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National Water Information System: Web Interface

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USGS Current Conditions for Missouri

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Groundwater site type

• C - Collector or Ranney type well.
• D - Drain dug to intercept the water table or potentiometric surface to either lower the groundwater level or serve as a water supply.
• E - Excavation.
• H - Sinkhole.
• I - Interconnected wells, also called connector or drainage wells; that is, a well interconnected via an underground lateral.
• M - Multiple wells. Use only for well field consisting of a group of wells that are pumped through a single header and for which little or no data about the individual wells are available.
• O - Outcrop.
• P - Pond dug to intercept the water table or potentiometric surface.
• S - Spring (used only on spring schedule).
• T - Tunnel, shaft, or mine from which groundwater is obtained.
• W - Well, for single wells other than wells of the collector or Ranney type.
• X - Test hole, not completed as a well.