Eric Wieduwilt Deputy Director of Engineering James DuBois Permit and regulatory compliance officer 12000 years of rich history Cloudy water May 2013 Clear water June 2014 Santa Cruz River near A Mountain artists ID: 734272
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Slide1
a living river
Tracking changing Conditions along the effluent stretches of the Santa Cruz River
Eric Wieduwilt
Deputy Director of Engineering
James DuBois Permit and regulatory compliance officerSlide2Slide3
12,000 years of rich history
Cloudy water, May 2013
Clear water, June 2014
Santa Cruz River near “A” Mountain – artist’s
depiction in the State of the Santa Cruz RiverSlide4
Santa Cruz River near “A” Mountain, 1904Slide5
Graphics: Pima CountySlide6
T. Moody
Santa Cruz River near Ina Road, 2014
Santa Cruz River near
Tumacácori, 2015Slide7Slide8
How do we document changes?
Pima CountySlide9
Living
River report series tracks improvements on
river near Nogales
Effluent stretch in Santa Cruz County
2008-2010 water years
2008-2014 water year online summarySlide10
2013 Water Year
Baseline
2014 Water Year
2015 Water Year
2016 Water YearLiving
River reports expand to Tucson reach in partnership with Pima County
Slide11
Monitoring Programs Vary By Reach
Nogales Reach
Tucson Reach
Water quality
Friends of Santa Cruz River, ADEQ, National Park Service, Sonoran InstitutePima County Aquatic WildlifeNational Park Service, Sonoran Institute*Pima County, Sonoran Institute*Riparian VegetationSonoran InstitutePima CountyGroundwaterAZ Department of Water Resources, Sonoran Institutena
Flow Extent
Friends of Santa Cruz River, USGS
Pima County,
USGS
Social Impacts (odor)
na
Pima County
New Data
Existing Data
*Sonoran Institute is coordinator for multi-partner annual fish surveySlide12
Santa Cruz near TucsonSlide13
Pima County’s Living River Project
$300,000 EPA grant to Pima County for a 4-year study, to document changes in wetland condition following treatment plant upgrades – EPA hoped for us to document a 1
st ever before/after riparian assessmentSlide14
Pima CountySlide15
ROMP Upgrade Completed
in 2013 for $620 millionSlide16
ROMP UPGRADES CHANGE WATER QUALITYSlide17
Study Reaches
Three Rivers
Cortaro
Narrows
Marana FlatsSlide18
Water Clarity – sediment transport indicator
Before
After
Photos: Pima CountySlide19
Water quality and clarity improved
Cloudy water, May 2013
Clear water, June 2014
Pima County
Pima CountySlide20
Little to no ammonia
Ammonia, average mg/LSlide21
Sustained
increase in recharge reduces flow extent
23
miles
Flow In JuneDry DaysAt Trico Rd020132016
109
22
miles
16
miles
244
2015
19
miles
94
2014Slide22
14,964 acre-feet in 2013
30,889 acre-feet in 2014
34,033 acre-feet in 2015
32,324 acre-feet in 2016
28,845 acre-feet in 2017Increased InfiltrationPima County photoRemnant of Clogging Layer ‘Schmutzdecke’Slide23
Change Since UpgradeSlide24
Change Since Upgrade
Cut to Aquifer 42.3%
Recharge Credits
42.3%
Outflow atTrico11.6%ET3.9%ET4.0%Slide25
2017 Data Compared to 2013
Decreased from 63% in 2013
Cut to Aquifer 38.9%
Recharge Credits
38.9%Outflow atTrico18.2%ET4.2%Increased from 17%In 2013Slide26
Wetland plant cover reduced in drying sections
Live
Dead
Goodding
Willow CoverPima CountySlide27
Wetland plant cover varies with presence of water
2013
2015
2016
Trico Marana RoadPhotos: Pima CountySlide28
Increased DiversitySlide29
Increased Fish Diversity
Black Bullhead
Common Carp
Green Sunfish
Western Mosquitofish
Bluegill SunfishSlide30
Gila Topminnow returns after 70 year absence!
Sonoran InstituteSlide31
2017 – Return of the Native Fish
Mix of Mosquito Fish and Topminnow
Gila Topminnow Returns Bike Ride
Saturday, June 16, 8-10amSlide32
Minimal odor leaving the facility
Pima CountySlide33
Make new discoveries and learn about riparian and aquatic habitats. Slide34
Water Quality & Aquatic Observation
Poetry,
Art,
PhotosSlide35
Summary
River health improves
Flow extent reduced Continued outreach Community vision
Conservation prioritiesSlide36
Acknowledgements
our
FUnders
US Environmental Protection Agency
Pima County Regional Wastewater Reclamation DepartmentPima County Regional Flood Control DistrictCommunity IndividualsSlide37
Living River Project Team
Evan Canfield
, PC Regional Flood Control District
James DuBois
and Anna Martin, PC Regional Wastewater Reclamation Department Julia Fonseca and Brian Powell, PC Office of Sustainability and Conservation Wendy Burroughs, PC Natural Resources, Parks and Recreation Claire A. Zugmeyer, Ian Dowdy
, and
Amanda Smith
, Sonoran Institute
Elizabeth
Goldmann
, U. S. Environmental Protection Agency, Region 9 Slide38
Living River Project Technical Committee
Plácido
Dos Santos,
retired water expert
Jennifer Duan, University of Arizona Edward Curley, Pima County Regional Wastewater Reclamation Department (retired) Eve Halper, Bureau of Reclamation Akitsu Kimoto, Stantec John
Kmiec
, Town of Marana
Kendall
Kroesen
, Tucson Audubon Society (formerly)
Michael F.
Liberti
, City of Tucson, Water Department
Christopher
Magirl
, U. S. Geological Survey
Jean E. McLain
, University of Arizona
Brian Powell
, Pima County Office of Sustainability and Conservation
E. Linwood Smith
, Consulting Ecologist
Patrice Spindler
, Arizona Department of Environmental Quality
Juliet Stromberg
, Arizona State University
Robert Webb
, University of Arizona (retired)
Claire Zucker,
University of Arizona