Kansas City, Missouri Well Field CRA [33.3 kb]
The shape of the total CRA for the Kansas City, Missouri well field is roughly circular, centered around the well field, and extends along the northern bank of the Missouri River for approximately 1 kilometer for all pumping, river-stage scenarios. The total CRA is limited in extent by the nearness of the well field to the Missouri River and the alluvial valley walls. The location of the 1- and 5-year CRAs below and near the Missouri River and the relatively small total CRA indicates induced recharge from the Missouri River supplies a large part of the water for this well field.
Simulated pumping rates for the Kansas City, Missouri well field range from 2,442 m3/day for the QUASI scenario to 73,062 m3/day for the high-pumping scenario. The total CRA ranged from 0 km2 for the QUASI scenario to 0.339 km2 for the HPHR scenario.
The total CRA for all pumping, river-stage scenarios remained about the same size except for the QUASI scenario when pumping rates were so low that a CRA was not apparent and for the HPHR scenario when the increase of the 100 year CRA slightly increased the total CRA. This result indicates that induced recharge from the Missouri River is the dominant source of water to the Kansas City, Missouri well field. River stage changes did not affect the size of the 1-, 5-, 10-, or 100-year CRA between the two low pumping scenarios and only slightly changed the 10- and 100-year CRAs between the two high pumping scenarios.
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Updated: September 4, 2003
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URL: http://missouri.usgs.gov/indep/kelly/mo-alluvial-gw/cra/kcmo.htm