portions of southwest, central and north central Montana over the next three days. It could lead to the flooding of streams, creeks, and rivers originating from the mountains.
National Weather Service-Great Falls

Widespread heavy rain showers are rolling through Montana Monday evening. They are expected to intensify through the week, meaning rivers and streams will soon be on the rise.

Steady rain and driving rain storms will be the predominant weather throughout the northern Rockies this week, according to National Weather Service-Missoula hydrologist Ray Nicolas.

Sponges: These Aquatic Oddities Are At Home In Montana

Jan 5, 2020
Spongilla lacustris, a widspread freshwater sponge often found under logs and rocks in lakes.
Kirt L. Onthank (CC-BY-SA-3.0)

Although many people associate these stone-like animals with the crystalline waters of the tropics, several species of sponges do occur in lakes and ponds across North America, including those of western Montana. 

This section of Silver Bow Creek that runs through Slag Canyon in Butte will be rerouted in EPA's "proposed plan" for changes to the 2006 Record of Decision.
Nora Saks / Montana Public Radio

A copper mining company and Butte-Silver Bow county agreed this week to a plan to pump more cold, clean water into local creeks. While the company and county call the deal a win-win, some are concerned about the downstream impacts.

A Montana based environmental research group released a report last week that shows evidence of plastic in more than half of Montana's waterways.

A slickens in Montana's upper Clark Fork basin. Slickens are areas devoid of life due to heavy metal contamination from mine waste.
Nora Saks / Montana Public Radio

Montana wildlife officials are investigating what’s being described as a "significant" fish kill along the banks of the Upper Clark Fork River.

Montana Fish, Wildlife and Parks fisheries biologist Nathan Cook fielded a report this weekend of several dead fish downstream of Warm Springs and upstream of Galen.

Freshwater diatom seen under a scanning electron microscope.
Courtesy UM Electron Microscopy Facility

The bottom of this shallow stream is covered with a complex community of algae, comprising many different species. Probably most abundant of all are the diatoms, many of which secrete a slippery mucus as they travel, leaving the rocks very slick.

From Evel Knievel to a 'Great Flood' and on to the dawning of the Superfund era, Episode 5 looks at the origins of the government program designed to force whoever made the mess to clean it up.

AR's operations manager, Ron Halsey, stands in front of the intake pipe that siphons water originating indirectly from the Berkeley Pit into this new water polishing plant. August 6, 2019.
Nora Saks / Montana Public Radio

37 years ago, Atlantic Richfield abandoned an open pit copper mine in Butte and allowed it to flood with toxic mine water. Now, the company estimates they’re one month away from proving they’re in control of the Berkeley Pit. MTPR's Nora Saks got a sneak peek of their new water treatment facility and has more.

A flood warning is in effect for parts of west Missoula.
National Weather Service Missoula

A flood watch predicted late last week for a portion of Missoula was upgraded to a warning Monday.

Northey Tretheway, with the Restore Our Creek Coalition, gives outgoing EPA Regional Administrator Doug Benevento a plaque honoring his work in Butte on March 21, 2019.
Nora Sacks / Montana Public Radio

In Butte Thursday, the Environmental Protection Agency set a date for an important milestone in the Mining City’s Superfund cleanup.

Next Friday, the agency says it will give federal court 135 days notice of filing a final consent decree laying out legally binding cleanup plans.

Pages