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Is it the Cattle Causing Water Quality Problems? Bring in the Forensics Team!

Welcome to a new On Pasture Sponsor. The Art of Range podcast, hosted by Washington State University’s Tip Hudson, provides education and conservation through conversation. A new episode releases every two weeks. Click here to visit the website and see more episodes.

When water quality tests in the Mink Creek watershed came back showing high levels of E. coli bacteria, Idaho’s Department of Environmental Quality reported cattle as the probable cause, setting the grazing permitees up for possible problems. But were the cattle really the problem? In this two part series from the “Art of Range” podcast, you’ll meet the researchers who asked and answered this question.

The Mink Creek Watershed near Pocatello, Idaho is managed by the US Forest Service. In addition to providing grazing for several permittees, it’s also a popular recreation area for people with summer homes and campers who pull up their camp trailer and camp next to streams. So when the high bacteria reports came back, they were concerned.

Range monitoring by the Caribou-Targhee National Forest is showing an upward trend in range condition.

“We started looking back at our rangeland monitoring and figuring out that we’re meeting all of the best management practices for livestock grazing, that would protect water quality like stubble-height standards and utilization, and bank stability,” said said Robbert Mickelsen, Natural Resources and Planning Staff Officer for the Caribou-Targhee National Forest. “We knew we didn’t have all the information to solve this problem. We reached out to the University of Idaho, and said Help!”

Part One

Click to head to the website. You can listen there, or download the podcast for free from your favorite podcast service.

 

Enter our forensic scientists. In Part One of the podcast, you’ll meet all the scientists and find out about water quality regulations, how water quality is measured and the different risks levels that direct what kinds of actions will be taken. They talk about how they can use DNA testing to figure out if a bacteria came from a human, a cow, a dog or any type of animal. It’s great background for everything regulators consider when they talk about water quality in relationship to grazing and the kind of information you might need if your community is considering new grazing regulations in relationship to streams and ponds.

Part Two

Click to head to the website. You can listen there, or download the podcast for free from your favorite podcast service.

 

In a world where some people believe cattle are THE problem, it’s especially important to determine the source of any bacteria causing water quality problems. So, Part Two begins with a discussion of the potential regulatory actions against ranchers if the E. coli in the streams was caused by their cattle. Then the guests delve deeper into what’s required to get a good DNA analysis of the bacteria. They also talk about the importance of when they sampled and where they sampled, so they could get a good picture of what was happening overall in the watershed. Finally, they reveal the sources of the E. coli.

What’s Happening Now?

Now that the U.S. Forest Service knows more about that problem, they’re beginning to look at the next steps they can take to actually solve the problem. Had they not known the source of the bacteria, and simply gone with the assumption that cattle were causing the problem, steps they might have taken wouldn’t have addressed the real cause.

What can you do with this?

This two-part podcast is a great lesson in investigation and forensics that is more often associated with the Crime Scene Investigation TV shows than with grazing management. Any grazier who is facing questions about water quality, or additional regulations that may restrict grazing should check out these two podcasts, particularly Part Two where the researchers offer additional help.

Transcripts

Do you have a slow connection and it’s hard to listen to podcasts? Don’t worry! Here are transcripts for you.

Part 1 – Episode 68
Part 2 – Episode 69

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Kathy Voth
Kathy Vothhttps://onpasture.com
I am the founder, editor and publisher of On Pasture, now retired. My career spanned 40 years of finding creative solutions to problems, and sharing ideas with people that encouraged them to work together and try new things. From figuring out how to teach livestock to eat weeds, to teaching range management to high schoolers, outdoor ed graduation camping trips with fifty 6th graders at a time, building firebreaks with a 130-goat herd, developing the signs and interpretation for the Storm King Fourteen Memorial trail, receiving the Conservation Service Award for my work building the 150-mile mountain bike trail from Grand Junction, Colorado to Moab, Utah...well, the list is long so I'll stop with, I've had a great time and I'm very grateful.

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