Transcript Wastewater Effluent & Reclaimed Water: Innovative

Wastewater Effluent & Reclaimed Water:
Innovative Strategies Now
and into the Future
Arizona League of Cities & Towns
August 21, 2014
Phoenix, Arizona
Kathleen M. Chavez, P.E.
Water Policy Manager
Pima County
Southern Arizona Water Users Association
Goals & Objectives
A Proactive Forum to
Protect the Quantity and
Quality of Water Resources
Within and Available to
Southern Arizona
15 Members
Avra Water
Green Valley
DWID
BKW Farms
Metro DWID
Community
Water of Green Oro Valley
Valley
Pima County
FICO
Red Rock
Flowing Wells ID Sahuarita
Kai Farms
Sahuarita Water
Marana
Tucson Water
Pima County
2010 Population 980,000
Unincorporated Population 353,000
Five Incorporated Jurisdictions
85% Land is Federal, State or Native American
Nine Wastewater Reclamation Facilities
3,400 miles of Sewer
Reclaimed Water Production
2012: 66,900 acre-feet*
896 AF
3,698 AF
511 AF
295 AF
100 AF
Pima County Metropolitan 92%
Pima County Non-Metropolitan 6%
Town of Sahuarita 1%
61,393 AF
Saddlebrooke Ranch 1%
Town of Marana <1%
U of A Tech Park <1%
Reclaimed Water Allocations
Metropolitan Facilities
2012 Allocations
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SAWRSA
City of Tucson
Pima County
Metro Water
Oro Valley
Flowing Wells
Spanish Trail
• Conservation Effluent Pool*
46%
41%
5%
4%
3%
1%
< 1%
0%
What Does Everyone Do With Their Water?
Allocation
(AF/yr)
Direct
Reuse
Off Channel
Recharge
In Channel
Recharge
LongTerm
Storage
Outflow at
Trico Road
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City of Tucson
25,092
Bureau of
Reclamation
28,200
Pima County
Metro
3,319
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Pima County
Non-Metro
3,698
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Metro Water
2,172
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Allocation Direct
(af/yr)
Reuse
Off
Channel
Recharge
Oro Valley
1,929
Sahuarita
896
Flowing
Wells
639
Saddlebrooke
511
√
Marana
300
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Spanish Trail
43
LongIn Channel
Term
Recharge
Storage
Outflow
at Trico
Road
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Water Quality Upgrades
Plant
Interconnect
Agua Nueva
WRF 32 mgd
Tres Rios
WRF 50 mgd
Class A+
Water
Regional Optimization Management Plan
Opportunities
Indirect Use
Replenishment
Direct Use
Environmental
Restoration
Reclaimed Water Strategies
Production
Opportunities
Allotment
Water Quality
Utilization
Long-Term
Storage