CT-NSN 77
U.S. Geological Survey
Located in New London County, Connecticut, this groundwater monitoring location is associated with a water well in the Other aquifers.
Well Construction
No well construction data is available
No lithology data is available
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Agency U.S. Geological Survey Site Name CT-NSN 77 Site Number 412931071514201 Site Type WELL Lat/Long (NAD83) 41.4921, -71.8599 Well Depth 43 Feet Elevation (NAVD88) 516.93 ft Latitude 41.4921 Longitude -71.8598527777778 Local Aquifer Name Till (None) National Aquifer Name Other aquifers (N9999OTHER) 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 18.21 11.98 4.78 1991-10-25 2025-03-27 454 33.4 8.62 76.5 Statistics Calculated 2025-04-20 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 14.28 11.82 10.89 10.1 8.81 7.58 5.99 31 31 Feb 12.81 12.40 11.05 10.41 9.39 7.73 7.12 29 29 Mar 12.78 11.67 10.30 9.63 8.73 6.98 4.78 32 32 Apr 12.98 11.58 10.58 9.68 8.74 7.66 6.17 33 33 May 12.96 12.55 11.92 11.12 10.24 8.90 7.28 32 32 Jun 14.17 14.02 13.52 12.77 11.54 10.09 8.22 32 32 Jul 15.43 15.14 14.80 13.96 13.04 11.58 9.51 33 33 Aug 16.61 16.32 15.48 14.96 14.27 13.17 10.81 33 33 Sep 17.42 16.92 16.09 15.60 14.63 13.03 11.55 33 33 Oct 17.97 17.06 16.12 14.41 12.87 9.93 9.42 34 34 Nov 18.21 16.62 15.82 12.96 12.32 9.30 7.43 34 34 Dec 15.93 14.52 12.22 10.48 9.01 8.03 6.99 32 32 Statistics Calculated 2025-04-20 -
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