A-19-16 36DDB [Winslow I-40 Well]
U.S. Geological Survey
Located in Navajo County, Arizona, this groundwater monitoring location is associated with a water well in the Colorado Plateaus aquifers.
Well Construction
| Depth | Description | |
|---|---|---|
| 0.0-72.0 ft | 8.0 in diameter steel casing | |
| 72.0-610.0 ft | screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-72.0 ft | - | - |
| 72.0-170.0 ft | - | - |
| 170.0-None ft | - | - |
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Agency U.S. Geological Survey Site Name A-19-16 36DDB [Winslow I-40 Well] Site Number 350002110355501 Site Type WELL Lat/Long (NAD83) 35.0006, -110.5993 Well Depth 610 Feet Elevation (NGVD29) 4890.0 ft Latitude 35.0005776220497 Longitude -110.599298043463 Local Aquifer Name Coconino Sandstone (None) National Aquifer Name Colorado Plateaus aquifers (N300COPLTS) Aquifer Type UNCONFINED Water-Level Well Type Trend Water-Level Well Characteristics Suspected / Anticipated Changes 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 46.80 36.75 30.89 1957-11-01 2026-01-10 6919 68.2 36.84 44.00 Statistics Calculated 2026-01-12 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 Jan 37.54 37.26 36.94 36.75 36.35 35.46 34.50 23 23 Feb 37.40 37.27 36.86 36.60 35.93 34.89 30.89 23 23 Mar 37.19 36.87 36.62 36.22 35.36 34.27 33.90 26 26 Apr 37.10 36.79 36.66 36.27 35.83 34.47 34.10 22 22 May 37.09 36.86 36.69 36.29 35.80 35.42 34.97 23 23 Jun 37.42 37.38 37.02 36.71 36.28 35.65 35.00 22 22 Jul 37.87 37.78 37.52 37.22 36.74 36.09 35.90 21 21 Aug 37.93 37.79 37.50 37.15 36.79 36.14 34.40 22 22 Sep 37.93 37.72 37.57 37.31 36.67 35.31 34.60 22 22 Oct 42.10 37.79 37.51 37.03 36.27 35.35 34.70 30 30 Nov 40.00 37.73 37.34 37.05 36.61 35.71 34.50 24 24 Dec 37.65 37.34 37.07 36.81 36.30 35.09 34.60 23 23 Statistics Calculated 2026-01-12 -
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