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Regional Water Planning and Implementation –
An El Paso Success Story
Ed Archuleta, President/CEO El Paso Water Utilities
September 2012
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Agenda
City of El Paso/El Paso Water Utilities Regional Water Resources Drought Desalination Sustainable Water Supplies Region E Planning Water Conservation Regional Planning Efforts Summary
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El Paso, Texas Profile
Sixth largest city in Texas Located in the Chihuahuan
Desert EPWU service area: 800,600
people Over 300 days of sunshine,
70° average daily temperature Low humidity and average
rainfall of 9”-10” per year
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El Paso Water Utilities Public Service Board
Created in 1952 by City ordinance
Comprised of 7 members to include the Mayor
The PSB sets policy, adopts fiscal budgets, rates and fees, and approves an annual strategic plan for 4 utilities
EPWU provides water service to 97 percent of
El Paso County (750,000+ residents)
EPWU’s capital improvement needs over the next
10 years are projected to be over $800 million
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EPWU Service Area
UPPER VALLEY WWTP
KAY BAILEY HUTCHISON DESALINATION PLANT
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Surface Water
Groundwater
Reclaimed Water
Desalination
Conservation
Importation
El Paso’s Diversified Resources
50-Year Water Resource Management Plan adopted in 1991
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Amount of sustainable water (Where is it going to come from?)
Cost (How to pay for development of water resources?)
When to implement these “new” programs?
Key Water Issues
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Regional Water Resources
MEXICO
UNITED STATES
Ciudad Juárez
TEXAS
NEW MEXICO
Mesilla Bolson
Hueco Bolson
Elephant Butte Dam
West Texas Aquifers
EL PASO
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Managing Drought in El Paso
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Increased Conservation &
Desalination
Reclaimed Water
Managing Drought
Surface Water Strategies
Emergency Management
Rule
Groundwater Strategies
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Drought History 19
97
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
Only 3 of the past 16 years has runoff
into Elephant Butte been above average
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2012 Drought Summary
EPWU received reduced river water allocation 37,000 AF compared to 60,000 AF River releases began late and ended early River gates at Caballo closed in the middle of
season Two river water treatment plants shut down Three week critical conservation period in May
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Bureau of Reclamation: Upper Colorado Region Historic Data
0
500,000
1,000,000
1,500,000
2,000,000
2,500,000 19
15
1920
19
25
1930
19
35
1940
19
45
1950
19
55
1960
19
65
1970
19
75
1980
19
85
1990
19
95
2000
20
05
2010
Acre
-Fee
t Elephant Butte Reservoir
Historic Levels
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Rio Grande Runs Dry May 12, 2012
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0
20
40
60
80
100
120
140
160
1-M
ay
2-M
ay
3-M
ay
4-M
ay
5-M
ay
6-M
ay
7-M
ay
8-M
ay
9-M
ay
10-M
ay
11-M
ay
12-M
ay
13-M
ay
14-M
ay
15-M
ay
16-M
ay
17-M
ay
18-M
ay
19-M
ay
20-M
ay
21-M
ay
22-M
ay
23-M
ay
24-M
ay
25-M
ay
26-M
ay
27-M
ay
28-M
ay
29-M
ay
30-M
ay
31-M
ay
1-Ju
n 2-
Jun
3-Ju
n 4-
Jun
5-Ju
n 6-
Jun
7-Ju
n 8-
Jun
9-Ju
n 10
-Jun
11-Ju
n
Mill
ion
Gal
lons
Water Resources Used
May – June 2012
Desalination Plant Stored Pond Water Surface Water Groundwater
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0
10,000
20,000
30,000
40,000
50,000
60,000
70,000
80,00019
6719
6919
7119
7319
7519
7719
7919
8119
8319
8519
8719
8919
9119
9319
9519
9719
9920
0120
0320
0520
0720
0920
11
Acre
/Fee
t per
Yea
r
Hueco Bolson PumpingIntegrated Water
Resource Plan Adopted
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Desalination Plant
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Kay Bailey Hutchison Desalination Plant
Opened in 2007 to deal with: Drought Emergency situations Growth Brackish water intrusion
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Desalination Plant Details
Up to 27.5 MGD capacity Raw water forced through
membranes to separate salts and contaminants
5 skids Usually runs at 1-2 skids Operated at full capacity for the first
time in May 2012
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Kay Bailey Hutchison Desalination Plant Production Jan. 2012– July 2012
100,000
200,000
300,000
400,000
500,000
600,000 Th
ousa
nd o
f Gal
lons
No Surface Water
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Kay Bailey Hutchison Desalination Plant
Award winning plant A model for other
water utilities Research facility Toured by national
and international visitors
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Concentrate Disposal
3 Injection Wells Surface Injection
Facilities Concentrate Pipeline
(22 mi) Less costly and less
environmental impact than evaporation
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Sustainable Water Supplies
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How We Got There?
EPWU reduced Hueco pumping in 1989 Fundamentally changed conclusion
reached in 1979 (depletion of fresh groundwater by 2030)
Resulted in a “nearly sustainable” supply Updated model developed by USGS New data collected during drilling
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Key Assumptions to“Nearly Sustainable Supply” for El Paso Portion of Hueco
EPWU pumping: 40,000 AF/yr in “normal” years 75,000 AF/yr in drought years
Juarez pumping: 120,000 AF/yr
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Previous Actions of Public Service Board
Extended availability of local supplies through Conservation Ordinance Investment in additional surface water rights
and treatment capacity Investment in wells Investment in desalination facilities Investment in transmission facilities Investments in data collection and model
development
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Future Fresh Groundwater Storage Decline
Average storage decline = 22,000 AF/yr Attribute all storage decline to fresh
groundwater area After 100 years: 75% of 2002 fresh groundwater storage
remains “Near sustainability”
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Region E Planning
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Importation of Water
Hudspeth
Jeff Davis
El Paso
Presidio
Culberson
Wild Horse Ranch
Wild Horse Ranch Acreage 20,946
Antelope Valley Ranch Acreage 24,778
Capitan Reef Farms Acreage 27,554
Antelope Valley Ranch
Dell City
Capitan Reef Farms
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Water Conservation
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Conservation Efforts in El Paso
EPWU reduced Hueco pumping in 1989. Made possible by:
Increased surface water use Rate structure changes Conservation Public education and awareness Increased reclaimed water use
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Campaign Objectives:
Decrease per capita water consumption
Increase awareness of water conservation April
– September
Brand El Paso as a conservation leader
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Media and Public Relations Efforts Continue
Watering schedule reminders TV and radio live interviews Community events and workshops Home Depot partnership El Paso Times partnership
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Regional Planning
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Planning with JMAS
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Areas of Interest Between the Two Water Utilities (EP/Juarez)
Continued interaction with regional partners
Tri-regional planning related to water within Rio Grande (TX/NM/Mexico)
Groundwater modeling of the aquifers
Exchange of information with regard to drilling, water consumption, water quality, water reuse, and reclaimed water
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Development of information with regard
to the joint management of the Bolsons along with water conservation, joint public affairs campaigns, media events, etc.
Development of a proposal(s) to
respective State and/or Federal governments for funding opportunities re: joint projects
Additional Areas of Interest
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Conclusions - Past and Present
Improved data and analytical tools have provided EPWU better information about the Hueco (Similar studies are needed in Mesilla Bolson)
Major Public Service Board water planning and policy implementation have improved conditions in Hueco: Diversification of water resources and
Pumping reductions; resulting in stabilized groundwater levels in many areas
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Regional water planning and implementation has been a success and must continue
Expected population growth will result in increased water demands
Continued need for the following: Expanding infrastructure
Development of non-traditional local supplies to
include re-use
Acquisition of data collection and analytical tools
Continued conservation
Summary
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GRACIAS / THANK YOU