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Reports and Studies

EMD has the following environmental reports and papers available for review. Click on any of the report titles below to view them in the available format.   For faster viewing of larger files, right click on File Format icon or Title of Report below and select “Save Target As . . “ in Internet Explorer or “Save Link Target As . . “ in Netscape/Firefox and save to your hard drive first then view the file from the directory you saved to.

Clean Rivers Program Publications

Title of Report

Date

Available Format

Environmental Assessments (EA)

Western Boundary

Final Environmental Assessment, Implement International Agreement for Deliveries to Tijuana, Baja California , of a part of Mexico's Colorado River Waters through the Southern California Aqueducts

8/2001

  PDF Icon (5 MB)

Rio Grande

Final Environmental Assessment: Allowing Avian Hunting in Designated Areas along the Rio Grande Canalization Project, Sierra and Doña Ana Counties, New Mexico (Appendicies)

7/2014

PDF Icon (3 MB)

PDF Icon Appendicies (24 MB)

Final Environmental Assessment and Finding of No Significant Impact for Non-Native Plant Control and Re-Establishement of Riparian Habitats Along the Rio Grange

8/2012

PDF Icon (6 MB)

Final Supplemental Environmental Assessment Improvements to the Mission Protective Levee System, Hidalgo County, TX

10/2011

PDF Icon (10 MB)

Improvements to the Arroyo Colorado South Levee, Hidalgo and Cameron Counties, Texas

11/2010

PDF Icon (10 MB)

Final Environmental Assessment on the Improvements to the Arroyo Colorado North Levee Project

6/2009

PDF Icon (45 MB)

View the Final Environmental Assessment of Emergency Levee Repairs to the Presidio Flood Control Project, Station 7+00

4/2009

PDF Icon (6.7 MB)

FINAL EA and FONSI for Improvements to the Rio Grande Rectification Project in El Paso and Hudspeth Counties, Texas

3/2009

PDF Icon (46 MB)

Final Environmental Assessment (EA) Mission Levee dated February 26, 2007. (View in Browser 34 MB

2/2007

PDF Icon (34 MB)
PDF Icon(30 MB)

Final Environmental Assessment on Flood Control Improvements to the Rio Grande Canalization Project

12/2007

PDF Icon (2 MB)

Final Environmental Assessment on Improvements to the North and Main Floodways Levee Systems

11/2007

PDF Icon ( 14 MB)

Final Environmental Assessment on Improvements to the Donna-Brownsville Levee System &   Appendices (77 MB)

9/2007

PDF Icon ( 5 MB)

FInal Environmental Assessment on the Rio Grande Rectification Project: Flood Control Improvements, Int'l Dam to Riverside Diversion Dam, El Paso, County, TX

5/2007

PDF Icon (19 MB)

Draft Environmental Assessment and Finding of No Significant Impact: Rio Grande Rectification Project, Flood Control Improvements International to Riverside Dam Comments due May 12, 2007

4/2007

PDF Icon (20 MB)

Final Environmental Assessment Flood Control Improvements Lateral A/Retamal Dike Levee System

3/2007

PDF Icon (15 MB)

Draft Environmental Assessment: Flood Control Improvements Lateral A/Retamal Dike Levee System

1/2007

 PDF Icon (11 MB)

Final Environmental Assessment Alternatives for Improved Flood Control of the Hidalgo Protective Levee System of 9/2005, prepared for the USIBWC by Parsons. 

9/2005

PDF Icon (30 MB) PDF Icon(28 MB)

Environmental Assessment Finding of No Significant Impact for the Retamal Sediment Removal Project (EA/NOSI)

1/2004

 html icon link to Report(14 MB)

Final Environmental Assessment for “Replacement of the Old American Canal” Located in El Paso, Texas

12/2001

PDF Icon  (24 MB)

Environmental Impact Statements (EIS)

Western Boundary

USIBWC Issues Record of Decision for Final EIS of SBIWTP Clean Water Act Compliance

5/2008

PDF Icon (640 KB)

USIBWC announces the Final Supplemental Environmental Impact Statement for Clean Water Act compliance at the South Bay International Wastewater Treatment Plant, San Diego County, California, prepared by Parsons

7/2005

PDF Icon (45 MB)

Draft Supplemental Environmental Impact Statement for Clean Water Act Compliance at the South Bay International Waste Water Treatment Plant  (SPANISH TRANSLATION)

12/2004

PDF Icon (14 MB)

Final Supplemental Environmental Impact Statement for Clean Water Act Compliance at the South Bay International Waste Water Treatment Plant.

7/2005

PDF Icon (42 MB)

Lower Colorado River Boundary and Capacity Preservation Project

7/2003

PDF Icon  (8 KB)

Rio Grande

 

 

Environmental Impact Statement for Flood Control Improvements and Partial Levee Relocation USIBWC Presidio Flood Control Project

2/2010

PDF Icon  (10 MB)

Final PEIS on Improvements to the USIBWC Rio Grande Flood Control Projects along the Texas-Mexico Border

1/2008

Available in .Zip Format (17 MB)

Lower Rio Grande Flood Control Project Brief w/ EIS

2004

.PDF icon link to Report (24 KB)

Rio Grande Canalization Project Brief w/ EIS and the 5/2004 River Management Plan | Biological Assessment | Draft EIS

9/2004

PDF Icon (26 MB)

Record of Decision on River Management Alternatives for the Rio Grande Canalization Project

6/2009

PDF Icon (219 KB)

El Paso - Las Cruces Regional Sustainable Water Project with EIS

4/2001

HTML Icon  (11 KB)

Natural Resources

Hydrogeological Activities in the Conejos-Medanos/Mesilla Basin Aquifer, Chihuahua, Phase I
Volume II - Appendicies

5/2011



5/2011

HTML Icon  (28 MB)


HTML Icon  (53 MB)

Biological Resources Survey, Rio Grande and Tijuana River Flood Control Projects New Mexico, Texas and California (Final Report)

8/2005

PDF Icon (4 MB)

Biological Assessment: USIBWC Rio Grande Projects, American Dam to Fort Quitman, Texas

8/2001

PDF Icon (4 MB)

Water Quality Reports

Western Boundary

     

Nogales International Wastewater Treatment Plant Maximum Allowable Headworks Loading Development

4/2009

.PDF icon link to Report (400 kb)

FINAL REPORT: Coastal Observations and Monitoring in South Bay San Diego IBWC/Surfrider Consent Decree

2/2009

.PDF icon link to Report (31 MB)

Wastewater Characterization Study, City of Mexicali, Baja California, Mexico.  The study was prepared by the City of San Diego Metropolitan Wastewater Department.

1/7/03

.PDF icon link to Report (2 MB)

Binational Study Regarding the Presence of Toxic Substances in the Lower Colorado and New Rivers

3/2003

.PDF icon link to Report(2 MB)

 Tijuana, Baja California Mexico Report #8 and for the City of Tecate, Baja California Report #1 and Report #2.

6/31 - 12/02

.PDF icon link to Report (1.1 MB)

Binational Nogales Wash United States/Mexico Groundwater Monitoring Program Final Report

8/2001

Available in .Zip Format (680 MB)

Binational Study Regarding the Intensive Monitoring of the Rio Grande Waters in the Vicinity of Laredo, TExas and Nuevo Laredo, Tamaulipas Between the U.S. and Mexico

11/6 to 11/16/2000

.PDF icon link to Report (2.2 MB)

Tijuana Wastewater Characterization

3/15 to 12/14/00

.PDF icon link to Report (44 MB)

Nogales Wash Groundwater Monitoring Program

5/1998

HTML Icon (273 KB)

Construction of Immediate Need (“Quick Fix”) Projects in Mexicali, B.C., Mexico as Part of the Solution to the Sanitation of the New River, Executive Summary, 1/ 1997.

1/1997

.PDF icon link to Report (8.8 MB)

  Rio Grande

 

 

Third Phase of the Binational Study Regarding the Presence of Toxic Substances in the Upper Portion of the Rio Grande/Rio Bravo Between the U.S. and Mexico (Final Report)

6/2004

.PDF icon link to Report (8 MB)

Binational Study Regarding the Presence of Toxic Substances in the Rio Grande/Rio Bravo and its Tributaries along the Boundary Portion between the United States and Mexico (Final Report)

9/1994

.PDF icon link to Report(10 MB)

Second Phase of the Binational Study Regarding the Presence of Toxic Substances in the Rio Grande/Rio Bravo and its Tributaries along the Boundary Portion between the United States and Mexico (Final Report, Vol I of II) English Version

4/1998

.PDF icon link to Report(14 MB)

Second Phase of the Binational Study Regarding the Presence of Toxic Substances in the Rio Grande/Rio Bravo and its Tributaries along the Boundary Portion between the United States and Mexico (Final Report, Vol II of II) English Version

9/1997

.PDF icon link to Report(370 KB)

Segunda Fase del Estudio Binacional Sobre la Presencia de Sustancias Tóxicas en el Río Bravo/Río Grande y sus Afluentes, en su Porción Fronteriza Entre México y Estados Unidos (Informe Final, Vol I of II) Versión en Español

4/1998

.PDF icon link to Report(7 MB)

Salinity Reports

New2012 Report on Colorado River Salinity Operations, Under IBWC Minute No. 242

04/2014

.PDF icon link to Report (812 KB)

2011 Report on Colorado River Salinity Operations, Under IBWC Minute No. 242

09/2012

.PDF icon link to Report (334 KB)

2010 Report on Colorado River Salinity Operations, Under IBWC Minute No. 242

09/2011

.PDF icon link to Report (267 KB)

2009 Report on Colorado River Salinity Operations, Under IBWC Minute No. 242

12/2010

.PDF icon link to Report (231 KB)

2008 Report on Salinity Operations on the Colorado River Under Minute No. 242

6/2010

.PDF icon link to Report (223 KB)

2007 Report on Salinity Operations on the Colorado River Under Minute No. 242

8/2009

.PDF icon link to Report (208 KB)

2006 Report on Salinity Operations on the Colorado River Under Minute No. 242

1/2008

.PDF icon link to Report (230 KB

2005 Report on Salinity Operations on the Colorado River Under Minute No. 242

1/2007

.PDF icon link to Report (169 KB)

2004 Report on Salinity Operations on the Colorado River Under Minute No. 242

12/2005

.PDF icon link to Report (343 KB)

2003 Report on Salinity Operations on the Colorado River Under Minute No. 242

8/2004

.PDF icon link to Report (8.7 MB)

2002 Report on Salinity Operations on the Colorado River Under Minute No. 242

10/2003

.PDF icon link to Report (8.7 MB)

Flood Control Projects

   

Record of Decision for the Final Programmatic Environmental Impact Statement for Improvements to the Tijuana River Flood Control Project

6/30/2008

.PDF icon link to Report

Canutillo Floodwall Document -

   

FLO-2D Model Development Below Caballo Dam - URGWOM - Final Report on FLO-2D Model Development (5.6 MB - ZIP Icon 4.3 MB)

 

acrobat icon (< 1MB)