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San Jacinto River Waste Pits Resource Library

​The San Jacinto River Waste Pits Superfund Site is located in Harris County, Texas. The location was used for disposing contaminated solid and liquid waste. In 2017, the United States Environmental Protection Agency (EPA) approved a cleanup plan to address the contaminated site.

Harris County Pollution Control Services Department (PCS) has created a library of resources to assist Harris County residents build knowledge of pollution in their communities. 

Please review the resource library below to learn more about the impact, risks, and cleanup plan for the San Jacinto River Waste Pits Superfund Site.


A review of the Texas, USA San Jacinto Superfund site and the deposition of polychlorinated dibenzo-p-dioxins and dibenzofurans in the San Jacinto River and Houston Ship Channel9/24/2016Research Paper


EPA: Tests show contaminants exposed at Texas Superfund site9/29/2017News Article
AP News
Houston-area toxic waste site removed from priority cleanup list4/16/2018News Article

Texas Tribune

Texas officials ignore dioxin spread in Houston waterways5/3/2018News Article

Houston Chronicle

Limited mobility of dioxins near San Jacinto super fund site (waste pit) in the Houston Ship Channel, Texas due to strong sediment sorption7/23/2018Research Paper


Final Treatability Study Work Plan Report5/20/2019Report


Clean up of San Jacinto Waste Pits moving forward4/10/2020News Article


Preliminary 30% Remedial Design Southern Impoundment Report4/13/2020Report


Preliminary 30% Remedial Design Northern Impoundment Report5/28/2020Report
Crews stabilize cap that covers San Jacinto Waste Pits6/20/2020News Article

Houston Chronicle

Update on San Jacinto River Waste Pits: EPA says deeper toxic waste means more time & money7/2/2020News Article

Star Courier News

Update On Status Of The San Jacinto River Waste Pits Site7/14/2020News Article

San Jacinto Facts

EPA Releases Preliminary Design for Remediation: Waste Pits Removal Will Have Major Impact On Area7/30/2020News Article
Star Courier News

Shotgun metagenomics of indigenous bacteria collected from the banks of the San Jacinto River for biodegradation of aromatic waste8/1/2020Research Paper


From Community Crisis to National Collaboration8/6/2020Web Page


San Jacinto River Waste Pits Superfund Site8/17/2020Web Page


Cleanup Of San Jacinto River Waste Pits Now Estimated To Take 7 Years8/26/2020News Article

Houston Public Media

Cleanup of San Jacinto River Hazardous Waste Pits Delayed8/27/2020News Article

Waste Today Magazine

Feds hope to start San Jacinto Waste Pits cleanup within 2 years9/9/2020News Article

Houston Chronicle

Here's what you need to know about progress being made at San Jacinto Waste Pits9/10/2020News Article


EPA cleanup at toxic Houston site could spread contamination10/22/2020News Article

E&E News

How tropical cyclone flooding caused erosion and dispersal of mercury-contaminated sediment in an urban estuary: The impact of Hurricane Harvey on Buffalo Bayou and the San Jacinto Estuary, Galveston Bay, USA12/15/2020Research Paper

Science Direct

Production of methylmercury by methanogens in mercury contaminated estuarine sediments12/22/2020Research Paper


EPA Delays Waste Pits Clean Up4/19/2021News Article

Baytown Sun News

Transmittal of Final 100% Remedial Design Southern Impoundment (Amended April 2021)4/19/2021Letter


Final 100% Remedial Design Southern Impoundment (Amended April 2021)4/19/2021Report


Appendix A Part 1 Of 5 Final 100% Remedial Design - Southern Impoundment (Amended April 2021)4/19/2021Report


Appendix A Part 2 Of 5 Final 100% Remedial Design Southern Impoundment (Amended April 2021)4/19/2021Report


Appendix A Part 3 Of 5 Final 100% Remedial Design Southern Impoundment (Amended April 2021)4/19/2021Report
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