Groundwater and Assessment Reports

Review groundwater and other assessments related to the UPRR site. 

Sitewide Groundwater Reports

• Groundwater Monitoring Report (July 2020) Union Pacific Railroad Houston Wood Preserving Works Facility Post-Closure Care Permit No HW-50343/Industrial SWR No. 31547 (pdf) (25.42 MB, April 2021)
• Response to Texas Commission on Environmental Quality Comment Letter Dated July 16, 2020 Interim Groundwater Monitoring Report (2019-2020), Dated April 2020 Union Pacific Railroad - Houston Wood Preserving Works Houston, Harris County, Texas Hazardous Was (pdf) (370.08 KB, August 2020)
• Interim Groundwater Monitoring Report (2019-2020) Union Pacific Railroad Houston Wood Preserving Works Facility Post-Closure Care Permit No HW-50343/Industrial SWR No. 31547 (pdf) (71.67 MB, April 2020)
• January 2019 Groundwater Monitoring Report Former Houston Wood Preserving Works Facility Post-Closure Care Permit No HW-50343 Industrial SWR No. 31547 (pdf) (13.24 MB, January 2019)
• Response to Texas Commission on Environmental Quality Letter Dated November 29, 2018 - UPRR Groundwater Monitoring Data, Houston Wood Preserving Works Facility 4910 Liberty Road Facility, Houston, Texas Post-Closure Care Permit# HW-50343; Industrial SWR (pdf) (74.12 MB, August 2018)

Semi-Annual Groundwater Reports

2021

• Corrective Action Monitoring Report 2021 First Semi-Annual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (10.17 MB, July 2021)
• Corrective Action Monitoring Report 2020 Second Semi-Annual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (9.74 MB, January 2021)

2020

• Corrective Action Monitoring Report 2020 First Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (10.78 MB, July 2020)
• Corrective Action Monitoring Report 2019 Second Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (5.79 MB, January 2020)

2019

• Corrective Action Monitoring Report 2019 First Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (8.62 MB, July 2019)

2018

• Corrective Action Monitoring Report 2018 Second Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (7.18 MB, December 2018)
• Corrective Action Monitoring Report 2018 First Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (7.98 MB, July 2018)
• Corrective Action Monitoring Report 2017 Second Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (3.97 MB, January 2018)

2017

• Corrective Action Monitoring Report 2017 First Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (3.82 MB, July 2017)
• Corrective Action Monitoring Report 2016 Second Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (6.84 MB, January 2017)

2016

• Corrective Action Monitoring Report 2016 First Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (28.75 MB, July 2016)
• Corrective Action Monitoring Report 2015 Second Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (6.73 MB, January 2016)

2015

• Corrective Action Monitoring Report 2015 First Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (10.04 MB, July 2015)

2014

• Corrective Action Monitoring Report 2014 First Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (9.13 MB, June 2014)
• Corrective Action Monitoring Report 2013 Second Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (6.88 MB, January 2014)

2013

• Corrective Action Monitoring Report 2013 First Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (6.38 MB, July 2013)
• Corrective Action Monitoring Report 2012 Second Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (5.27 MB, January 2013)

2012

• Corrective Action Monitoring Report 2012 First Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (4.37 MB, June 2012)
• Corrective Action Monitoring Report 2011 Second Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (4.23 MB, January 2012)

2011

• Corrective Action Monitoring Report 2011 First Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas. (pdf) (3.75 MB, July 2011)
• Corrective Action Monitoring Report 2010 Second Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (17.85 MB, January 2011)

2010

• Corrective Action Monitoring Report 2010 First Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (2.24 MB, July 2010)
• Corrective Action Monitoring Report 2009 Second Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (4.01 MB, January 2010)

2009

• Corrective Action Monitoring Report 2009 First Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (9.39 MB, July 2009)
• Corrective Action Monitoring Report 2008 Second Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (10 MB, January 2009)

2008

• Corrective Action Monitoring Report 2008 First Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (9.74 MB, July 2008)
• Corrective Action Monitoring Report 2007 Second Semiannual Event Former Houston Wood Preserving Works 4910 Liberty Road Houston, Texas (pdf) (6.51 MB, January 2008)

2007

• Correction Action Monitoring Report: 2007 First Semi-Annual Event Houston Wood Preserving Works, Houston, Texas TCEQ SWR No. 31547, Hazardous Solid Waste Permit No. 50343 (pdf) (5.66 MB, July 2007)

Groundwater Reports Prior to 2007

• Correction Action Monitoring Report: Second 2006 Semi-Annual Event Houston Wood Preserving Works, Houston, Texas TCEQ SWR No. 31547; Hazardous Solid Waste Permit No. 50343 (pdf) (5.64 MB, January 2007)
• Transmittal of the Semiannual Monitoring Report: First Semiannual Event 2006 Houston Wood Preserving Works, Houston, Texas (pdf) (69.65 MB, July 2006)
• Transmittal of the Semiannual Monitoring Report: First Semiannual Event 2006 Houston Wood Preserving Works, Houston, Texas (pdf) (4.41 MB, January 2006)
• Transmittal of the Semiannual Monitoring Report: First Semiannual Event 2005 Houston Wood Preserving Works, Houston, Texas (pdf) (7.86 MB, July 2005)
• Transmittal of Annual Report, Permit No. HW-50343-000, January 1 through December 31, 2004, EPA ill No. TD000820266, Houston Wood Preserving Works (pdf) (10.8 MB, January 2005)
• Transmittal of the Semiannual Monitoring Report: Second Semiannual Event 2004 Houston Wood Preserving Works, Houston, Texas (pdf) (163.83 MB, January 2005)
• Semiannual Monitoring Report: First Semiannual Event 2004 Houston Wood Preserving Works Houston, Texas (pdf) (12.03 MB, July 2004)
• Transmittal of Semiannual Monitoring Report; Second half of 2003; Former Houston Wood Preserving Works Site, Houston, Texas (pdf) (95.25 MB, January 2004)
• Transmittal of Annual Report, Permit No. HW-50343-000, January 1 through December 31, 2003, EPA ID No. TD000820266, Houston Wood Preserving Works (pdf) (1.66 MB, January 2004)
• Transmittal of Replacement Pages for the final Semiannual Monitoring Report; First half of 2003; Former Houston Wood Preserving Works Site, Houston, Texas (pdf) (114.27 MB, July 2003)
• Semiannual Monitoring Report: Second Semiannual Event 2002 Houston Wood Preserving Works Houston, Texas (pdf) (5.48 MB, January 2003)
• Semiannual Monitoring Report: First Semiannual Event 2002 Houston Wood Preserving Works Houston Texas (pdf) (6.82 MB, July 2002)
• Annual Report, Permit No. HW-50343-000, January 1 through December 31/ 2001 Former Houston Wood Preserving Works (pdf) (1.15 MB, January 2002)
• Semiannual Monitoring Report: Second Semiannual Event 2001 Former Houston Wood Preserving Works Houston, Texas (pdf) (5.4 MB, January 2002)
• Transmittal, Semiannual Monitoring Report; First Semiannual Event 2001; Compliance Plan No. CP-50343; Former Houston Wood Preserving Works Site, Houston, Texas (pdf) (102.36 MB, July 1, 2001)
• Semiannual Monitoring Report: First Semiannual Event 2000 Houston Wood Preserving Works Houston, Texas (pdf) (27.81 MB, July 2000)
• Semiannual Monitoring Report: First Semiannual Event 1999 - July 1, 1999 - December 31, 1999 Houston Wood Preserving Works Site. (pdf) (61.95 MB, January 2000)
• Semiannual Monitoring Report: First Semiannual Event 1999 (pdf) (42.32 MB, July 1999)
• Annual Report, Permit No. HW-50343-000, January 1 through December 31, 1998. Houston Wood Preserving Works. (pdf) (28.95 MB, January 1999)
• Semiannual Monitoring Report: First Semiannual Event 1998 Houston Wood Preserving Works Houston, Texas (pdf) (22.46 MB, July 1998)
• Semiannual Monitoring Report: Second Semiannual event 1997 (pdf) (47.74 MB, January 1998)
• Compliance Plan Semi-Annual Report January 1 Through June 30, 1997 (pdf) (50.63 MB, July 1997)
• Compliance Plan Semi-Annual Report January 1 Through June 30, 1997 (pdf) (23.62 MB, July 1997)
• Permit No. Hw-50343-000 Annual Report January 1 Through December 31, 1996 (pdf) (25.16 MB, January 1997)
• Compliance Plan Semi-Annual Report July 1 Through December 31, 1996 (pdf) (35.48 MB, January 1997)
• Southern Pacific Transportation Company 4910 Liberty Road Facility, Houston Post-Closure Care Permit No. HW-50343-000 Industrial Solid Waste Registration No. 31547 EPA ID No. TXD000820266 Compliance Plan No. CP-50343 Semi-Annual Report: January 1-June 30 (pdf) (33.92 MB, July 1996)
• Reports pursuant to the requirements of Provisions IILB, l.IV, C.5.g, and V.F. of Post-Closure Care Permit No. HW-50343-000, (pdf) (46.5 MB, March 1996)
• Permit No. Hw-50343-000 Annual Report January 1 Through December 31, 1996 (pdf) (10.22 MB, January 1996)
• Southern Pacific Transportation Company (SPTCo) 4910 Liberty Road Facility, Houston Post-Closure Care Permit No. HW-50343-000 Indutrial Solid Waste Registration No. 31547 EPA ID No. TXD000820266 Permit Submittal Annual Report: January 1 - December 31 (pdf) (23.3 MB, January 1996)

Liberty Road SW Sewer

• Response To Comment Letter Dated August 31, 2021, And Updated Proposed City Of Houston Storm Water Sewer Assessment Work Plan Union Pacific Railroad Company (pdf) (399.75 KB, September 2021)
• Approval of Response to Comments dated September 22, 2021 (pdf) (98.39 KB, September 2021)
• Comments on Proposed City of Houston Storm Water Sewer Assessment Work Plan (Work Plan), dated July 12, 2021 (pdf) (113.47 KB, August 2021)
• Proposed City Of Houston Storm Water Sewer Assessment Work Plan Union Pacific Railroad Company – Houston Wood Preserving Works Houston, Harris County, Texas (pdf) (365.74 KB)

Other Assessments

• Updated Soil Vapor Intrusion Assessment Report Union Pacific Railroad Houston Wood Preserving Works Facility 4910 Liberty Road, Houston, Texas Post-Closure Care Permit NO. HW-50343; Industrial SWR NO. 31547 (pdf) (7.62 MB, December 2020)
• Soil Gas Probe Water Source Evaluation Union Pacific Railroad Houston Wood Preserving Works Facility 4910 Liberty Road, Houston, Texas Post-Closure Care Permit NO. HW-50343; Industrial SWR NO. 31547 (pdf) (7.74 MB, October 2020)
• Updated Soil Vapor Intrusion Assessment Interim Report Union Pacific Railroad Houston Wood Preserving Works Facility 4910 Liberty Road, Houston, Texas Post-Closure Care Permit NO. HW-50343; Industrial SWR NO. 31547 (pdf) (13.49 MB, August 2020)
• Updated Pentachlorophenol Soil Assessment Interim Report Union Pacific Railroad Houston Wood Preserving Works Facility 4910 Liberty Road Facility, Houston, Texas Post-Closure Care Permit NO. HW-50343; Industrial SWR NO. 31547 (pdf) (5 MB, July 2020)
• Interim Non-Aqueous Phase Liquid (NAPL) and Total Petroleum Hydrocarbon(TPH)-NAPL Assessment Report (pdf) (38.21 MB, May 2020)
• Pentachlorophenol Soil Assessment Interim Report Union Pacific Railroad Houston Wood Preserving Works Facility 4910 Liberty Road Facility, Houston, Texas Post-Closure Care Permit NO. HW-50343; Industrial SWR NO. 31547 (pdf) (3.84 MB, March 2020)