An engineering economic analysis of a program for artificial groundwater recharge
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Abstract
This study describes and demonstrates two alternate methods for evaluating the relative costs and benefits of artificial groundwater recharge using percolation ponds. The first analysis considers the benefits to be the reduction of pumping lifts and land subsidence; the second considers benefits as the alternative costs of a comparable surface delivery system. Example computations are carried out for an existing artificial recharge program in Santa Clara Valley in California. A computer groundwater model is used to estimate both the average long term and the drought period effects of artificial recharge in the study area. For the example problem, the benefits of reduced average annual pumping lifts and reduced incremental subsidence are greater than the total costs of continuing the existing artificial recharge program. Benefits for reduced subsidence are strongly dependent on initial aquifer conditions. The second analysis compares the costs of continuing the artificial recharge program with the costs of a surface system which would achieve the same hydraulic effects. Results indicate that the costs of artificial recharge are considerably smaller than the alternative costs of an equivalent surface system. In evaluating a particular program, consideration should also be given to uncertainties in future supplies and demands for water as well as to the probability of extreme events such as droughts
Suggested Citation
Reichard, E.G., and Bredehoeft, J.D., 1984, An engineering economic analysis of a program for artificial groundwater recharge: Journal of the American Water Resources Association, v. 20, no. 6, p. 929-939, https://doi.org/10.1111/j.1752-1688.1984.tb04802.x.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | An engineering economic analysis of a program for artificial groundwater recharge |
| Series title | Journal of the American Water Resources Association |
| DOI | 10.1111/j.1752-1688.1984.tb04802.x |
| Volume | 20 |
| Issue | 6 |
| Publication Date | June 08, 2007 |
| Year Published | 1984 |
| Language | English |
| Publisher | Wiley |
| Description | 11 p. |
| First page | 929 |
| Last page | 939 |
| Country | United States |
| State | California |
| Other Geospatial | Santa Clara Valley |