Category Archives: Recreate

Snow drought in an average year of precipitation for Truckee River

NRCS 4-24-2018 - Total Precipitation vs. Snow Water Equivalent for water year to date

The Truckee River watershed saw more rain than snow this year. So, this year appears to continue the trend of at least the last decade as rain replaces snow – especially at lower elevations. The maps show just how significant the effect is as we approach the end of the first month of spring. Many sites in the Truckee River basin (including the Tahoe basin) are reporting 101% of the longterm average for precipitation. The picture is different for snow water equivalent, however. Snow water equivalent (the amount of water in the snow pack) is almost or well below the longterm average for this date for sites at lower elevations. You have to go to the highest elevation sites to see average snow water equivalent conditions.

In the graphic below, the blue dots on the left represent sites where total precipitation is 101% and the white sites represent 100% of the long-term average. On the right the 3 sites (between 6400′-7700′) in red have 0% of snow water left; the orange sites have 50% of snow water left compared to the long-term average. Only the site at Big Meadow (8235′) shows 101% of snow water left and one site at Heavenly Valley (8500′) shows 100% of snow water left – both high elevation sites. Click on the graphic to see full size. Or check out the site yourself here.

NRCS 4-24-2018 - Total Precipitation vs. Snow Water Equivalent for water year to date

NRCS 4-24-2018 – Total Precipitation vs. Snow Water Equivalent for water year to date

If the trend continues as expected, there will be very little snow left to melt in the late spring and early summer. When snow disappears earlier, natural stream flow of tributaries and the Truckee River itself decrease. Less natural stream flow often results in additional releases from reservoirs or increased ground water pumping because of our long, dry summers.  Ultimately, it will negatively affect recreation and fish and wildlife that depend on water in the Truckee River.

Tahoe rises almost to its rim

Truckee River at 4,000 CFS December 10, 2016 during Sierra rains.

The “atmospheric river” resulted in rain throughout the central Sierra and the Reno area for most of Saturday, Dec 10, 2016. Rain was heavy in the mountains with snow confined to higher elevations. Consequently, runoff from the storm quickly entered the Truckee River below Lake Tahoe and sent flows approaching 5,000 cubic-feet-per-second through Reno and Sparks. That flow rate amounts to 2.2 million gallons of water per hour. The Truckee River hasn’t seen this rate of flow since 2012.

Graphic from USGS Lake Tahoe Gauge (Red annotations are mine)

Graphic from USGS Lake Tahoe Gauge (Red annotations are mine)

Lake Tahoe as of today is just a little more than 1/2″ from its rim. Water from Lake Tahoe begins to flow into the Truckee River once its elevation reaches 6,223 feet. Lake Tahoe dropped below its rim this summer after rising above its rim in the spring, but has been mostly below its rim since October 2014. (Click graph for full size)

The National Weather Service in Reno is forecasting more rain should begin Tuesday. It could be an exciting week for the Truckee River if we get a repeat of mountain rains. High flows are important to move sediment and create new places for trees, grasses and shrubs to grow and create habitat for fish and wildlife. Floods are damaging to infrastructure built in the flood plain of the river, but flooding helps keep rivers healthy. Keeping buildings out of the floodplain and away from the river is the best approach to protecting our property and limits damage from flooding without expensive flood “control” structures – flood walls, levees, and dams.

Now that the rain has ended (hopefully, more snow and rain is on the way), the river is dropping rapidly. At 10 pm on Sunday, Dec 11 the flow rate through Reno is less than 1,500 CFS.

Truckee River at 4,000 CFS December 10, 2016 during Sierra rains.

Truckee River in downtown Reno just above the Arlington Street bridge looking west at Whitewater Park.

Truckee River at 4,000 CFS December 10, 2016 during Sierra rains.

Truckee River at 4,000 CFS December 10, 2016 during Sierra rains.

Truckee River at about 200 CFS on December 4, 2016 during dry weather.

Truckee River at about 200 CFS on December 4, 2016 during dry weather.

Rain with more coming

Boreal Ridge Ski webcam screen capture on morning of 10/28/16

Lake Tahoe once again is seeing a bounce from a wet and warm weather system. As of the morning on Friday, October 28 Tahoe’s elevation has risen about 0.1 feet or just about 1.2 inches. If the rain continues, Tahoe will continue to rise as rain falls directly on the lake as well as additional inflow from streams.

Lake Tahoe Elevation October 28, 2016

Lake Tahoe Elevation October 28, 2016

Tahoe is a big lake so a 1.2″ rise represents a significant amount of water.  Rain should continue on and off today in the mountains and Truckee Meadows and then showers and rain again on Sunday.  The National Weather Service reports that we could set a precipitation record for October in Reno given previous wet storms and this series of storms. Snow levels at this point are high with rain on most of the mountain passes. By Sunday, the National Weather Service says snow levels will lower to around the Lake Tahoe elevation.

Below are captures of webcams from Boreal Ridge Ski and Heavenly Valley Ski areas around 8:38 am on Friday 10/28.  They show a sodden landscape – but free of snow at this point.

Boreal Ridge Ski webcam screen capture on morning of 10/28/16

Boreal Ridge Ski webcam screen capture on morning of 10/28/16. Boreal is on the crest of the Sierra Nevada and is just west of the divide between the Truckee River and the South Yuba River.

Heavenly Valley Ski webcam screen capture on morning of 10/28/16

Heavenly Valley Ski webcam screen capture on morning of 10/28/16. Southeast shore of Lake Tahoe from ski run above Stateline, NV.

One Truckee River Plan adopted by Washoe, Sparks, and Reno

Truckee River at 2nd Street in downtown Reno in June.

One-two-three – each of the local governments has now adopted the One Truckee River Plan when the Reno City Council unanimously voted for it on September 28. The Washoe County Commission and Sparks City Council approved the plan earlier this month. A year-long process established the plan with involvement of many citizens and groups and agencies from the community. The approved plan addresses numerous issues of the Truckee River (and tributaries) through the urban area of the Truckee Meadows.

Community members at the first "One Truckee River Plan" meeting in fall 2015.

Community members at the first “One Truckee River Plan” meeting in fall 2015.

The One Truckee River Plan phase one lays out goals for implementation as funding becomes available and a time-frame to accomplish them.

  • “Goal One: Ensure and protect water quality and ecosystem health in the Truckee River” has six specific objectives with more detailed sub-objectives dealing with storm water, watershed management, human impacts, trees and vegetation, wildlife habitat, and the proper functioning of the river and its floodplain lands to attenuate flooding.
  • “Goal Two: Create and sustain a safe, beautiful and accessible river connecting people and places” also has 6 specific objectives to address appropriate use and discourage illegal activities, promote planning and management between Cities and County, enhance public safety and access, ensure better transportation and restrooms, add public art and murals, provide housing for homeless and access to medical care as an alternative to living on the river.
  • “Goal Three: Create an aware and engaged community that protects and cares for the river” has five specific objectives to promote awareness and education of the river’s natural and cultural importance, increase student education and participation, add opportunities for activities for all, inspire culture of stewardship, and ensure easy access to information. The latter could include a Truckee River Visitors Center, a network of kiosks, encouraging collaboration to Native American cultural uses of the river, and opportunities to acquire land or protect natural or cultural resources.
  • “Goal Four: Create an aware and engaged community that protects and cares for the river” has four specific objectives to create a sustainable organizational model to make implementation of the plan successful, develop partnerships and raise awareness of the plan, bring in funding to support the plan, and improve our understanding of the condition of the Truckee River.

The One Truckee River Plan – OTR Plan – is probably the most comprehensive look, yet, at the needs of the Truckee River and how to make the river a better place to visit while improving water quality, safety, accessibility, and helping residents and visitors to understand what makes a river “healthy”.

Truckee River Walk along Riverside Drive.

Truckee River Walk along Riverside Drive.

Organizations which were key to pursuing and moving the plan to adoption are The Nevada Land Trust and Keep Truckee Meadows Beautiful. The National Park Service helped with funding and local and state agencies along with the Reno Sparks Indian Colony and the Pyramid Lake Paiute Tribe.

One of the key features to the plan is community education and involvement and that is always a positive to help make changes in the river corridor where they are very much-needed today. The next phase of the plan will address downstream of the Truckee Meadows where rapid development in Washoe County and Storey County continue to threaten the river and its vegetative corridor. Phase two of the OTR Plan may well be more controversial since industrial interests have dominated recently with construction of huge new buildings, roads, and bridges.

For now, we can celebrate a new approach to benefit our area’s most important natural resource – the Truckee River.

Truckee River, March 2015 - flows of 290 CFS through Reno are substantially below normal river flows.

Truckee River, March 2015

 

“One Truckee River” Plan moving ahead

Spearheaded by the Nevada Land Trust and Keep Truckee Meadows Beautiful with funding from the National Park Service, TMWA‘s Truckee River Fund, City of Reno, the Northern Nevada Water Planning Commission, and the Washoe County Ballot Initiative Question 1 fund, phase one of the “One Truckee River” plan is moving forward.  Stakeholder groups covering 9 issues are diving deeper into topics outlined in the first joint collaboration meeting held on September 30, 2014 at the McKinley Arts and Culture Center. Phase one of the plan covers 18 miles of the urban core of the Truckee River through the Truckee Meadows from Chalk Bluff to the Truckee Meadows Water Reclamation Facility (TMWRF).

The goals of the planning effort are to create a common vision for the river, provide for comprehensive planning, a forum for collaboration & communication, coordinated action, and funding.

The 9 stakeholder groups tackle issues that are often interrelated and multi-jurisdictional. Dealing with river health, public safety, and water quality, for example, involves at a minimum, understanding how to solve problems ranging from encampments along the River to increasing biodiversity of riparian species and finding funding to accomplish them.

Outcomes from the 9 issue areas go next to the core planning team which will be meeting in February 2016.  OnStrategy will produce a draft plan based on stakeholder input by late spring 2016. Public open house meetings on the “One Truckee River” plan are now scheduled for mid to late summer 2016.

Find more on the plan and its goals at onetruckeeriver.org.onetruckeeriverplanningvisionsheet1