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Last modified
1/26/2010 2:30:31 PM
Creation date
10/12/2006 2:48:46 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8282.500
Description
Colorado River Operations
Basin
Colorado Mainstem
Date
3/13/2000
Author
CWCB
Title
Colorado River Reservoirs Proposed Interim Operating Criteria
Water Supply Pro - Doc Type
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<br />NOTE: Bold .type clenotes changes from one step to the next within an interim criteria proposal. <br /> <br />Nonnal Year <br />water Consumption <br />lake Mead Storage Bev. <br />lake Mead Storage Contents <br />lake Mead storage ab Min Power <br />5-year Drought Frequency <br />lake Mead Elev at end 5-year <br />Drought <br />California CU limit <br />Colorado River Aqueduct <br />Nevada CU limit <br />SNWA Needs <br />Arizona CU limit <br />Proposed Rule <br /> <br />partiaIM&ISurn!lH; <br />Water Consumption <br /> <br />lake Mead Storage Elev. <br />lake Mead Storage Contents <br />Drought Frequency <br />lake Mead Elev at end 5-year <br />Drought <br />California CU limit <br />Colorado River Aqueduct <br />Nevada CU limit <br />SNWA Needs <br />Arizona CU limit <br />Surplus Uses <br /> <br />Full M&I Sumlus <br />Water Consumption <br /> <br />lake Mead Storage Elev. <br />Lake Mead Storage Contents <br />Drought Frequency <br />Lake Mead Elev at end S-year <br />Drought <br />California CU limit <br />Colorado RiverAqueduct <br />Nevada CU limit <br />SNWA Needs <br />Arizona CU limit <br />Surplus Uses <br /> <br />Surnlus based on SDace Buildlna <br />Water Supply <br /> <br />Water Consumption <br /> <br />lake Mead Storage Elev. <br />Lake Mead Storage Contents <br />Drought Frequency <br /> <br />Current Criteria <br /> <br />7.5 mat <br />not specified <br />not specified <br />not specified <br />not specified <br />not specified <br /> <br />4.4maf <br />full,unusedapportionment <br />.3maf <br />full <br />2.8maf <br /> <br />not Included <br /> <br />not included <br /> <br />one factor in deciding on surplus <br /> <br />6-State Interim Crih!ria <br /> <br />7.5maf <br />1125 or iess <br />13.569 maf or less <br />3.8maf <br />33rd percentile <br />1083 (Min Power) <br /> <br />4.4maf <br />less than full <br />.3maf <br />less than full <br />2.8maf <br /> <br />greater than 1.5 mat <br />demands less conservation opportunftes <br /> <br />1125001145 <br />13.569 mafto 15.585 mat <br />not specified <br />not specified <br /> <br />4.4 mat + approx. 250,000 <br />1.212 maf-250,OOO af <br />.3 mat + 1\2 excess M&f demand <br />less than full <br />2.8maf <br />Restricted to M&I only, no storage <br /> <br />greater than 7.5 maf <br />demands less conservation opportunites <br /> <br />1145 upOOflood control <br />15.585 mat or more <br />not specified <br />not specified <br /> <br />4.4 mat + excess M&I demand (.550 mat) <br />tull (1.212 maf) <br />.3 mat + excess M&I demand <br />tuIlysatlslfled <br />2.8maf <br />Restricted to M&I only, no storage <br /> <br />"R70 Runoff exceedance" or <br />17.331 mat runoff Into Lake Powell <br />greater than 7.5 maf <br />demands less consel'Vation opportunlles <br />not specified <br />not specified <br />not specified <br /> <br />California Interim Criteria Alternative 2 <br /> <br />1125 or less <br />13.569 maf or less <br /> <br />???'r? <br /> <br />????? <br /> <br />????? <br /> <br />Level 3 Sumlus based on lakE! Mead Triaael'5 <br />greater than 7.5 maf <br />demands, conservations measures Implemented + 100,000 <br /> <br />1125to1145 <br />13.569 mat to 15.585 mat <br />not specified <br />not specified <br /> <br />4.4maf+ <br />1.212MAF <br />.3MAF+ <br /> <br />2.8 MAF + <br />Restricted: M&f & Indian, no offstream storage, Ag 100,000 <br /> <br />level 2 Sumlm: ba!:ed on lakE! ME!ad Trlaaers <br />greater than 7.5 maf <br />demands,conservatlon measures implemented <br /> <br />1145 to 1196 <br />15.S85ton? <br /> <br />4.4 maf + excess M&I demand (.550 maf) <br />full (1.212 maf) <br />.3 maf + excess M&l demand <br />fullysatisffied <br />2.8maf <br />Restricted: M&I & Indian, GW Storage 400,000, Ag.1oo,OOO <br /> <br />Level 1 Sumlus based on Lake Mead Triaael'5 <br />"R70 Runoff exceedance" or <br />Trigger adjusted 1'\1.7% change in US demand <br />greater than 7.5 mat <br />demandslessconservationopportunites <br />1196 to full <br />1111 <br />not specified <br /> <br />Environmental Criteria <br /> <br />1120.4 to year 2015 <br />13.4maf <br /> <br />34th percentile <br />1083 <br /> <br />If above 1120.4 release at least 32,000 afto Delta <br /> <br />Same as S-State <br /> <br />Same as S-State <br /> <br />No olfstream storage, groundwater banking or Ag. <br /> <br />70A1 <br />
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