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  2. Rincon Formation - Wikipedia

    en.wikipedia.org/wiki/Rincon_Formation

    A 1993 study found that approximately 74% of homes built on the Rincon Formation, or on alluvium or soils derived from the Rincon Formation, showed interior radon concentrations in excess of 4 picocuries per liter (pCi/L), the U.S. EPA action level, and 26% had measured levels of radon over 20 pCi/L. [18] According to the U.S. EPA, non-smokers ...

  3. Rincon Bayou - Wikipedia

    en.wikipedia.org/wiki/Rincon_Bayou

    The freshwater inundation provides the bayou with nutrients and enough fresh water to remove the saline water from the estuarine system. In 1984, though, the United States Bureau of Reclamation built a dam along the Frio River to create Choke Canyon Reservoir, which has consequently caused a decrease in freshwater flow into the Rincon Bayou ...

  4. Geology of Texas - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Texas

    Texas has been the leading state in petroleum production since discovery of the Spindletop oil field in 1901. [11] As of October 2017, the State of Texas (if treated as its own nation) is the 7th largest oil producing nation in the world, with production totaling approximately 3.78 million barrels (600 thousand cubic meters ) per day of oil ...

  5. Geology and hydrology of the Wichita Falls, Texas area

    en.wikipedia.org/wiki/Geology_and_hydrology_of...

    The Petrolia Formation (of the Late Wolfcampian-Leonardian systems) dominates the exposed Permian strata in Wichita falls, as mapped by the 1987 Texas Atlas of Geology. [4] The map describes the formation as 360–400 feet of weakly or unstratified mudstone with laminated, cross-bedded sandstone lenses. The formation increases in mudstone ...

  6. Estuaries of Texas - Wikipedia

    en.wikipedia.org/wiki/Estuaries_of_Texas

    III–1 Smaller settlements around the bay include Portland, Ingleside, and Ingleside on the Bay, all located on the north shore. [13] [14] Corpus Christi Bay is a deep-water natural harbor, and the shipping industry in the Port of Corpus Christi has been a major driver of human development in the region. [10]

  7. Will Texas run out of groundwater? Experts explain how ... - AOL

    www.aol.com/news/texas-run-groundwater-experts...

    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 ...

  8. List of dams and reservoirs in Texas - Wikipedia

    en.wikipedia.org/wiki/List_of_dams_and...

    Following is a list of dams and reservoirs in Texas. All major dams are linked below. The National Inventory of Dams defines any "major dam" as being 50 feet (15 m) tall with a storage capacity of at least 5,000 acre-feet (6,200,000 m 3 ), or of any height with a storage capacity of 25,000 acre-feet (31,000,000 m 3 ).

  9. Richland-Chambers Reservoir - Wikipedia

    en.wikipedia.org/wiki/Richland-Chambers_Reservoir

    The reservoir was built by the Tarrant Regional Water District (TRWD) who retains most of the water rights. TRWD is a water wholesaler to 11 counties in Texas. This water is pumped from Richland-Chambers via a 90-inch (2,300 mm) pipeline to balancing reservoirs and on to Lake Benbrook for storage before moving to the water treatment plants or ...