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<br />( uull <br /> <br />Real time gauge data is available from the USGS web site at htto:/ltxwww.cr.uSgs.gov/nwis- <br />bin!current.html. Reference - GBRA Flood Tracking Chart Guadalupe River Basin, Texas. <br /> <br />The City of San Marcos website www.ci.san-marcos.tx.us contains rain and weather <br />surveillance information which is updated in 5 minute intervals. <br /> <br />The Edwards Aquifer Authority operates seven (7) rain gauges in Hays County and the <br />National Weather Service (NWS) monitors rain gauges in Hays County <br /> <br />The estimated installation cost for a stream gauge meeting USGS and GBRA criteria IS <br />$20,000 with an estimated monthly maintenance cost of $ 1,000. <br /> <br />The City of San Marcos installed flood gauges and flood warning systems on all dams adjacent <br />to the City however high maintenance costs and computer software changes resulted in <br />termination of the flood monitoring system. There is a possibility that GBRA may cost share in <br />the installation of a flood warning system in Hays County, but no commitments have been <br />made. <br /> <br />The estimated cost to install lake level flood warning devices on selected High Hazard dams is <br />$20,000 per dam with an estimated annual maintenance cost of $5,000 per dam. <br /> <br />Responsibility: <br /> <br />Hays County <br />City of San Marcos <br />Guadalupe Blanco River Authority <br />Edwards Aquifer Authority <br /> <br />Cost: <br /> <br />Phase 1 - 4 gauges - $80,000 estimated installation cost <br />Phase 2 - 4 gauges - $ 80,000 estimated installation cost <br />Phase 3- Flood Warning devices on selected High Hazard dams - <br />$20,000 per dam ($280,000 for all 14 dams) <br />Phase 1 Annual Maintenance cost $ 48,000 (estimated) <br />Phase 2 Annual Maintenance cost $ 48,000 (estimated) <br />Phase 3 Annual Maintenance cost $5,000 per dam ($70,000 per year for <br />all 14 dams - estimated) <br /> <br />Funding Sources: <br /> <br />HMGP - Governor's Division of Emergency management <br />Texas Water Development Board <br />Hays County <br />City of San Marcos <br />Guadalupe BIanco River Authority <br />Edwards Aquifer Authority <br /> <br />Timing: <br /> <br />Phased 2006 to 2010 <br /> <br />Beneficiary: <br /> <br />Countywide <br /> <br />Hays County, Texas <br />Miligation Plan <br /> <br />127 <br /> <br />I <br /> <br />I <br /> <br />I <br />