S8_11-15-04

• Basin: Statewide
• Title: SWSI Phase 1 Report - Section 8 Options for Meeting Future Water Needs
• Date: 11/15/2004
• Author: CWCB
• SWSI - Doc Type: Final Report

Section 8
Options for Meeting Future Water Needs
Table 8-1 Active Conservation Matrix
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1 Plumbing codes n/a* 2.5% 4.5% 6% $0
Fixture standards from National Energy Policy Act
2 Metering n/a* 4% 4% 4% $100
Leak detection 6.5% 8.5% 10%
3 All of the above Level 2 n/a* 5% 8% 10% $500
Education (7.5%) (12.5%) (16%)
Rebates for toilets and washers
Audits: residential and commercial
Landscape audits
Increasing rate structure
4 All of the above (Level 3) n/a* 10% 15% 20% $1,000
Steep pricing rate and surcharges (12.5%) (19.5%) (26%)
Rebate for landsca e chan es
Turf re lacement & restrictions
Rebates for irri ation sensors & controllers
Sub-metering of master-meter properties
Fixture retrofit upon sale of properiy
Ordinance eliminating single-pass cooling
5 All of the above (Level 4) n/a* 15% 25% 35% $2,000
Replacement of all inefficient water fixtures & appliances (17.5%) (29.5%) (41 %)
Eliminate leakage by all customers
Eliminate hi h-water usin landsca e
Install non-water usin urinals b non-residential customers
n/a* The 2000 level of water use implicit in the county gpcd values includes "currenY' conservation savings.
The percent reduction indicated for Levels 2 through 5 is "above and beyond" the Level 1 reduction; the cumulative percent reduction is
shown in parentheses.
Note that emergency conservation programs and short-
term drought-response restrictions are not included
among these long-term water conservation programs.
Temporary drought restrictions include requests for
voluntary demand reductions or mandatory water use
restrictions during drought conditions. This type of
demand modification usually involves drastic, temporary
behavioral changes such as not watering the lawn or
washing the car. Droughts can also result in permanent
water conservation benefits, such as retrofitting indoor
plumbing devices with more efficient water saving
devices or reducing or eliminating high water use
landscaping. During the most recent drought, it was
reported that mandatory restrictions resulted in short-
term water demand reductions of 20 to 30 percent
(Kenny and Klein 2004).
^ L~~el 2{6a~ic} M~I Cor~~~r~ation: This level of
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conservation consists of programs for metering and
leak detection, and can generally achieve about a
4 percent water demand reduction in addition to the
passive conservation reductions. It is assumed that
water providers would continue to fund programs to
maintain this level of savings in future years, thus the
estimated percent reduction is a steady percent.
L~vsl 3(Mod~rate) M~I Cons~nration: This level of
conservation typically includes programs for metering
and leak detection, education, rebates for water-
efficient toilets and washers, and a rate structure that
promotes effective water use. This level of effort
generally corresponds with implementation of the nine
water conservation measures recommended by the
CWCB for consideration in Colorado water
conservation plans. This level of conservation can
generally achieve about 5 percent water demand
reduction in the short- to mid-term (10 years).
L~v~l 4~A,ggr~ssiv~} M~I ~onserr+p~tion: This level
of conservation typically includes programs above
and beyond moderate conservation, including steep
pricing rate and surcharges, rebate for landscape
changes, residential and commercial audits, turf
replacement and restrictions, rebates for irrigation
sensors and controllers, sub-metering of master-
meter properties, and fixture retrofit upon sale of
properties. This level of conservation can generally
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$~ole'ri~ice Wo~e' $upplY Initia~ive
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