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Limestone-Graveyard Creeks Watershed Plan and Environmental Assessment
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Limestone-Graveyard Creeks Watershed Plan and Environmental Assessment
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Last modified
7/19/2010 1:36:13 PM
Creation date
6/25/2010 3:38:15 PM
Metadata
Fields
Template:
Water Supply Protection
Description
ARCA
State
CO
KS
Basin
Arkansas
Water Division
2
Date
9/1/1996
Author
Bent Soil Conservation District, Prowers Soil Conservation District, Colorado State Soil Conservation Board, Fort Lyon Canal Company
Title
Limestone-Graveyard Creeks Watershed Plan and Environmental Assessment
Water Supply Pro - Doc Type
EIS
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� I <br />� I <br />� I <br />� I <br />i� ! Table D <br />1 Summary and Comparison of Candidate Plans <br />Effects Alternative 1 Alternative 2 Alternative 3 <br />No Action Management TRP - (NED) <br />Measures <br />Ground water quality Of the well records <br />14% decrease in <br />32% decrease in nitrate <br />reviewed, six <br />nitrate concentration <br />concentration <br />exceeded the state <br />be significantly <br />standard for nitrates <br />impacted by heavy <br />impacted by heavy <br />and twenty were <br />metals <br />metals <br />approaching it. <br />Livestock water will <br />continue decrease in <br />Selenium <br />Selenium <br />Selenium contamination <br />contamination will <br />contamination will be <br />will be reduced <br />continue at an <br />reduced slightly <br />significantly <br />unacceptable rate <br />Surface water quality Arkansas river @ <br />Selenium <br />Selenium concentration <br />Lamar, Selenium 19.7 <br />concentration <br />decreased by 17% <br />Ug/L with an <br />decreased by 7% <br />estimated increase of <br />.2 Ug/L /year <br />Uranium <br />Uranium <br />Uranium concentration <br />concentration is S% <br />concentration is <br />is reduced by .4 Ug/L at <br />greater at Lamar than <br />reduced by .19 Ug/L <br />Lamar <br />at John Martin <br />at Lamar <br />Reservoir (1 Ug/L) <br />Salt loading to the <br />19% reduction in salt <br />30% reduction in salt <br />Arkansas river <br />loading <br />loading <br />through surface flows <br />and ground water <br />recharge, 387,000 <br />T/Yr. <br />Fisheries and wildlife Fisheries and wildlife Fisheries and wildlife <br />■ <br />habitat will continue <br />habitat will continue <br />habitat will continue to <br />to be significantly <br />to be significantly <br />be significantly <br />impacted by heavy <br />impacted by heavy <br />impacted by heavy <br />metals <br />metals <br />metals <br />Livestock water will <br />continue decrease in <br />Livestock water will <br />improve <br />Considerable <br />improvement in <br />quality due to heavy <br />livestock water quality <br />metals <br />will be achieved <br />
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