||Report on Amistad Reservoir : Val Verde County, Texas, EPA Region VI /
||National Eutrophication Survey, Corvallis, Oreg. ;Environmental Monitoring and Support Lab., Las Vegas, Nev. ;Texas Water Quality Board, Austin. ;Texas National Guard, Austin.;Corvallis Environmental Research Lab., Oreg.
|| Corvallis Environmental Research Laboratory ; Environmental Monitoring & Support Laboratory,
||EPA NES-WP-631; Working Paper-631
Environmental policy--Texas--Amistad Reservoir. ;
Limnology--Texas--Amistad Reservoir. ;
Eutrophication--Texas--Amistad Reservoir. ;
Amistad Reservoir (Texas)
Water pollution ;
Amistad Reservoir ;
Water quality ;
Inorganic phosphates ;
Inorganic nitrates ;
Pollution abatement ;
Water quality management ;
Water quality data ;
Val Verde County(Texas)
||EP1.2 NERC-CO NES WP-631
||Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy.
||vi, 16, approximately 30 pages : map ; 27 cm.
Annual total phosphorus and total nitrogen loadings to the lake were estimated and subdivided according to either point or non-point source origin. An assessment of the lake's trophic condition and limiting nutrient is also provided. All data collected by the U.S.E.P.A. National Eutrophication Survey during the one year study of the lake and its tributaries are included.
"February, 1977." "EPA NES-WP-631." Cover title. Includes bibliographical references.