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Today, many spreading grounds, which were once considered single-purpose facilities, are being converted to combine municipalities' goals for groundwater recharge with demands for additional recreational opportunities, green space and wildlife habitat. The
101:'s Groundwater Replenishment System serves as an example of one such system that is combining recycled water and storm water to recharge groundwater through spreading grounds to meet the municipality's annual water needs.
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Bradshaw, Jonathan L.; Luthy, Richard G. (2017-10-06). "Modeling and
Optimization of Recycled Water Systems to Augment Urban Groundwater Recharge through Underutilized Stormwater Spreading Basins".
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County of Los
Angeles Department of Public Works Water Resources Division. Hydrologic Report, 2013−2014; County of Los Angeles Department of Public Works: Los Angeles, 2015.
113:, which consists of two spreading grounds, is an example of one of these multi-purpose facilities. While the facility's east basin was converted into constructed wetlands (
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augment groundwater recharge, data suggests that the infiltration capacity of spreading grounds in drought-prone regions is underused due to the seasonality of
97:. In response, interest is being generated around MAR projects that utilize recycled water to supplement other water sources.
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117:(?)), the west basin remains a spreading ground that recharges the local aquifer by an estimated 450-acre feet annually.
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has 27 such facilities, and four more operated in conjunction with the department, many of which date to the 1930s.
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This article is about groundwater recharge facilities. For the film produced in 2000, see
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70:. Spreading grounds are one of several available technologies, and are useful to harness
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288:. July 2008;78(7):31-33. Available from: GreenFILE, Ipswich, MA. Accessed June 1, 2018.
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Landers J. Constructed
Wetlands to Improve Los Angeles River's Water Quality.
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201:"A behind-the-scenes battle to divert L.A.'s storm water from going to waste"
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47:. Spreading grounds must be located where underlying soils are
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When natural percolation of precipitation is insufficient to
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withdrawn for human use, artificial recharge helps prevent
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89:(MAR) projects utilizing storm water and diverted
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27:A spreading ground in California, circa 1917
43:long enough for it to percolate into the
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74:in populated areas with low
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157:"Groundwater Replenishment"
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305:Water resources management
247::10.1021/acs.est.7b02671.
51:and connected to a target
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111:Long Beach, California
107:Dominguez Gap Wetlands
39:facility that retains
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60:replenish groundwater
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91:surface water runoff
76:annual precipitation
18:The Spreading Ground
243:(20): 11809–11819.
135:"spreading grounds"
68:saltwater intrusion
72:storm water runoff
37:water conservation
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269:. Retrieved
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262:"About GWRS"
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121:References
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49:permeable
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212:11 March
95:rainfall
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249:ISSN
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186:2015
45:soil
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
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