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Sustainable Water Management and the Net Zero Water Initiative
July 19, 2016
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Recent NCRES Water Talk
Nov. 17BreWater: Making More Beer with Less Water
Feb. 16Intro to the Water-Energy Nexus
Mar. 15The Energy Water Nexus: Choices in Energy Generation
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Who is Brendle Group?
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What is Net Zero Water?
A pioneering, grassroots initiative focused on planning for and achieving water neutrality.
Water Neutral:
Using only as much water as falls on a site and eliminating all water quality impacts from the site.
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Why this Initiative? Why Now?
• Starts with what is available to inform what is needed
• Recognizes the importance of sustainable water management, especially in the face of climate change
• Considers quantity AND quality
• Fills a gap – less developed frameworks/tools (builds on net zero climate and energy trends)
• Creates an action plan for reducing impact –developing a footprint is only the first step
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History and Context
2011-2013Idea incubated at Brendle Group
Fall 2013 Initiative launched at Net Zero Cities
Fall 2014Phase 1 development & fundraising complete
Winter 2015Introduced Building Scale Toolkit
August 2015Launched Building Scale Toolkit
September 2015
Net Zero Water Month
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Net Zero Water ConsortiumProject Team
Program Sponsors
Technical Advisory Group
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NZW Planning Toolkit – Building Scale
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TOOLKIT ORIENTATION/DEMO
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Case Study 1: BG Headquarters
• Site: 13,000 sq ft
• Building: 5,000 sq ft
• Built in 1985
• Renovated in 2010
• Certified LEED Gold
• Water conserving landscape, end-use fixtures, and appliances
• Permeable pavement and rain gardens for stormwater management
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Case Study 2: The Alliance Center
• Site: 15,000 sf
• Building: 41,000 sf
• Built in 1908
• Renovated in 2004
• Certified as LEED Gold
• Water conserving end-use fixtures
and appliances
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Case Study 3: New Belgium Brewing
• Site: 2.1 million sf; Building: 205,000 sf
• Goal to reduce water consumption to 3.5 barrels of
water per barrel of beer this year (2014 = 3.96:1)
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• Step 1: Analysis Parameters
• Step 2: Land Use/Land Cover (soils, site areas)
• Step 3: Precipitation (average and dry conditions)
• Step 4: Water Use (indoor/outdoor)
• Step 5: Water Use – Annual Growth
• Step 6-8: Water, Stormwater, and Energy Cost
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Case Study Water Footprints
21
475
630.18
0.43
0.0
0.1
0.2
0.3
0.4
0.5
0
100
200
300
400
500
BG Headquarters Alliance Center
QU
ALI
TY (
PO
UN
DS)
QU
AN
TITY
(G
ALL
ON
S)
THO
USA
ND
S
Indoor Outdoor Total Phosphorus
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Case Study Water Footprints
475800
1,100
8
13
0
5
10
15
20
25
0
500
1,000
1,500
2,000
2,500
BG Headquarters Alliance Center New Belgium
QU
ALI
TY (
PO
UN
DS)
QU
AN
TITY
(G
ALL
ON
S)
THO
USA
ND
S
Indoor Outdoor Total Phosphorus Phosphorous - Retention Ponds & Bioswales
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Case Study Water Footprints
29
54
33
8
13
0
5
10
15
20
25
0
50
100
150
200
250
BG Headquarters Alliance Center New Belgium
QU
ALI
TY (
PO
UN
DS)
QU
AN
TITY
(G
ALL
ON
S)
MIL
LIO
NS
Indoor Outdoor
Process - Beer Process - Wastewater
Process - Net Consumed Total Phosphorus
Phosphorous - Retention Ponds & Bioswales
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• Step 1: Vision Statement
• Step 2-3: Water Supply/Quantity Targets
• Step 4-5: Water Quality Targets
• Step 6: Milestones
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Quantity• Average and dry year conditions• Total site area• Total building area• Total roof areaQuality• Previous site conditions• Local water quality target• Pre-development conditions
Goal Options
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Reduce use & stormwater impact
• 50 percent below baseline in 2016
• 80 percent below baseline in 2018
• Achieve NZW goal in 2020
– Dry Year Harvestable Rainwater target for quantity
– Pre-development Condition target for quality
BG Headquarters Vision and Goals
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Alliance Center Goal Options
83%
12%
41%
6%
0
50
100
150
200
250
300
350
400
450
500
Baseline Avg-Bldg Avg-Roof Dry-Bldg Dry-Roof
QU
AN
TITY
(G
ALL
ON
S)
THO
USA
ND
S
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New Belgium Goal Options
74%
58%66%
0
5
10
15
20
25
30
35
40
0
200
400
600
800
1,000
1,200
1,400
1,600
1,800
2,000
Indoor/OutdoorBaseline
Dry-Roof + Process (NetConsumed)
Avg-Site NBB Goal (3.5gal/gal)
MIL
LIO
NS
QU
AN
TITY
(G
ALL
ON
S)
THO
USA
ND
S
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• Input Dashboard: Selecting Strategies
• Refining Reduction Strategies
– Indoor Water Efficiency
– Outdoor Water Efficiency
– Water Supply and Reuse
– Water Quality
– Trading Credits
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Brendle Group Reduction Strategies: Quantity
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Brendle Group Reduction Strategies: Quality
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What’s Next for Net Zero Water?
• Building Scale Toolkit Is available for Free Download at: brendlegroup.com/water/netzerowater/buildingtoolkit
• Encourage distribution/use of building-scale toolkit and implementation of NZW concepts
• Further development of the building-scale
toolkit and the NZW concept at other scales
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CONTACT INFORMATION
Brendle Group Water Practice Area Lead & NZW Planning Toolkit Project ManagerBecky FedakBrendle [email protected]
brendlegroup.com/water/netzerowater
bit.ly/NetZeroWater