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After section 208's failure to control NPS water pollution, in 1987 Congress passed the Water Quality Act which included a new section 319 to address the problem of nonpoint sources. [30] This provision, also non-regulatory, authorizes EPA to fund demonstration programs and provide technical assistance to state and local governments.
Hypersensitive response (HR) is a mechanism used by plants to prevent the spread of infection by microbial pathogens.HR is characterized by the rapid death of cells in the local region surrounding an infection and it serves to restrict the growth and spread of pathogens to other parts of the plant.
[21]: p. 2–9 Nutrient pollution such as nitrates can harm the aquatic environments by degrading water quality by lowering levels of oxygen, which can inturn induce algal blooms and eutrophication. [22] Other agrochemicals such as pesticides and fungicides can enter environments from agricultural lands through runoff and deposition as well.
During the 1990s, the Texas Legislature moved to make natural-resource protection more efficient by consolidating programs. In 1991, it combined the Texas Water Commission and the Texas Air Control Board to create the first version of the TCEQ, known as the Texas Natural Resource Conservation Commission until fall 1993. [3]
In Texas, there are 98 of these districts, covering nearly 70% of the state, according to the Texas Water Development Board. The Upper Trinity Groundwater Conservation District has the following ...
The FWPCA also authorized cooperation between federal and state agencies to construct municipal sewage treatment plants. The Water Quality Act of 1965 required states to issue water quality standards for interstate waters, and authorized the newly created Federal Water Pollution Control Administration to set standards where states failed to do ...
Most counties in Texas have reported kissing bug sightings. KXAS reports the rise in infections is more likely due to the growth of suburbs on land where the bugs are, instead of a greater number ...
Topsoil runoff from farm, central Iowa (2011). Water pollution in the United States is a growing problem that became critical in the 19th century with the development of mechanized agriculture, mining, and manufacturing industries—although laws and regulations introduced in the late 20th century have improved water quality in many water bodies. [1]