Local number, U-1619, Tillson NY
U.S. Geological Survey
Located in Ulster County, New York, this groundwater monitoring location is associated with a water well in the Sand and gravel aquifers (glaciated regions).
Well Construction
| Depth | Description | |
|---|---|---|
| -3.41-32.0 ft | 2.0 in diameter pvc or plastic casing | |
| 32.0-37.0 ft | 2.0 in diameter pvc, fbrgls/plst screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-None ft | Sand & Gravel | Sand & Gravel |
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Agency U.S. Geological Survey Site Name Local number, U-1619, Tillson NY Site Number 414948074035001 Site Type WELL Lat/Long (NAD83) 41.83, -74.0639 Well Depth 41 Feet Elevation (NAVD88) 236.41 ft Latitude 41.83 Longitude -74.0638888888889 Local Aquifer Name Glacial Delta Deposits (None) National Aquifer Name Sand and gravel aquifers (glaciated regions) (N100GLCIAL) Aquifer Type UNCONFINED 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 20.76 17.03 13.72 1964-10-15 2026-02-17 9757 61.3 18.59 14.00 Statistics Calculated 2026-02-19 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 20.71 19.22 18.01 17.55 16.51 15.43 14.62 50 50 Feb 20.24 18.69 18.14 17.45 16.31 15.33 14.65 48 48 Mar 19.95 18.60 17.86 16.88 16.13 15.56 14.61 51 51 Apr 19.89 18.07 17.13 16.17 15.51 14.76 14.17 53 53 May 19.79 17.74 16.80 16.00 15.27 14.99 14.65 50 50 Jun 18.68 17.47 16.84 16.40 15.74 14.93 14.15 46 46 Jul 20.47 18.32 17.31 16.65 16.21 15.22 14.73 49 49 Aug 20.15 18.06 17.84 17.15 16.58 15.86 15.32 51 51 Sep 20.69 18.59 18.08 17.45 16.84 16.25 14.12 51 51 Oct 20.26 19.00 18.49 17.72 16.87 16.50 14.40 51 51 Nov 20.41 19.16 18.50 17.94 16.78 16.13 14.93 51 51 Dec 20.56 19.15 18.36 17.77 16.79 16.15 14.84 52 52 Statistics Calculated 2026-02-19 -
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