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EIS Arapahoe & Roosevelt National Forest, Pawnee National Grassland
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EIS Arapahoe & Roosevelt National Forest, Pawnee National Grassland
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Last modified
1/26/2010 4:38:28 PM
Creation date
6/15/2009 11:45:54 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8461.250
Description
Water Issues
State
CO
Basin
South Platte
Water Division
1
Author
USDA, Forest Service, Rocky Mountain Region
Title
EIS Arapahoe & Roosevelt National Forest, Pawnee National Grassland
Water Supply Pro - Doc Type
EIS
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Chapter 3- Affected Environment and Consequences <br />? <br />? naturai waterborne parasites, such as giardia. The Forest Service will work with the state to <br />identify public supply watersheds and sources of contamination. <br />The WCP Handbook (FSH 2509.25) contains 17 standards and 68 design criteria to protect <br />water qua(ity in compliance with the Clean Water Act. The WCP standards cover all land- <br />disturbing actions on National Forest System lands, including timber, range, engineering, recre- <br />ation, and all other actions that disturb vegetation, soii, or water bodies. <br />If these standards are properly applied, pollutant delivery to streams and lakes will be negligible. <br />Any waters or aquatic sites that have been degraded will recover rapidly. The physical, <br />chemical, and biological integrity of waters in all watersheds will be as good as in watersheds <br />that are managed exclusively for domestic and municipal supplies. <br />Water developments which are used off-Forest but have some facilities located on National <br />Forest System lands are administered with specia!-use authorizations. They involve water <br />storage, transmission, or diversion facilities. Stipulations may be added to the authorizing <br />documents which ensure the quantities of water needed to fulfrll the purposes of the Nationa! <br />Forest and for environmental instream needs are identified. As special-use permits are <br />amended, renewed, or issued, the Forest will anaiyze environmental effects and ascertain if <br />mitigation or new terms and conditions are required to meet the standards and guidelines of the <br />Forest Plan and/or the Endangered Species Act. The Forest Service has statutory responsibility <br />for all existing permits, rights-of-way, and grants of easement located on National Forest System <br />lands, including their administration, amendment, and renewal, when authorized and appropri- <br />The 1983 Plan contains provisions to protect aquatic habitats and stream channels. The <br />? Revised Plan proposes new standards to protect perennial streams and to avoid dewatering <br />perennial streams (USDA Forest Service 1995). Municipal water supplies receive protection <br />under Management Area Prescription 323, which provides for the management of municipal <br />supply watersheds. The management emphasis in this prescription is to protect or improve the <br />quality and quantity of municipal water supplies. <br />Groundwater <br />in addition to providing surface water, snowmelt rurtoff recharges groundwater on the Forest. <br />Groundwater aquifers release water during periods of low precipitation to maintain base flows of <br />streams. Groundwater is a(so of beneficial use off-Forest in the form of pumped imgation and <br />drinking water wells. Although no major aquifers occur on the Forest, groundwater coming from <br />snowmelt off the Forest is used locally. Two communities (Yampa and Walden) within the <br />geographic region of the Forest utilize groundwater for part or all of their municipal water supply. <br />Beneficial use of groundwater on the Forest is low. Uses are limited to special-use permittees <br />and Forest Service campgrounds and administrative sites with domestic weNs. The existing <br />condition of groundwater on the Forest is good. Past management on the Forest has not had an <br />adverse effect. Activities such as oiVgas exploration and leasing have been minimal. Other <br />potential adverse effects from wastewater treatment and other equipment spills have been <br />limited. Potential for groundwater contamination from recreation uses (outhouses) has not been <br />recorded, and old pit type outhouses are being replaced by pump-vault type outhouses. <br />Riparian/VNetlands <br />Introduction <br />? Riparian areas are those areas where lush green vegetation lives and grows on the banks of <br />) streams, lakes, and rivers. Riparian ecosystems, aquatic ecosystems, wetlands, lake-side <br />zones, and floodplains will be jointly referred to as riparian areas. The terms riparian iones and <br />RouK Nationa/ Forest - EIS (Water/Rlparfan/Wetlands) 3-41
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