Puerto Rico Water Resources and Environmental Research Institute

Agricultural and Industrial Water Requirements

PR 1972
The Impact of Water Resources on the Industrial and Economic Development on Water Avilabilities in South Puerto Rico, Dominador G. Pascua.
PR 1974
An Investigation of Factors Affecting the Intensity of Water Use in the Lajas Valley Irrigation Project, Isidoro Avilés Cordero.
PR 1979
Evaluation of the Reduction of the Volume of Flow Carried by Certain Rivers of Puerto Rico and Its Possible Correlation with Changes in Land Use, 1508 to Present, Luis Pumarada.
PR 1993-1994
Management of Sludge from Puerto Rico's Regional Industrial Wastewater Treatment Plant: Phase 4 - Sludge Conditioning with Incinerators Ash and its Effects on the Incineration Process, A. Rodríguez.
PR 2005
"Estudio sobre el Uso de Agua Agrícola en Puerto Rico", Instituto de Investigaciones sobre Recursos de Agua y Ambiente de Puerto Rico.

Coastal Water Quality and Management

PR 1971
Analysis Of A Pipe When It Contact With The Ocean Bottom And Rigidly Fixed At One End, Dr, Harry Georas, 1971.
PR 1971
Submarine Spring Explorations: Northwest Coast Of Puerto Rico , Donald J. Percious, 1971.
PR 1972
Comparative Study Of The Benthic Microbiol Biota In Some Coastal Areas Of Puerto Rico, Eduardo Angel, 1972.
PR 1975
The Sedimentary and Physical Dynamic Processes of Selected Estuaries and River Inlets of Puerto Rico: Determination of Pollutant Handling Capabilities, Jack Morelock and Manuel Hernández, 1975.
PR 1983
Fate of Selected Priority Pollutants in Regional Wastewater Treatment Plants in Puerto Rico and their Impact on the Quality of Coastal Receiving Waters, Roque A. Román, 1983.
PR 1984
A survey of sediment discharge and shelf reef conditions, Jack Morelock,1984.
PR 1984
Changes in the Species and Concentration of Carbon, Nitrogen and Sulfur Compounds during the Bod Test and their Effect on Oxygen uptake, Luis A. del Valle, 1984.
PR 1987
Effect of Treated Rum Distillery Effluents on the Distribution and Survival of Potential Bacterial Pathogens, Terry C. Hazen, 1987.
PR 1988-2006
Comparison of Methods for Enumeration of Fecal Coliforms in Tropical Waters, Terry C. Hazen and Gary A. Toranzos, 1988.

Ground Water Quality and Management

PR 1971
Theoretical And Experimental Study Of The Supercritical Flow In Circular Drains And The Formation Of The Hydraulic Jump In The Same, Luis A. Nuñez, 1971.
PR 1982
A Pricing Policy for Groundwater Management in Puerto Rico, Roopchand Ramgolam and Rafael A. Ríos, 1982.
PR 1983
Study of Some Puerto Rican Soils as Natural Sealers or Attenuators Against Groundwater Pollution from Sanitary Landfill Leachates, Luis A. del Valle, 1983.
PR 1983
Seismic Design Criteria for Buried Water Pipeline in Puerto Rico, Rafel Jiminez Pérez, 1983.
PR 1984
A Hydraulic Technique for Designing Scavenger-Production Well Couples to Withdraw Freshwater from Aquifers Containing Saline Water, Allen Zack and Rafael Muñoz, 1984.
PR 1996-2002
Treatment Of Groundwaters Contaminated With Aromatic Hydrocarbons in a Fluidized Bed Reactor, Arturo Massol-Deyá, Ning-Hsi Tang, 1996.
PR 1996-2003
A Novel Detoxification Approach: Photo-Oxidation Of Volatile Organics in Ground Waters Of Puerto Rico, Narinder K. Mehta, 1996.

Hydrology and Soils

PR 1967
Drainage and Ground-Water Research in Lajas Valley, Puerto Rico, Roberto Vázquez, 1967.
PR 1969
Loss Coefficient in a Channel Bend With Naturally Deformed Bed, Dr. Christos Hadjitheodorou, 1969.
PR 1969
The Water Resources Situation In Puerto Rico: An Evacuation Of Published Information, Antonio Santiago Vazquez Roopchand Q, Ramagolam Hector Quijano Viva Arturo Ramos Villanueva,1969.
PR 1970
Human Factors Involved In The Development Of A Watershed In Yabucoa, Fernando Del Rio, Ed.D, Jenaro Collazo, Ph.D. ,Angel T. Berrios, B.S.A. ,Nicolas López, M.S., 1970.
PR 1970
Hydrologic Study Of The Yaguez River Watershed, Luis A. Nuñez, 1970.
PR 1970
Biological Population of Polluted Streams in Puerto Rico, R. Muñoz, R.Seda, M. Martínez, M.S. Torres, C.M. Chan, A. Rodríguez, M. Pedraja, 1970.
PR 1973
Technique for Evaluating Sedimentation at River Mouths, Dr. Donald S. Sasscer, Dr. Knub B. Pedersen, Dr. Aviva G. Gildeadi, 1973.
PR 1979
Application of Quantitative Geomorphic Analysis to the Geographic Basins of Puerto Rico, Nicolino Liberatore, 1979.
PR 1983
Geohydrology of the Rio Camuy Cave System Puerto Rico, Arturo Torres, E. Aguilar and G. Pannella, 1983.
PR 1984
Changes in The Species And Concentration Of Carbon, Nitrogen And Sulfur Compounds During The Bod Test and Their Effect on Oxygen Uptake, Luis A. Del Valle, 1984.
PR 1984
Public Water Supplies in P.R., Fernando Gómez-Gómez, Ferdinand Quinones, Marisol López, Rafael Muñoz Candelario, 1984.
PR 1985
Hydrogeology Of The Principal Springs In Puerto Rico, Sene Guzman Rios, Rafael Muñoz Candelaria, 1985.
PR 2002
Hydrologic Characterization of Goodwin Creek, Puerto Rico Water Resources and Environmental Research Institute, 2002. Appendix

Precipitation

PR 1977
Time Averaged Areal Mean of Precipitation: Estimation and Network Design, Rafael L. Bras, Raúl Colón, 1977.
PR 1984
Statistical Analyses of Spatial and Temporal Storm Rainfall Characteristics in Puerto Rico, Ismael Pagán Trinidad, 1984.
PR 1985
Rainfall - Runoff Simulation In The Rio Grande De Loiza At Quebrada Arenas Watershed, Puerto Rico, Eloy Colón Dieppa, Rafael Munoz Candelario, 1985.
PR 1986
Acid Rain in Puerto Rico, Elba D. Osborne, 1986.
PR 1988-2005
Study and Recommendations on the San Germán Vaulted Brick Tunnel Storm Sewer System, Luis Pumarada and Miguel Cruz-Arocho, 1988.
PR 1989-2003
A Planning Model for the Control and Treatment of Stormwater Runoff Through Detention Storage, Rafael I. Segarra and G.V. Loganathan, 1989.
PR 1991-2005
Improved Regionalized Flood Frequency Estimates for Puerto Rico, Rafael Segarra, 1991.
PR 1995-2003
Perception Of Risk By The Residents Of A Flood Hazard Area In Puerto Rico Phase 1, Jaime Gutierrez Sánchez, Olga N. Hernández, 1995.
PR 1995-2004
Flood Frequency for Ungaged Catchments in Puerto Rico, Rafael Segarra-García, 1995.

Sludge Management and Disposal

PR 1983
Automation Study of Activated Sludge Process, Ning-Hsi Tang, 1983.
PR 1983
Laboratory Study of Dynamic-State Control of Activated Sludge Process, Ning-Hsi Tang, 1983.
PR 1984
Assessment of the Biosorptive Capacity of Biological Sludges for Metal Cations, Roque A. Román-Seda, 1984.
PR 1988-2005
Management of Sludge from Puerto Rico's Regional Industrial Wastewater Treatment Plant: Phase 2 - Dewatering, Abraham Rodríguez, 1988.
PR 1989-2003
Effect of Sewage Sludge on Nutrient and Toxic Metal Content of Soil and Selected Crops Grown on Tropical Soils, Nancy Cavallaro and José Villarrubia, 1989.
PR 1990-2004
Simulation of the Sewage Sludge Composting Process, Lueny Morell, 1990.
PR 1992-2002
Direct Activated Sludge Dewatering Using Hollow Fibers Membranes, Jaime Benítez, 1992.
PR 1992-2004
Development Of The Sludges Disposal Plan For Puerto Rico , Rafael A. Ríos, 1992.
PR 1993-2004
Management of Sludge from Puerto Rico's Regional Industrial Wastewater Treatment Plant: Phase 4 - Sludge Conditioning with Incinerators Ash and its Effects on the Incineration Process, A. Rodríguez, Jaime Benítez, and Rafael Muñoz, 1993.
PR 1995-2002
Evaluation of the Removal of Giarda lamblia by Slow Sand Filters Under Tropical Conditions and its Relation to other Fecal Contamination Indicator Organisms, Roque A. Román-Seda, Gary A. Toranzos, and Ramsés Casaduc Gonzáles, 1995.

Surface Water Quality

PR 1969
Movement Of Non Conservative Pollutants By Waves Add Currents In Protected Waters, Dr. Adel M. Kamel, 1969.
PR 1972
Free Falling Particle in Density Stratified Fluid, Dr. Chin Y. Kuo, 1972.
PR 1976
Particle Characteristics and Dispersal Patterns of Sugar Cane Wastes in Selected Rivers and Estuaries of Puerto Rico, Jack Morelock, 1976.
PR 1979
Characterization of Organic Contaminants in Selected Potable Water Supplies in Puerto Rico, Manuel Rodríguez, 1979.
PR 1983
A Study of Eutrophication and Aquatic Plant Growths in Selected Lakes and Rivers of Puerto Rico, Edna Negrón, 1983.
PR 1983
An Assessment of the Use of Potential of the Flow of Water at the Spring "OJO DE AGUA" in Aguadilla, Puerto Rico, Noel Añeses and Andrés Calderón, 1983.
PR 1990-2004
Analysis of Surface-Water Quality Data for Puerto Rico, Abraham Rodríguez, Rafael Muñoz, 1990.
PR 1991-2002
Kinetics of Trihalomenthanes Formation during Chlorination of Drinking Water, Jaime Benitez, Ph.D., 1991.
PR 1993
Prediction of Water Use in Puerto Rico, Nazario B. Ramirez-Beltran, 1993.
PR 2005
Determination of Numeric Nutrients Criteria in Lakes and Reservoirs of Puerto Rico, Gustavos A. Martínez, David Sotomayor Ramírez, Luis Peres Alegría, 2005.
PR 2009-2010
Water quality index development and applications for rivers in Puerto Rico (in Spanish) 2009. Torres-Vega, F.J. Thesis submitted in partial fulfillment for the Master Degree in Civil Engineering, Department of Civil Engineering, University of Puerto Rico at Mayaguez.

Wastewater Treatment and Management

PR 1969
The Self-Purification Rates Of Polluted Streams in Puerto Rico, R. Muñoz, M. Martínez, A. Rodríguez, M. Pedraja, R. Seda, and C.M. Chan, 1969.
PR 1972
Determination of the Rate of Biodegradation in Some Polluted Tropical Waters and Some Types of Liquid Wastes Common in Puerto Rico, Luis A. del Valle, 1972.
PR 1974
The Treatment of Liquid Wastes from the Cane Sugar Industry in Puerto Rico, Rafael Muñoz and Félix Santiago, 1974.
PR 1979
The Wet-Air Oxidation of RUM Distillery Wastes, Rafael Muñoz,Rafael Muñoz, Manuel Pedraja-Santos, Abraham Rodriguez-Ramirez, Juan Hernandez, Guillermo Colon Burgos, 1979.
PR 1981
Presence of Enteric Microorganisms in the Air Enviroment at Wastewater Treatment Plants in Puerto Rico, Miguel A. Padovani, 1981.
A-052-PR
Packed-Bed Reactors for Concentrated-Waste treatment and Energy Production, Knud B. Pedersen.
PR 1983
Public Water Supplies in Puerto Rico, Rafael Muñoz Candelario, 1983.
PR 1986-2006
Chemical Modeling of a Dairy Waste/Water Management, Pollution Control System for Farm Management in Puerto Rico, Richard A. Butler and Yoosef Shahabasi, 1986.
PR 1989-2002
Optimization of Chlorination Parameters to Reduce the Formation of Trihalomethanes in Drinking Waters of Puerto Rico, Jaime Benítez and Lorenzo Saliceti, 1989.
PR 1995-2002
Optimum Scheme For Combined Removal Of Iron, Manganese, And Organic Matter From Potable Water , Abraham Rodriguez, Jaime Benítez and Luis Velez Lugo, 1995.

Water Use and Social Planning

PR 1969
Determination of Domestic Water Comsumption Rates Under Varying Water Pressures, Luis A. Nuñez, 1969.
PR 1969
The Management And Control Of Water In Puerto Rico, Isidoro Avilés Cordero, 1969.
PR 1970
Survey of Water Based Recreation Centers The Area, Ernesto F. Colón, 1970.
PR 1970
Socio-Economic Factors Related To The Incidence Of A Water-Borne Disease, George C. Uzdavinis, 1970.
PR 1970
Determination Of The Significance Of Variables Affecting Residential Water Consumption, Dr. Appu Kuttan, 1970.
PR 1971
Study of the Relevance of the Selected Ecological Factors related to Water Resources and the Social Organization of Fisherman Villages in Puerto Rico, Federico G. Blay, 1971.
PR 1972
A Study Of The Costs And Effects Of Irrigation In The Planning And Implementation Of The Lajas Valley Agricultural Development Programme , Isidoro Avilés Cordero, 1972.
PR 1972
Comparative Analysis of Residential Water Use in Puerto Rico, Ausberto Guilbe, 1972.
PR 1973
Effects of Salinity and Turbulent Diffusion of Pollutants, Chin Y. Kuo, 1973.
PR 1974
Peak Ratios and Alternate Model Factors for Residential Water Use in Puerto Rico , Ausberto Guilbe, 1974.
PR 1974
Puerto Rico Water Resources Problems and research needs- proceedings of conference and planning session, Roberto Vázquez, PhD, 1974.
PR 1975
Estimate Of Water Pollution Potential Based On Characteristics Of Domestic Sewage In Puerto Rico, Ning-Hsi-Tang, 1975.
PR 1975
The Optimum Distribution of Urban Water Supplies in Puerto Rico, Christos Hadjitheodorou and William Heenan, 1975.
PR 1978
Sediment Transport Process in the Vicinity of a River Mouth, Dr. Christos Hadjitheodorou, Dr. Manuel Hernádez Avila.
PR 1983
Thermodynamic evaluation of Water Pollution Control Processes, Rafel Munoz Canlendario, 1983.
PR 1984
An Assessment of the Wastewater Reuse Potential in Puerto Rico, Rafael A. Ríos, 1984.
PR 1987-2003
Social Impact and Recreational Use of Inland Water Reservoirs in Puerto Rico, Olga Hernández and Jaime Gutiérrez, 1987.
PR 1988-2004
Content Attitude Study of Water Related Topics in Puerto Rico Daily Newspapers, Jaime Gutiérrez and Olga Hernández, 1988.

Water Reports

Report
Aerobic Stabilization of Wastewater Sludge Using Recyclable Material as a Bulking Agent, Miriam Salas del Pino, 1989.
Report
Water Filtration Through a River Bed, Carmen Gisela Roman Nieves.
Report
The impact of Indrustrial and Economic Development on Water Availabilities in South Puerto Rico, Dominar G. Pascua, 1972.
Report
La Parguera Como Es, Ernesto F. Colón, 1970.
Report
Study of the Guayanilla Bay, Dr. Antonio Santiago Vázquez, 1970.
Report
Puerto Rico's Water Resources Problems And Research Needs, Proceeding of Workshop Number One, 1974.
Report
Water Quality Measurement At The Swimming Pool (Piscina Alumni) At The Mayaguez Campus Of The University Of Puerto Rico , Chi-Ming Chan, William Perl, 1972.
Report
A Study of Total Coliform And Biochemical Oxygen Demand At Caño Corazones, Chi-Ming Cham, 1972.
Report
Carbonate Sedimentation On The Inner Shelf Isla Magueyez, Puerto Rico, Craig E. Saunders, Nahum Schneidermann.
Report
Estudio Ecológico de la Laguna Tortuguero, Puerto Rico, Marís B. Reyes de Ruis, 1971.