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Infiltration will occur where local groundwater elevation is higher than the sewer pipe. Gravel bedding materials in sewer pipe trenches act as a French drain. Groundwater flows parallel to the sewer until it reaches the area of damaged pipe. In areas of low groundwater, sewage may exfiltrate into groundwater from a leaking sewer. [6]
Prior to SGMA, groundwater use was under-regulated to a point where many areas of the state faced major depletion, particularly in the San Joaquin Valley and other groundwater basins on the central coast and southern California that have been designated by the State's Department of Water Resources (DWR) as being critically overdrafted.
It's the first area in California to go through this process under the state's landmark groundwater law that aims to keep water flowing sustainably after years of drought and overpumping has led ...
A diagram of a traditional French drain. A French drain [1] (also known by other names including trench drain, blind drain, [1] rubble drain, [1] and rock drain [1]) is a trench filled with gravel or rock, or both, with or without a perforated pipe that redirects surface water and groundwater away from an area.
After state regulators determined in 2022 that the Kern groundwater plans were inadequate, the 14 so-called groundwater sustainability agencies in the area began splitting and forming new local ...
The law has led to the collection of more groundwater data and nearly $1 billion in state funding, and has raised public awareness about how heavy pumping, particularly for agriculture, has ...
California groundwater basins, subbasins, and hydrologic regions. The California Department of Water Resources recognizes 10 hydrologic regions and three additional drainage areas within the U.S. state of California. The hydrologic regions are further subdivided into 515 groundwater basins. [1]
The litigation comes as California is stepping up efforts to regulate the use of groundwater after years of drought and with potentially drier winters due to climate change. Farming is a key part ...