TMDL Projects for Organic Substances
Current TMDL projects for water bodies where high concentrations of organic substances like herbicides, pesticides, or industrial compounds may make it unsafe to eat fish or use the water as a source for a drinking-water treatment facility.
Organic substance are chemical compounds such as pesticides or herbicides. These chemicals, in high concentrations, may be harmful to aquatic life or may impair the use of a water body as a source for a drinking water treatment plant. Organic substances may also accumulate in the tissue of fish and pose a risk to people if consumed in large quantities over a large period of time.
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Topics Under This Category:
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Arroyo Colorado: A TMDL Project for Legacy Pollutants and Organics
A project to address impairments to surface water quality due to legacy pollutants and organics |
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Galveston Bay System: A Survey of Dioxin and PCBs
A current project of the TMDL Program to determine the extent of impairment to the safety of fish consumption due to dioxin and PCBs |
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Houston Ship Channel and Galveston Bay: A TMDL Project for Dioxin
A current project to develop TMDLs for dioxin in the Houston Ship Channel |
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Houston Ship Channel and Upper Galveston Bay: A TMDL Project for PCBs in Fish Tissue
A current project to develop TMDLs that reduce polychlorinated biphenyls (PCBs) in fish tissue |
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Trinity River: A TMDL Project for PCBs
A current project to develop TMDLs and reduce polychlorinated biphenyls (PCBs) in fish that live in portions of the Trinity River |


