News and Highlights

Streams are teeming with many different kinds of bacteria, but until recently the technology has not existed to let scientists understand how the species composition of microbial communities is linked to water quality. Researcher Zachary Aanderud and his PhD student, Erin Jones, are studying the importance of bacteria in stream environments and their role in water quality for iUTAH. Breakthroughs in DNA sequencing technique allow iUTAH to be part of a new wave of aquatic ecology studies now taking place. Previously scientists could describe stream bacterial activity only in terms of total carbon – basically measuring the amount of bacteria, but not which kinds are present. Identifying the species present is useful because different types of bacteria are able to create different biochemical compounds, including ones that are considered pollutants. We now are able to analyze a stream's capacity to produce any number of pollutants, based on molecular activity represented in bacterial genomes. 

Their first study involved collecting water samples from high elevation-pristine sites to low elevation-urbanized sites in the Logan, Red Butte, and Provo watersheds. In the past, their lab had measured levels of a single bacterium, E. coli, at these sites, and recorded a definite increase in this species from high elevation to low elevation. The more urbanized sites showed a decrease in bacterial diversity – there were fewer species, and certain species tend to grow more dominant as they looked further downstream. Upon closer examination, the shift in bacterial community happened ABOVE heavy urbanization in all three watersheds. Instead, the shift corresponded to sites immediately downstream of dams (First Dam in Logan, Red Butte Reservoir in Red Butte, and Jordanelle Reservoir in Provo). This change occurred before there were significant changes in E. coli levels. 

This data, paired with water chemistry data collected by iUTAH researchers, will give huge insights to how bacteria communities interact with other water quality variables. By collecting samples during different seasons of the year we can see if these trends are consistent across different weather and flow patterns.

The iUTAH household water survey was mentions in an Environmental Monitor article on July 29, 2014. The article explains that as scientists and governments in the western U.S. continue to plan for how to meet the water needs of a growing population in a potentially drier climate, they’ll benefit from methods that move beyond scientific knowledge and let the voice of the people in the region come to the surface.

The Utah Household Water Survey is underway. Researchers from Utah State University and the University of Utah are collaborating with local municipalities across northern Utah to study water use, water policies, and water resource issues in Utah. This summer randomly selected neighbohoods in northern Utah are taking part in a water survey that will provide important information about water use in Utah households. Check out the Utah Household Water Survey page for more informatoin about the survey.

Utah Public Radio's Zesty Garden interviewed Utah Water Watch Coordinator, Brian Greene about harvesting rainwater on your own property. In his interview, he mentioned iUTAH research on green infrastructure.

Join the Western Water Assessment (WWA) and the Wasatch Dendroclimatology Research (WADR) Group—a joint effort of USU, BYU, and US Forest Service scientists— for a workshop to support the application of multi-century tree-ring reconstructions of streamflow in water management in northern Utah. 

Water resource engineers, managers, planners, consultants, and other water decision-makers are especially encouraged to attend. There is no charge for the workshop, but please RSVP to by September 15, 2013. Space is limited.