Water School

What is datum?

Datum is the basis for relating a river's stage to mean sea level. (datum + stage = elevation in feet above mean sea level)




The information provided on this site is intended as background on water within the Brazos River basin. There should be no expectation that this information is all encompassing, complete or in any way examines every aspect of this very complex natural resource.

If you have questions about a post or would like additional information, please contact us or call 888-922-6272.

fertilizer anaerobic E. coli legislation golden algae river bay rights dam water rights climate hydrologic cycle sludge gas reservoirs storage potable chlorine evaporation maps smell well drilling water quality inundated insurance governance dissolved solids gulf mitigation camping aquifer possum kingdom wastewater environmental water clarity water plants system water treatment jobs turbidity riparian E coli boating hydrology spring flood control lake costs bed and banks water code permit farming streamflow agriculture dock acre-feet surface water fish kill corps consumption wetlands treatment filter algae fork taste water cycle hydropower tributary gate lawn fishing kayak authority releases cfs oxygen reservoir contract inland watercourse lake precipitation clarity stream agricultural wetland classification canoeing lake levels sanitation map solids speaker planning electric companies allens creek reservoir PAM hydrilla aerobic water industrial drought pollutants impound calcium hunting granbury septic employment canoe groundwater brackish streamflow riverine subsidence emergency use electricity sewage minerals mission flood main stem supply ground water appropriation medicine environment municipal conservation direct re-use pharmaceuticals measure flood pool infection spillway rain water supply industry recreation xeriscape chlorides TCEQ biosolids contaminants meta tag indirect re-use runoff Board depth basin corps of engineers organic bottled water salinity marsh effluent watershed limestone mgd beneficial use channel subsidence district landscaping invasive plants sediment wildlife volume subwatershed parasite lakes water planning USGS quality septic system estuary lake level habitat mainstem soil salt golden algea gage monitor use water use drinking water acre-foot