Category Archives: Colorado Foundation for Water Education

Watersheds are for Learning

By Sarah Johnson, MAEd, Water Educator Network Coordinator, Colorado Foundation for Water Education

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I love to teach. I am a connector. Thinking like a watershed is my nature, not my job. Rivers connect us to each other across communities, landscapes and time. We are part of our watersheds and influence our rivers; not separate. It is our profound responsibility to live and model stewardship of our waters ensuring their healthy existence for time to come. Now more than ever, it is critical that we work collectively to increase understanding of watershed systems, river science, water conservation, and climate literacy, and encourage participation in public life. And so, I am a watershed educator.

Fostering relationships with colleagues: veteran educators, emerging professionals, university students, water resource managers, urban leaders, rural experts and others across Colorado and beyond for the past two years has been a tremendous joy. Celebrating the success stories, listening to the learnings, and together sourcing and implementing proven resources and tools to increase effectiveness in meeting water education and outreach goals of organizations and agencies across the state has been energizing.

Learning from these experiences of offering workshops, building a network of educators, and sharing proven resources a few strong themes have emerged that may guide the future of water education across Colorado.IMG_3120

  1. Educators are Experts – Educators are experts at teaching, connecting with learners, and making content relevant to various audiences. Educators are professionals who have committed their lives to life-long-learning and are always seeking new ways to teach and reach their students of all ages. Learn from them how to turn our libraries of water information into relevant and accessible knowledge for communities. Leverage educators’ expertise often.
  2. An Abundance of Water Information and Content—Water Resource Managers and policy experts have oodles of water related data, information and content. These professionals need strategies, mechanisms and tools to share their data and content appropriately with their audiences and methods for making the content relevant to their learners. Share information effectively.
  3. Building Long Lasting Communities of Practice—To successfully transform educators’ and outreach professionals’ practice, continual support from colleagues and resource experts is necessary. Building collegial communities of practice among mixed groups of master educators, less experienced educators, water resource managers, and professional development coordinators can be powerful mechanisms to support increasing effectiveness of water education across Colorado. Foster strong learning communities.
  4. Direct Water and Snow Experiences—I came to love rivers, lakes and snow because I experienced them directly going fishing, floating, swimming, picnicking, spending time streamside pondering life’s biggest questions, cross country skiing, shoveling the drive, and embarking on backcountry hut trips. Always conduct water education experiences near a body of water (frozen or liquid) and include a quality direct experience during your program no matter how long or short. It is the direct experiences that typically have the strongest memorable impact while offering a bit of inspiration and fun. Get outside.

Coordinating the Colorado Foundation for Water Education’s Water Educator Network has significantly impacted my career trajectory and for this I am forever grateful. I will continue to connect people to people and people to projects across Colorado and beyond. I am committed to life-long learning and am addicted to exploring and implementing the newest best practices. Creating programs and opportunities based in places, and sharing watershed stories with learners and colleagues energizes me. There is currently great momentum and opportunity to prioritize working collectively to increase watershed literacy in the headwaters state and across basins. Let’s work together to see what more we can create to increase our collective effectiveness.

I will continue to reside in the Crystal River Watershed on Colorado’s Western Slope. Follow my latest projects and endeavors with Wild Rose Consulting as you may find yourself attending (or supporting) the 2nd Annual Educator River Institute at Western State or the Grand County River Workshop in 2018 among other projects that are to come.

IMG_4126Sarah R. Johnson coordinated CFWE’s Water Educator Network February 2016 – June 2017. Learn more about her current projects at www.wildroseconsult.com and reach her at wildrosewatereducation@gmail.com.

 

In a June letter to CFWE’s Water Educator Network members, Stephanie Scott, CFWE’s program manager, wishes Sarah the best:
 
The Water Educator Network would not be what it is today without the amazing Sarah Johnson. I am so thankful that she has been on board with us to help get the program started. It is no secret to anyone who has attended one of Sarah’s workshops that she gets a little more than excited about water education!! Sarah will continue to share her passion for water education here in Colorado and across the country as she has done with us. Thank You Sarah, for all the guidance for the Water Educator Network!!

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South Platte Bike Tour June 2017

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The 2017 Urban Waters Bike Tour started at Johnson Habitat Park and ended at Globeville Landing Park.

Each year, the Colorado Foundation for Water Education leads an urban waters bike tour through Denver. This tour is open to water professionals and citizens alike to learn about the South Platte Watershed and what is being done to make the 8-mile stretch of the river more user-friendly.  On my first day as a Colorado Foundation for Water Education intern, I was able to participate in the 2017 bike tour, offered by CFWE in partnership with the Barr Lake and Milton Reservoir Watershed Association and the Colorado Stormwater Council. We started at Johnson Habitat Park and ended at Globeville Landing Park, with a few stops in between, where we heard from multiple guest speakers about the health of the South Platte, opportunities for recreation, and current and upcoming projects along the river.

At Johnson Habitat Park, we heard from the executive director of The Greenway Foundation, Jeff Shoemaker. Shoemaker spoke about the days when the river was ecologically dead, especially at that specific location because it used to be a dump so the water was heavily polluted, and no fish were present in the water. In 1974, The Greenway Foundation started to clean up the pollution and restore the riparian environment by using rocks and plants to create a more natural, less urban setting. Today there are many cold water species such as carp and rainbow trout that not only live in the South Platte, but thrive in it. For The Greenway Foundation, the main focus in recent years has been restoring and creating riverfront parks along the South Platte to provide areas for recreation and learning opportunities for children. In addition, we heard from Scott Schreiber, a stream restoration engineer at Matrix Design Group who also serves as president of the Denver Trout Unlimited (DTU) chapter. Schreiber spoke about water quality and maintaining a healthy river. There are about 70 days out of the year when no water flows through the South Platte, which is of concern because the more water that is present in the river, the healthier it will be. In order, to address this problem, DTU negotiated with Denver Water to release 10 acre-feet on those no-flow days.

We then pedal our bicycles along the South Platte River to our first stop at Weir Gulch, where we heard from Jill Piatt-Kemper with the City of Aurora. Jill spoke about ways that the cities of Denver, Lakewood, and Aurora are working together to ensure that they handle stormwater properly, as it can be a source of pollution for the South Platte. Pavement and concrete increase the rate at which runoff from storms reach the river, and the water picks up pollution from parking lots or roads it flows through, depositing that pollution into the river. Piatt-Kemper’s work aims to keep water away from homes so that storms and flooding cause minimal property damage, create a habitat for wildlife

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Tour participants learn about stormwater at Weir Gulch.

along the riparian zone, and filter the runoff using grass. Filtering runoff is important because fish can’t survive when nutrient levels are too high in the river. The excess nutrients cause more plants to grow, therefore increasing the biological oxygen demand (BOD). An increase in BOD means that the plants are using all of the oxygen in the water, starving the fish of oxygen.  The grass along the riparian zone will filter these nutrients out, use the nutrients to grow, and deliver fresh water to the river.

Our next stop was at Shoemaker Plaza at Confluence Park. There, we heard from Mike

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Mike Bouchard with the City and County of Denver describing the reconstruction of Shoemaker Plaza at Confluence Park.

Bouchard who is a landscape architect with the City and County of Denver. Bouchard spoke about the reconstruction of Shoemaker Plaza and the history of Confluence Park which is where the city of Denver first started. In the early years, parts of the South Platte and Cherry Creek were used as the city’s sewer and dump, and became channelized as a result of urbanization. In 1965, a flood drowned the city and caused millions of dollars in damage. As a result, Chatfield Reservoir was built, making areas along the South Platte safe and accessible again. In order to increase river access, Denver started construction on Shoemaker Plaza in 1974. In spring 2016, reconstruction started to make the plaza larger and more user-friendly as the area is seeing more use. However, two months into the project, workers found coal tar, a byproduct of energy production. They had to stop construction in order to clean up

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Shoemaker Plaza at Confluence Park is under construction to improve river accessibility.

all of the coal tar to ensure that it did not make its way into the water. The site is now clean and construction can continue to create a place where people today and future generations will be able to come and enjoy Colorado’s most precious resource.

Our last stop was Globeville Landing Park where we heard from Celia Vanderloop from the City and County of Denver. Celia spoke about the North Denver Cornerstone Collaborative Project in the Globeville, Elyria, and Swansea neighborhoods. These neighborhoods are historically poor and have been neglected. This project will create a water feature that will hold water during large rain events in order to control flooding and give access to a green space, restore walkability, water quality, and water accessibility. Part of this project is to clean up the Superfund site near the Denver Coliseum.

As Denver continues to urbanize, there is an increased environmental impact. The challenge is to integrate having a thriving city and a thriving environment. Denver has done a great job in ensuring that the balance is met and that everyone has access to a green space or park where their children can explore and appreciate nature in our beautiful state.

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Eric Kuhn, 2017 Diane Hoppe Leadership Award

TONIGHT, Friday, May 12th, the Colorado Foundation for Water Education will celebrate water education and water leadership at its annual President’s Reception.  Each year, CFWE honors the work of a Coloradoan who has a body of work in the field of water resources benefiting the Colorado public, a reputation among peers and a commitment to balanced and accurate information, with the Diane Hoppe Leadership Award. This year, CFWE will recognize Eric Kuhn with the Colorado River District with this award.

Register here to attend the President’s Reception tonight at 6 p.m. at the Denver Art Museum. We’ll enjoy refreshments, a fun evening with friends, and our first ever LIVE AUCTION. We can’t wait to see you there!

Eric Kuhn, 2017 Diane Hoppe Leadership Award Recipient

By Greg Hobbs

Eric Kuhn WEB 1Eric Kuhn, “big thinker, deep thinker,” is how his colleague Jim Pokrandt describes him. Thirty-six years ago, in the spring of 1981, Kuhn moved from southern California to join the Colorado River District’s staff as assistant secretary engineer. As an electrical engineer, he served as a Navy submarine officer, earned a master’s in business administration from Pepperdine University, and worked with Bechtel Corporation’s power group on the San Onofre Nuclear Generating Station.

One of then-secretary engineer Rolly Fischer’s “greatest accomplishments” was hiring Kuhn, writes George Sibley in Water Wranglers a 75th anniversary history of the River District. “Whatever Kuhn might have lacked in water experience, he more than made up with a quiet and quick creative intelligence.” Another district colleague, Chris Treese, credits him with “maintaining harmony” in a 15-county district “naturally divided between tourism-dependent headwaters counties and more traditional ranching and mining counties.”

Harmony? Well, yes, maybe, for sure, and at times! The River District’s 15 board members are appointed by the boards of county commissioners representing a huge expanse of western Colorado, from west of the Divide to the Utah border, from the north slope of the San Juans to the Wyoming border. Differences are sure to arise given the changing needs and desires of sub-basins therein, but having common forums like the River District board is a good way to hash them out.

In 1937, just for such a purpose, the Colorado General Assembly created the Colorado River Water Conservation District together with the Colorado Water Conservation Board and the Water Conservancy District Act. The River District’s statutory mission is to “safeguard for Colorado, all waters to which the state of Colorado is equitably entitled under the Colorado River Compact.” In my preface to Sibley’s book, I describe this legislative charge as “an unusual example of tucking the outside skin of the fruit into its core and exposing its flesh to potential consumers.”

On becoming the River District’s general manager in 1996, succeeding Rolly Fischer, Kuhn assumed the neck-wrenching duty of keeping one eye on six downstream states and the Republic of Mexico, while keeping his other eye roving up and down Colorado’s Front Range spotting opportunities to protect western Colorado water. When he’s at home in Glenwood Springs, he focuses both eyes on an early morning bike ride along the Roaring Fork River and the Colorado River.

It’s at the conjunction of waters Kuhn works best. As a young River District engineer, he constantly hit the road to becoming an intrastate and interstate water diplomat. As a member of the Western Slope Advisory Council, Kuhn helped former Governor Richard Lamm’s Metropolitan Water Roundtable examine possible alternatives to Denver Water’s proposed transbasin diversion, Two Forks Dam and Reservoir.

Parked in No-Go throughout the 1980s, one of the project’s alternates was an exchange of water up the Blue River through the West Slope’s more senior Green Mountain Reservoir (1935 priority) to Denver’s junior Dillon Reservoir (1946 priority), for transport through Denver’s  Robert’s Tunnel. After the U.S. Environmental Protection Agency’s Two Forks veto in 1991, this exchange materialized as a separate project with construction of the River District’s Wolford Mountain Reservoir on Muddy Creek north of Kremmling, completed in 1996. Some of this water goes to protect the endangered Colorado River fish while some goes to Denver by exchange. Some is for West Slope use. Kuhn and former River District engineer Dave Merritt collaborated with Denver Water’s Manager Chips Barry, to get this joint-use project up and running.

The key to the deal was keeping intact the senior downstream Shoshone hydroelectric water right in Glenwood Canyon (1902 priority), in the face of Denver’s multidecadal, unsuccessful federal court effort to assert a domestic preference for the water over West Slope uses. Denver Water and Northern Water’s Municipal Subdistrict (in mitigation for the Windy Gap Project at the junction of the Fraser River and the Colorado) contributed funds to Wolford Mountain Reservoir’s construction and subsequent operation.

None of this was any more complicated than any other matter involving the Colorado River. Protecting Colorado’s water allocation under the 1922 Colorado River Compact requires an ongoing all-Colorado commitment to preserving Lake Powell’s water delivery equalizing function with Lake Mead, while implementing the Upper Colorado River Endangered Fish Recovery Program. Not to be forgotten in this milieu of water governance and politics is the cooperation of environmental groups, the Colorado Water Congress, the Bureau of Reclamation, the seven Colorado River Basin states, the Republic of Mexico, and the U.S. Congress. Healthy-as-can-be riparian habitat up and down the Colorado River, as it runs from Rocky Mountain National Park to the Sea of Cortez through Lake Powell and Lake Mead, is a goal worth pursuing. But achieving this in the midst of wicked drought, like the one we’ve just seen, is daunting.

Colorado’s new water plan, coordinated through the Colorado Water Conservation Board, nine local basin roundtables and a statewide Interbasin Compact Committee, aspires to many more collaborative agreements, like the Wolford Mountain agreement and the more recent Colorado River Cooperative Agreement that Denver Water, the River District and a score of others have entered into. When planning future projects, failure to take into account the risk of even greater droughts risks the state’s future.

This is why Kuhn rides his bike, gaining both a physical workout and thinking time. The Colorado River’s been good to him. He met his wife, Sue, in Glenwood Springs. They’ve raised their beloved daughters Hallie and Kenzie there. It’s a brainy, nuclear family composed of engineering, medical laboratory, bio-tech, climate change problem-solving geeks.

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Thanks for the Memories: A Farewell Message from Your CFWE Intern

logo_tagline_color_small copyToday is my final day as the Communications and Operations Intern for the Colorado Foundation for Water Education. Am I ready to leave? Not really—I want to stay forever. In the past when I got to the point of leaving a job, I really wanted to leave, so this is a new experience for me. Is it time for me to leave? Absolutely.

Is it time for me to leave? Absolutely.

diploma-152024_1280Not only am I graduating with my second bachelor’s degree on Friday, but I’ve also landed a fantastic full-time position as the Engagement Coordinator for the University Advancement/Alumni Relations Department at Metropolitan State University of Denver (Go Roadrunners!)! It is definitely time for me to settle into a non-school centric routine and allow another student to take advantage of the opportunities that I have had while working with the amazing women of CFWE.

I have learned so many things since I began working with CFWE last October—some about water, some about life. The blog posts that I have written during my time here reflect what I’ve learned about water, so for the purposes of this post, I’ll focus on the other lessons I learned during my time at CFWE.

RTD_TheRide_bus_6020,_route_0,_Englewood_StationOne of the biggest lessons was learning how to ride the bus. Laugh if you will, I’d never ridden the bus; my use of public transportation was limited to the lightrail. I know that it isn’t that difficult (now), but it felt intimidating none the less. Now, I can cross that off my “to do” list!

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Photo Credit: Nick Daws

I also learned that track changes can be a good thing. I spent many years being fearful of edits. Writing, even when informational or academic, is deeply personal. Something inside says that if you don’t like my writing, there must be something wrong with me. When a professor used to hand back a graded paper, I would look at the grade and quickly put it away, never exploring the possibility for improvement. This position forced me to face that fear and embrace a page full of red slashes and suggestions. With every acceptance of an insert or deletion, I better understood what I could do to make my writing stronger. I finally realized that, even when track changes make something look bad, it probably isn’t really that bad—like a lot of things in life.

Most importantly, I learned that the nonprofit/public sector is where I want to be—it gives me a feeling of purpose when the work I am doing is impacting someone or something in a positive way.

 

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Photo Credit: Sean MacEntee

So now, I pass the proverbial baton on to the next intern: You’ll cut your hands stuffing envelopes, stare at a screen filled with edits from Caitlin and suffer from writer’s block. In return, you will have the opportunity to speak with experts in the water field, write about topics that you are passionate about, learn things about water that you don’t yet know, publish your writing and support/be supported by a staff that cares about the future of Colorado’s water. I hope that you appreciate and enjoy the opportunity because it will be over before you know it!

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Photo Credit: CedricTheCat

Finally, I want to say “thank you” to everyone who has taken the time to read my blog posts and to those who took time out of their busy schedules to allow me to interview them so that I could write those posts. Writing them has been a fantastic experience. I have had the pleasure to speak with people in the water industry across the state of Colorado, to learn about topics that I knew virtually nothing about and to see how much hard work is being done to inform and educate the public about Colorado water.

I am eternally thankful to Jennie, Jayla, Stephanie and Caitlin for hiring me, for training me and for all of the time that was spent reading and editing my writing. I am so grateful that I got to be a part of your team! I am certain that I would not be where I am in my professional and personal life without your guidance and without this experience.

I am confident that, together, we will create a bright future for Colorado water!

Best,

Lynne Winter

P.S. Future Intern: Don’t try to fold more than two pieces of paper in the letter folder—I promise you’ll regret it.

 

 

 

 

 

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Drew Beckwith, 2017 Emerging Leader Award

This Friday, May 12th, the Colorado Foundation for Water Education will celebrate water education and water leadership at its annual President’s Reception.  Each year, CFWE honors the recent work of a young Colorado professional with the Emerging Leader Award. This year, CFWE will recognize Drew Beckwith with Western Resource Advocates with this award.

Register here to attend the President’s Reception this Friday at 6 p.m. at the Denver Art Museum. We’ll enjoy refreshments, a fun evening with friends, and our first ever LIVE AUCTION. We can’t wait to see you there!

Drew Beckwith, 2017 Emerging Leader Award

By Greg Hobbs

beckwithphotoDrew Beckwith, water policy manager for Western Resources Advocates, devotes himself to Colorado’s water conservation future. His particular focus is municipal water conservation and land use planning. A member of CFWE’s Water Leaders’ class of 2013, Drew helped shape the Citizen’s Guide to Water Conservation, Second Edition (2016). This guide explores a wide range of water-saving innovations for use in homes and cities, commerce and industry.

Drew’s a scholar, author and outdoorsman with west-wide perspective and experience. Growing up in Oregon, he graduated from Colorado College, where his senior geology thesis took him to Alaskan glaciers for the study of landforms and sedimentology. Drew then went on to obtain a master’s degree in Environmental Science and Management from the University of California at Santa Barbara. In southern California, he collaborated on stormwater control and reduction strategies for two watersheds around the City of Santa Barbara.

In Colorado, he dedicates his efforts to “healthy rivers and growing cities that have the water supply they need.” Achieving both of these are leading components of Colorado’s Water Plan. Drew is a frequent and articulate participant in water conservation workshops up and down Colorado’s Front Range. He cooperated with Colorado legislators to pass the rain barrel bill as a way to educate homeowners about the value of Colorado’s scarce water supply.

He especially enjoys helping local land use planning and municipal water supply entities get to know and work closely with each other. For example, he has helped convene city council persons, city managers, planning staff, and water providers of Aurora, Arvada, Broomfield, Castle Rock, Commerce City, Lakewood, Parker, Thornton, and Westminster for conservation workshops. He sees water reuse, good landscaping choices, and private sector expertise woven together in the design of attractive water-conscious communities. The three member team he leads for Western Resources Advocates is also assisting the Colorado River Basin states and the Bureau of Reclamation with implementation of water conservation savings and reuse measures throughout the basin.

Drew is a skier, a rafter, and a volleyball player. His wife, Melissa, a ceramic artist, has her own graphic design business. They settled in Louisville to enjoy the life and views of a great small town with their two young children, Macy, who is six, and Miles, three.

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The Runoff Conundrum

When a summer storm crosses the eastern plains, drowning farmlands in a deluge, more than water ends up flowing into Colorado’s rivers, lakes and streams.

On April 13, 2017, the Colorado Foundation for Water Education was joined by Troy Bauder, with Colorado State University Extension, for a webinar in which part of the discussion centered on nonpoint source pollution. Bauder focuses on working with agricultural producers to reduce nutrient losses on their fields.

Runoff, a nonpoint source, occurs when there is more water than the soil can absorb. Agricultural runoff carries a bit of everything it touches—excess fertilizer, animal waste, soil and more. Water that is not absorbed into the ground moves across the land, picking up whatever it can carry, and drains into surface water and groundwater sources.

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Photo Credit: Lynn Betts

“Ag nutrients—nitrogen (N) and phosphorus (P)—are absolutely required for productive agriculture,” Bauder says. “Of course, we need good management to prevent the accumulation of too much N and P in our soils and to reduce the potential for movement to surface and ground water.”

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Photo Credit: Dr. Jennifer L. Graham

When nitrogen and phosphorus—two nutrients found in agricultural runoff—are deposited in excess in water bodies, it leads to algal blooms, reduced dissolved oxygen content, which is harmful to aquatic plants and animals, and can compromise drinking water supplies.

If rain falls on 30 farms, with 20 of them using fertilizers to supplement nutrients in the soil, and the excess of these nutrients finds its way into the runoff, who is to blame for compromising water quality? Who is responsible for nutrient pollution? Since no one farm can be blamed for the degradation of water quality, agricultural runoff is a challenging nonpoint source pollutant to manage and regulate.

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Photo Credit: USDA

Colorado’s Regulation 85, a nutrient policy passed in 2012, regulates point sources of nitrogen, phosphorous and chlorophyll a in surface water, setting discharge limits and requiring monitoring; however, Regulation 85 currently allows for a voluntary, incentivized, approach for reducing nutrient pollution that originates in nonpoint source pollution.

“We’ve partnered with CDPHE [the Colorado Department of Public Health and Environment] to produce some resources and an outreach program called Colorado AG Water Quality,” Bauder continues. “The purpose of this outreach effort is to get the word out to growers about how Reg. 85 could potentially affect them.”

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Photo Credit: USDA

Taking ownership of nutrient pollution and implementing best management practices gives agriculture the opportunity to avoid stringent state regulations. In 2022, the current, voluntary, approach will be evaluated to determine if progress has been made with the implementation and adoption of best management practices (BMP) as they relate to nonpoint source pollution, agriculture and water quality. Additional regulations may be considered depending on the results.

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Conservation Tillage Photo Credit: USDA

Reducing nutrient pollution is achieved through the implementation of BMPs, including improvements in fertilizer management, conservation tillage, irrigation, manure handling and soil erosion. The adoption of BMPs by Colorado agricultural producers benefits agriculture, as well as water quality. When implemented successfully, not only will there be a reduction in nutrient pollution, but it will reduce the need for future regulation.

“We want to work with our growers on the agronomic and economic feasibility of these practices to help them understand how they can help their bottom line,” Bauder says.

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Nitrogen Application                              Photo Credit: Bob Nichols

BMP effectiveness depends on what is known as the 4 R’s: Growers need to use the right amount (rate), right placement, right timing and right source. Combined with improved irrigation management, these BMPs improve the efficacy of the nutrients and prevent the potential for movement, which often results in nonpoint source pollution. Irrigation management can include altering the method by which water is delivered with system upgrades, combined with scheduling watering at the right time of day and in the proper amounts to reduce runoff. Ultimately, implementing these BMPs will benefit the grower’s bottom line while simultaneously protecting water sources from being impacted by nutrients.

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Photo Credit: USDA

“It’s definitely important to engage growers early and often in the process,” Bauder concludes. “Not only the growers, but their representatives, commodity groups and the people who advise them.”

While nutrients are certainly necessary for successful and sustainable agriculture, the execution of BMPs will help mitigate nutrient loss and movement, and in turn, reduce nonpoint source pollution due to runoff. Providing incentives, tools and resources to growers is critical to BMP implementation and success, as well as keeping Colorado’s water sources clean and reducing the impact of nutrient pollution.

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Photo Credit: NOAA

Learn more about cyanotoxins, algal blooms, public health and efforts to reduce nutrients in our water when you listen to the recording of this April 2017 webinar presented by the Colorado Foundation for Water Education and offered in partnership with Colorado Water Congress with support from the Colorado Department of Public Health and Environment. Hear about how municipal recreational lakes are monitoring and working to reduce algal blooms, discover how agricultural producers coming together and implementing best practices to minimize nutrient runoff and learn the basics of toxic algal blooms.

hw_fall_2016_final_coverFind further coverage about this topic in the Public Health Issue of Headwaters Magazine.

Not a Headwaters subscriber? Visit yourwatercolorado.org for the digital version. Headwaters is the flagship publication of the Colorado Foundation for Water Education and covers current events, trends and opportunities in Colorado water.

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In Bloom

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Ferril Lake Without Algae                  Photo Credit: Rolf Krahl

Ferril Lake in Denver’s City Park is a favorite summer stop for those looking to relax in the sun or take a trip around the lake in a paddle boat. Last summer, a perfect storm of heat and increased nitrogen from goose droppings allowed algal blooms to thrive. Blooms of up to 10 feet thick sprung from the lake’s bottom and, at one point, coated nearly ninety percent of the surface—sidelining paddle boats, releasing a foul stench, destroying the aesthetics of the lake and causing additional ecological issues below the surface.

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Photo Credit: Justin Henry

The presence of blue-green algae, known as cyanobacteria, in Ferril Lake is not uncommon. An increase in nutrients—nitrates and phosphates—along with increasingly warm temperatures, encourage the growth of cyanobacteria in lakes, streams, ponds and other surface waters. For years, the city of Denver has been looking for solutions to the now annual, and growing, issue.

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Urban Runoff                         Photo Credit: Robert Lawton

In the case of Ferril Lake, the algal bloom is a result of non-point pollution sources—urban runoff (grease, oil and chemicals) from Denver’s streets and the aforementioned goose droppings. Other non-point pollution sources include the excess use of fertilizers, herbicides and insecticides from large-scale agriculture, as well as home gardens, energy production and sediment.

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Photo Credit: Hans W. Paerl

The presence and exponential growth of algae blooms in water sources deplete the water of dissolved oxygen, killing aquatic plant and animal life that depend on specific oxygen levels for survival. Without an increase in oxygen through treatments or during seasonal turnovers, lakes overrun with algae blooms will eventually “die,” unable to support life again.

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Photo Credit: Mary Cousins

 

In certain conditions, the cyanobacteria will also produce cyanotoxins, which are harmful to the environment, animals and humans, whether through direct contact, inhalation and/or ingestion. Human symptoms range from headaches, stomach cramps and allergic reactions to more severe cases of seizures and respiratory arrest. In the most extreme cases, contact with cyanotoxins can also lead to death. Coloradans in rural and urban areas are working together to monitor and address these threats to our water quality and public health.

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Photo Credit: Grendel Kahn

Learn more about cyanotoxins, algal blooms, public health and efforts to reduce nutrients in our water with a FREE webinar tomorrow Thursday, 4/13, at 9 a.m. Hear how municipal recreational lakes are monitoring and working to reduce algal blooms, learn about agricultural producers coming together and implementing best practices to minimize nutrient runoff and discover the basics of toxic algal blooms. Come ready to ask questions!

Offered in partnership with Colorado Water Congress with support from Colorado Department of Public Health and Environment.

Register here: https://attendee.gotowebinar.com/register/82877169749383938

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