D-35
Iowa Geological Survey
Located in Plymouth County, Iowa, this groundwater monitoring location is associated with a water well in the Lower Cretaceous aquifers.
Well Construction
| Depth | Description | |
|---|---|---|
| -4.2-120.0 ft | 5.0 in diameter steel casing | |
| 0.0-184.0 ft | 4.0 in diameter steel casing | |
| 170.0-430.0 ft | 2.0 in diameter steel casing | |
| 515.0-520.0 ft | 2.0 in diameter slotted steel casing | |
| 430.0-434.0 ft | 2.0 in diameter perforated steel casing | |
| 434.0-515.0 ft | 2.0 in diameter steel casing |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-10.0 ft | Quaternary-Peoria | Tan loess |
| 10.0-21.0 ft | Quaternary-Peoria;Unknown | Tan sand |
| 21.0-35.0 ft | Unknown | Tan sand and gravel |
| 35.0-36.0 ft | Unknown | Tan clay |
| 36.0-42.0 ft | Unknown | Tan sand and gravel |
| 42.0-55.0 ft | Unknown | Tan clay |
| 55.0-60.0 ft | Unknown | Gray clay |
| 60.0-62.0 ft | Unknown | Tan clay |
| 62.0-68.0 ft | Unknown | Gray clay |
| 68.0-72.0 ft | Unknown | Tan clay |
| 72.0-78.0 ft | Unknown | Brown/Yellowish clay |
| 78.0-85.0 ft | Unknown | Gray sandy clay |
| 85.0-95.0 ft | Unknown | Tan sandy clay |
| 95.0-106.0 ft | Unknown | No Color Noted sand |
| 106.0-109.0 ft | Unknown | Gray/Bluish sandy clay |
| 109.0-110.0 ft | Cretaceous-Greenhorn Limestone | Tan limestone |
| 110.0-128.0 ft | Cretaceous-Greenhorn Limestone | No Color Noted limestone |
| 128.0-172.0 ft | Cretaceous-Greenhorn Limestone/Graneros Shale | No Color Noted shale |
| 172.0-175.0 ft | Cretaceous-Graneros Shale | Gray siltstone |
| 175.0-184.0 ft | Cretaceous-Graneros Shale/Dakota | Gray shale |
| 184.0-216.0 ft | Cretaceous-Dakota | Gray shale |
| 216.0-217.0 ft | Cretaceous-Dakota | No Color Noted coal |
| 217.0-218.0 ft | Cretaceous-Dakota | Gray shale |
| 218.0-228.0 ft | Cretaceous-Dakota | Tan sandstone |
| 228.0-229.0 ft | Cretaceous-Dakota | Brown dolomite |
| 229.0-239.0 ft | Cretaceous-Dakota | Gray shale and sandstone |
| 239.0-240.0 ft | Cretaceous-Dakota | No Color Noted dolomite |
| 240.0-245.0 ft | Cretaceous-Dakota | No Color Noted siltstone |
| 245.0-250.0 ft | Cretaceous-Dakota | Gray shale |
| 250.0-255.0 ft | Cretaceous-Dakota | Gray shale and sandstone |
| 255.0-274.0 ft | Cretaceous-Dakota | Gray shale |
| 274.0-275.0 ft | Cretaceous-Dakota | Tan dolomite |
| 275.0-280.0 ft | Cretaceous-Dakota | Gray shale |
| 280.0-289.0 ft | Cretaceous-Dakota | Brown shale |
| 289.0-302.0 ft | Cretaceous-Dakota | Gray shale |
| 302.0-313.0 ft | Cretaceous-Dakota | Tan sandstone |
| 313.0-314.0 ft | Cretaceous-Dakota | Gray shale |
| 314.0-448.0 ft | Cretaceous-Dakota | Tan sandstone |
| 448.0-480.0 ft | Cretaceous-Dakota | Gray shale |
| 480.0-487.0 ft | Cretaceous-Dakota | Tan sandstone |
| 487.0-500.0 ft | Cretaceous-Dakota | Gray shale |
| 500.0-531.0 ft | Cretaceous-Dakota | Tan sandstone |
| 531.0-540.0 ft | Cretaceous-Dakota | Gray shale |
| 540.0-555.0 ft | Cretaceous-Dakota | Gray shale |
| 555.0-557.0 ft | Cretaceous-Dakota | Red shale |
| 557.0-575.0 ft | Cretaceous-Dakota | Green shale |
| 575.0-581.0 ft | Cretaceous-Dakota;Devonian | Varicolored limestone and shale |
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Agency Iowa Geological Survey Site Name D-35 Site Number 25736 Site Type WELL Lat/Long (WGS84) 42.8097, -96.5472 Well Depth 581 Feet Elevation (NAVD88) 1283.0 ft Latitude 42.80971 Longitude -96.5472 Local Aquifer Name Dakota Fm. (None) National Aquifer Name Lower Cretaceous aquifers (N300LCRTCS) Aquifer Type CONFINED Water-Level Well Type Trend Water-Level Well Characteristics Background Water Quality Network Additional info Link 1 -
Activity Start Date Activity Start Time Characteristic Name Measure Value Units Detection Limit Value Type Sample Fraction Method Name Analytical Method System Sample Method ID Sample Method ID Context Sample Method Name Activity Type Code Data Provided By -
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How do we calculate statistics?
Overall Water Level Statistics (Depth to water, feet below land surface) Lowest Water Level Median Water Level Highest Water Level First Measurement Date Last Measurement Date Number of Measurements Years of Record Latest Value Latest Percentile 161.00 137.50 135.73 1979-12-14 2022-06-08 128 42.5 137.80 -- Statistics Calculated 2026-04-26 Monthly Water Level Statistics (Depth to water, feet below land surface) Month Lowest Median 10th Percentile 25th Percentile 50th Percentile 75th Percentile 90th Percentile Highest Median Number of Measurements Years of Record -
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