Water Quality Page

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Water Quality - Colorado River The quality of water in the Colorado River is important. Water quality includes, but not limited to, temperature, water column structure, total suspended solids, dissolved oxygen, total dissolved solids, and chlorophyll.

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GROUP MEMBERS News Water Quality Links General GCMRC Monitoring Stations Map [http://www.gcmrc.gov/discharge_qw_sediment/stations/GCDAMP GCMRC Maps and Spatial Data] [1] Temperature USGS 09380000 COLORADO RIVER AT LEES FERRY, AZ [2] USGS 09380000 COLORADO RIVER AT LEES FERRY, AZ [3] USGS 09421500 COLORADO RV BLW HOOVER DAM, AZ-NV [4] Salinity Salinity Control Forum USCODE-2011-title43-chap32A-1.pdf -The codified version of the Colorado River Basin Salinity Control Act as amended. It includes both Title I and Title II. It also includes footnotes and history of amendments. 2011 Water quality standards for salinity [5] Station ---------------- Salinity in mg/L Below Hoover Dam 723 Below Parker Dam 747 At Imperial Dam 879 [6] Glen Canyon Dam USBR TWG Meeting Lake Mead NPS Lake water quality and limnology Nevada USGS NDEP Lake Mead Water Quality Forum (NDEP) HFE experiments on water quality (USGS) Lower Colorado River Studies (USGS) MONITORING HISTORY Water-quality sampling in Lake Powell was initiated by the USBR in 1964 and continued through 1990. Glen Canyon Environmental Studies conducted the monitoring from 1990-1996. The USGS Water Resources Discipline conducted monitoring in Lake Powell on several dates in 1992, 1994, and 1995. Since 1997, monitoring has been conducted by the USGS-GCMRC. State of the Colorado River Ecosystem in Grand Canyon- USGS Circular 1282

USBR LINKS Reports and Links br> Other Stuff CRC 0010.JPG CRC 0011.JPG CRC 0012.JPG CRC 0013.JPG CRC 0014.JPG CRC 0015.JPG CRC 0016.JPG CRC 0017.JPG CRC 0018.JPG CRC 0019.JPG CRC 0020.JPG