One Ranney well can make a difference: The impacts of a radial collector well on groundwater level and quality in the Cedar River alluvial aquifer
Groundwater Monitoring & Remediation
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Abstract
The City of Cedar Rapids, Iowa, depends on groundwater from the Cedar River alluvial aquifer for residential and industrial use. In 2020, the city completed an additional radial collector well, or Ranney well, and was concerned that pumping from the well at high rates may lower water level elevations in the aquifer, reduce yields from nearby production wells, and change the quality of produced water. During an operational test of the well's pumps, the U.S. Geological Survey and the city collected water level and water quality data to evaluate the effects of increased pumping rates on the aquifer and nearby production wells. Results indicated that a high rate of pumping from the new well caused sustained declines in water levels near the well and other nearby production wells, and, if maintained, the aquifer water level in the vicinity would continue to decline to levels observed during the 2012 drought. Aquifer specific conductance and temperature were altered and matched trends and values of the river, and river-to-well travel time was shortened from 7-17 days to about 3 days. Results may also provide insights to other municipal water resource managers when considering wellfield design, production expectations, and long-term management strategies for radial collector well production during drought, low streamflow, and times when high concentrations of nitrate-N or organic pesticide compounds in the river may limit production options.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | One Ranney well can make a difference: The impacts of a radial collector well on groundwater level and quality in the Cedar River alluvial aquifer |
| Series title | Groundwater Monitoring & Remediation |
| DOI | 10.1111/gwmr.12560 |
| Volume | 43 |
| Issue | 2 |
| Year Published | 2023 |
| Language | English |
| Publisher | John Wiley & Sons, Inc |
| Contributing office(s) | Washington Water Science Center, Central Midwest Water Science Center |
| Description | 10 p. |
| First page | 51 |
| Last page | 60 |
| Country | United States |
| State | Iowa |
| City | Cedar Rapids |
| Other Geospatial | Cedar River |
| Google Analytic Metrics | Metrics page |