Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title Pollution Studies of the Regional Ogallala Aquifer at Portales, New Mexico.
Author Taylo, Robert G. ;
CORP Author New Mexico State Univ., University Park. Water Resources Research Inst.
Year Published 1972
Report Number NMSU-WRRI-RR-008; OWRR-A-034-NMEX; 00314,; A-034-NMEX(4)
Stock Number PB-212 412
Additional Subjects ( Aquifers ; Water pollution) ; ( Water pollution ; New Mexico) ; Ground water ; Inorganic nitrates ; Coliform bacteria ; Semiarid land ; Seasonal variations ; Ground water recharge ; Public health ; Water supply ; pH ; Water analysis ; Concentration(Composition) ; Irrigation ; Portales(New Mexico) ; Ogallala aquifer
Library Call Number Additional Info Location Last
NTIS  PB-212 412 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/23/1988
Collation 22p
Preliminary examination of the aquifer in the vicinity of Portales, New Mexico, indicated the presence of coliform bacteria within a two mile radius of the town of Portales. The presence of these bacterial organisms in the water table at Portales is indicative of recharge to the aquifer. The study has examined both chemical and bacterial parameters of the aquifer and extended the results to elucidate any possible seasonal variations and sources of the pollution in the ground water. Bacterial and chemical analyses were done. Chemical analyses included nitrate, pH, and phosphate. Bacterial analyses were performed using membrane filter techniques. Both bacterial and nitrate contamination was found in varying amounts in most wells sampled and a correlation between the two was established. A relationship was found to exist between nitrate concentration and rainfall during the summer sampling interval.