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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 405801072354405 S 91812. 1

Suffolk County, New York
Latitude  40°58'01", Longitude  72°35'44" NAD27
Land-surface elevation 53.0 feet above NGVD29
The depth of the well is 199 feet below land surface.
The depth of the hole is 199 feet below land surface.
This well is completed in the Northern Atlantic Coastal Plain aquifer system (S100NATLCP) national aquifer.
This well is completed in the Glacial Aquifer, Upper (112GLCLU) local aquifer.
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Water
level,
feet
below
land
surface
Water
level,
feet
above
specific
vertical
datum
Referenced
vertical
datum
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1988-10-2116:15 UTCm62610 5.84NGVD291OUSGSSA
1988-10-2116:15 UTCm62611 4.89NAVD881OUSGSSA
1988-10-2116:15 UTCm7201947.16  1OUSGSSA
1988-10-3115:47 UTCm62610 5.77NGVD291OUSGSSA
1988-10-3115:47 UTCm62611 4.82NAVD881OUSGSSA
1988-10-3115:47 UTCm7201947.23  1OUSGSSA
1988-11-0415:41 UTCm62610 5.75NGVD291OUSGSSA
1988-11-0415:41 UTCm62611 4.80NAVD881OUSGSSA
1988-11-0415:41 UTCm7201947.25  1OUSGSSA
1988-11-2117:30 UTCm62610 5.78NGVD291OUSGSSA
1988-11-2117:30 UTCm62611 4.83NAVD881OUSGSSA
1988-11-2117:30 UTCm7201947.22  1OUSGSSA
1988-12-0714:12 UTCm62610 6.10NGVD291OUSGSSA
1988-12-0714:12 UTCm62611 5.15NAVD881OUSGSSA
1988-12-0714:12 UTCm7201946.90  1OUSGSSA
1988-12-1317:40 UTCm62610 6.26NGVD291OUSGSSA
1988-12-1317:40 UTCm62611 5.31NAVD881OUSGSSA
1988-12-1317:40 UTCm7201946.74  1OUSGSSA
1988-12-2917:30 UTCm62610 6.18NGVD291OUSGSSA
1988-12-2917:30 UTCm62611 5.23NAVD881OUSGSSA
1988-12-2917:30 UTCm7201946.82  1OUSGSSA
1989-01-1015:45 UTCm62610 6.19NGVD291OUSGSSA
1989-01-1015:45 UTCm62611 5.24NAVD881OUSGSSA
1989-01-1015:45 UTCm7201946.81  1OUSGSSA
1989-01-2719:05 UTCm62610 6.18NGVD291OUSGSSA
1989-01-2719:05 UTCm62611 5.23NAVD881OUSGSSA
1989-01-2719:05 UTCm7201946.82  1OUSGSSA
1989-01-3106:41 UTCm62610 6.14NGVD291OUSGSSA
1989-01-3106:41 UTCm62611 5.19NAVD881OUSGSSA
1989-01-3106:41 UTCm7201946.86  1OUSGSSA
1989-02-2319:10 UTCm62610 6.02NGVD291OUSGSSA
1989-02-2319:10 UTCm62611 5.07NAVD881OUSGSSA
1989-02-2319:10 UTCm7201946.98  1OUSGSSA
1989-03-2720:10 UTCm62610 6.16NGVD291OUSGSSA
1989-03-2720:10 UTCm62611 5.21NAVD881OUSGSSA
1989-03-2720:10 UTCm7201946.84  1OUSGSSA
1989-04-1819:05 UTCm62610 9.12NGVD291OUSGSSA
1989-04-1819:05 UTCm62611 8.17NAVD881OUSGSSA
1989-04-1819:05 UTCm7201943.88  1OUSGSSA
1989-05-2219:10 UTCm62610 9.77NGVD291OUSGSSA
1989-05-2219:10 UTCm62611 8.82NAVD881OUSGSSA
1989-05-2219:10 UTCm7201943.23  1OUSGSSA
1989-09-2819:00 UTCm62610 11.70NGVD291OUSGSSA
1989-09-2819:00 UTCm62611 10.75NAVD881OUSGSSA
1989-09-2819:00 UTCm7201941.30  1OUSGSSA
1989-10-2418:25 UTCm62610 11.53NGVD291OUSGSSA
1989-10-2418:25 UTCm62611 10.58NAVD881OUSGSSA
1989-10-2418:25 UTCm7201941.47  1OUSGSSA
1989-11-2117:30 UTCm62610 11.78NGVD291OUSGSSA
1989-11-2117:30 UTCm62611 10.83NAVD881OUSGSSA
1989-11-2117:30 UTCm7201941.22  1OUSGSSA
1989-11-2721:10 UTCm62610 11.67NGVD291OUSGSSA
1989-11-2721:10 UTCm62611 10.72NAVD881OUSGSSA
1989-11-2721:10 UTCm7201941.33  1OUSGSSA
1990-01-2318:50 UTCm62610 11.64NGVD291OUSGSSA
1990-01-2318:50 UTCm62611 10.69NAVD881OUSGSSA
1990-01-2318:50 UTCm7201941.36  1OUSGSSA
1990-03-2616:28 UTCm62610 11.41NGVD291OUSGSSA
1990-03-2616:28 UTCm62611 10.46NAVD881OUSGSSA
1990-03-2616:28 UTCm7201941.59  1OUSGSSA
1990-04-2719:25 UTCm62610 10.68NGVD291OUSGSSA
1990-04-2719:25 UTCm62611 9.73NAVD881OUSGSSA
1990-04-2719:25 UTCm7201942.32  1OUSGSSA
1990-05-1518:05 UTCm62610 11.76NGVD291OUSGSSA
1990-05-1518:05 UTCm62611 10.81NAVD881OUSGSSA
1990-05-1518:05 UTCm7201941.24  1OUSGSSA
1990-06-1817:30 UTCm62610 11.69NGVD291OUSGSSA
1990-06-1817:30 UTCm62611 10.74NAVD881OUSGSSA
1990-06-1817:30 UTCm7201941.31  1OUSGSSA
1990-07-1118:10 UTCm62610 11.36NGVD291OUSGSSA
1990-07-1118:10 UTCm62611 10.41NAVD881OUSGSSA
1990-07-1118:10 UTCm7201941.64  1OUSGSSA
1990-08-1518:47 UTCm62610 10.90NGVD291OUSGSSA
1990-08-1518:47 UTCm62611 9.95NAVD881OUSGSSA
1990-08-1518:47 UTCm7201942.10  1OUSGSSA
1990-09-1917:33 UTCm62610 10.52NGVD291OUSGSSA
1990-09-1917:33 UTCm62611 9.57NAVD881OUSGSSA
1990-09-1917:33 UTCm7201942.48  1OUSGSSA
1990-10-1618:40 UTCm62610 10.80NGVD291OUSGSSA
1990-10-1618:40 UTCm62611 9.85NAVD881OUSGSSA
1990-10-1618:40 UTCm7201942.20  1OUSGSSA
1990-11-2621:15 UTCm62610 9.67NGVD291OUSGSSA
1990-11-2621:15 UTCm62611 8.72NAVD881OUSGSSA
1990-11-2621:15 UTCm7201943.33  1OUSGSSA
1990-12-1716:30 UTCm62610 8.45NGVD291OUSGSSA
1990-12-1716:30 UTCm62611 7.50NAVD881OUSGSSA
1990-12-1716:30 UTCm7201944.55  1OUSGSSA
1991-02-0117:40 UTCm62610 9.34NGVD291OUSGSSA
1991-02-0117:40 UTCm62611 8.39NAVD881OUSGSSA
1991-02-0117:40 UTCm7201943.66  1OUSGSSA
1991-02-2214:19 UTCm62610 9.58NGVD291OUSGSSA
1991-02-2214:19 UTCm62611 8.63NAVD881OUSGSSA
1991-02-2214:19 UTCm7201943.42  1OUSGSSA
1991-03-2015:00 UTCm62610 9.67NGVD291OUSGSSA
1991-03-2015:00 UTCm62611 8.72NAVD881OUSGSSA
1991-03-2015:00 UTCm7201943.33  1OUSGSSA
1991-04-2520:37 UTCm62610 9.77NGVD291OUSGSSA
1991-04-2520:37 UTCm62611 8.82NAVD881OUSGSSA
1991-04-2520:37 UTCm7201943.23  1OUSGSSA
1991-05-2821:15 UTCm62610 9.74NGVD291OUSGSSA
1991-05-2821:15 UTCm62611 8.79NAVD881OUSGSSA
1991-05-2821:15 UTCm7201943.26  1OUSGSSA
1991-06-1118:04 UTCm62610 9.64NGVD291OUSGSSA
1991-06-1118:04 UTCm62611 8.69NAVD881OUSGSSA
1991-06-1118:04 UTCm7201943.36  1OUSGSSA
1991-07-2217:05 UTCm62610 8.86NGVD291OUSGSSA
1991-07-2217:05 UTCm62611 7.91NAVD881OUSGSSA
1991-07-2217:05 UTCm7201944.14  1OUSGSSA
1991-08-2317:41 UTCm62610 8.77NGVD291OUSGSSA
1991-08-2317:41 UTCm62611 7.82NAVD881OUSGSSA
1991-08-2317:41 UTCm7201944.23  1OUSGSSA
1991-09-0116:29 UTCm62610 8.73NGVD291OUSGSSA
1991-09-0116:29 UTCm62611 7.78NAVD881OUSGSSA
1991-09-0116:29 UTCm7201944.27  1OUSGSSA
1991-09-1816:47 UTCm62610 8.86NGVD291OUSGSSA
1991-09-1816:47 UTCm62611 7.91NAVD881OUSGSSA
1991-09-1816:47 UTCm7201944.14  1OUSGSSA
1991-10-2217:32 UTCm62610 8.68NGVD291OUSGSSA
1991-10-2217:32 UTCm62611 7.73NAVD881OUSGSSA
1991-10-2217:32 UTCm7201944.32  1OUSGSSA
1991-11-2617:27 UTCm62610 8.51NGVD291OUSGSSA
1991-11-2617:27 UTCm62611 7.56NAVD881OUSGSSA
1991-11-2617:27 UTCm7201944.49  1OUSGSSA
1991-12-3018:03 UTCm62610 8.31NGVD291OUSGSSA
1991-12-3018:03 UTCm62611 7.36NAVD881OUSGSSA
1991-12-3018:03 UTCm7201944.69  1OUSGSSA
1992-01-3017:38 UTCm62610 8.35NGVD291OUSGSSA
1992-01-3017:38 UTCm62611 7.40NAVD881OUSGSSA
1992-01-3017:38 UTCm7201944.65  1OUSGSSA
1992-02-2017:18 UTCm62610 8.40NGVD291OUSGSSA
1992-02-2017:18 UTCm62611 7.45NAVD881OUSGSSA
1992-02-2017:18 UTCm7201944.60  1OUSGSSA
1992-03-1819:15 UTCm62610 8.37NGVD291OUSGSSA
1992-03-1819:15 UTCm62611 7.42NAVD881OUSGSSA
1992-03-1819:15 UTCm7201944.63  1OUSGSSA
1992-04-2318:38 UTCm62610 8.28NGVD291OUSGSSA
1992-04-2318:38 UTCm62611 7.33NAVD881OUSGSSA
1992-04-2318:38 UTCm7201944.72  1OUSGSSA
1992-05-2119:56 UTCm62610 7.83NGVD291OUSGSSA
1992-05-2119:56 UTCm62611 6.88NAVD881OUSGSSA
1992-05-2119:56 UTCm7201945.17  1OUSGSSA
1992-06-1617:58 UTCm62610 8.02NGVD291OUSGSSA
1992-06-1617:58 UTCm62611 7.07NAVD881OUSGSSA
1992-06-1617:58 UTCm7201944.98  1OUSGSSA
1992-07-2214:43 UTCm62610 8.02NGVD291OUSGSSA
1992-07-2214:43 UTCm62611 7.07NAVD881OUSGSSA
1992-07-2214:43 UTCm7201944.98  1OUSGSSA
1992-08-2617:37 UTCm62610 8.31NGVD291OUSGSSA
1992-08-2617:37 UTCm62611 7.36NAVD881OUSGSSA
1992-08-2617:37 UTCm7201944.69  1OUSGSSA
1992-09-1716:28 UTCm62610 8.63NGVD291OUSGSSA
1992-09-1716:28 UTCm62611 7.68NAVD881OUSGSSA
1992-09-1716:28 UTCm7201944.37  1OUSGSSA
1992-10-2717:43 UTCm62610 8.67NGVD291OUSGSSA
1992-10-2717:43 UTCm62611 7.72NAVD881OUSGSSA
1992-10-2717:43 UTCm7201944.33  1OUSGSSA
1992-11-1718:04 UTCm62610 8.57NGVD291OUSGSSA
1992-11-1718:04 UTCm62611 7.62NAVD881OUSGSSA
1992-11-1718:04 UTCm7201944.43  1OUSGSSA
1992-12-2918:30 UTCm62610 8.73NGVD291OUSGSSA
1992-12-2918:30 UTCm62611 7.78NAVD881OUSGSSA
1992-12-2918:30 UTCm7201944.27  1OUSGSSA
1993-01-2917:24 UTCm62610 8.96NGVD291OUSGSSA
1993-01-2917:24 UTCm62611 8.01NAVD881OUSGSSA
1993-01-2917:24 UTCm7201944.04  1OUSGSSA
1993-03-0214:57 UTCm62610 9.43NGVD291OUSGSSA
1993-03-0214:57 UTCm62611 8.48NAVD881OUSGSSA
1993-03-0214:57 UTCm7201943.57  1OUSGSSA
1993-03-2219:58 UTCm62610 9.78NGVD291OUSGSSA
1993-03-2219:58 UTCm62611 8.83NAVD881OUSGSSA
1993-03-2219:58 UTCm7201943.22  1OUSGSSA
1993-04-2315:19 UTCm62610 10.74NGVD291OUSGSSA
1993-04-2315:19 UTCm62611 9.79NAVD881OUSGSSA
1993-04-2315:19 UTCm7201942.26  1OUSGSSA
1993-05-1819:43 UTCm62610 10.90NGVD291OUSGSSA
1993-05-1819:43 UTCm62611 9.95NAVD881OUSGSSA
1993-05-1819:43 UTCm7201942.10  1OUSGSSA
1993-06-3014:57 UTCm62610 10.13NGVD291OUSGSSA
1993-06-3014:57 UTCm62611 9.18NAVD881OUSGSSA
1993-06-3014:57 UTCm7201942.87  1OUSGSSA
1993-07-1515:59 UTCm62610 9.71NGVD291OUSGSSA
1993-07-1515:59 UTCm62611 8.76NAVD881OUSGSSA
1993-07-1515:59 UTCm7201943.29  1OUSGSSA
1993-08-2520:24 UTCm62610 9.30NGVD291OUSGSSA
1993-08-2520:24 UTCm62611 8.35NAVD881OUSGSSA
1993-08-2520:24 UTCm7201943.70  1OUSGSSA
1993-09-2819:01 UTCm62610 8.92NGVD291OUSGSSA
1993-09-2819:01 UTCm62611 7.97NAVD881OUSGSSA
1993-09-2819:01 UTCm7201944.08  1OUSGSSA
1993-10-2617:43 UTCm62610 8.75NGVD291OUSGSSA
1993-10-2617:43 UTCm62611 7.80NAVD881OUSGSSA
1993-10-2617:43 UTCm7201944.25  1OUSGSSA
1993-11-2618:56 UTCm62610 8.55NGVD291OUSGSSA
1993-11-2618:56 UTCm62611 7.60NAVD881OUSGSSA
1993-11-2618:56 UTCm7201944.45  1OUSGSSA
1993-12-2217:24 UTCm62610 8.82NGVD291OUSGSSA
1993-12-2217:24 UTCm62611 7.87NAVD881OUSGSSA
1993-12-2217:24 UTCm7201944.18  1OUSGSSA
1994-02-0118:19 UTCm62610 9.27NGVD291OUSGSSA
1994-02-0118:19 UTCm62611 8.32NAVD881OUSGSSA
1994-02-0118:19 UTCm7201943.73  1OUSGSSA
1994-02-2220:12 UTCm62610 9.49NGVD291OUSGSSA
1994-02-2220:12 UTCm62611 8.54NAVD881OUSGSSA
1994-02-2220:12 UTCm7201943.51  1OUSGSSA
1994-03-3013:10 UTCm62610 10.70NGVD291OUSGSSA
1994-03-3013:10 UTCm62611 9.75NAVD881OUSGSSA
1994-03-3013:10 UTCm7201942.30  1OUSGSSA
1994-04-2117:17 UTCm62610 10.75NGVD291OUSGSSA
1994-04-2117:17 UTCm62611 9.80NAVD881OUSGSSA
1994-04-2117:17 UTCm7201942.25  1OUSGSSA
1994-05-2517:14 UTCm62610 10.62NGVD291OUSGSSA
1994-05-2517:14 UTCm62611 9.67NAVD881OUSGSSA
1994-05-2517:14 UTCm7201942.38  1OUSGSSA
1994-06-2118:10 UTCm62610 10.09NGVD291OUSGSSA
1994-06-2118:10 UTCm62611 9.14NAVD881OUSGSSA
1994-06-2118:10 UTCm7201942.91  1OUSGSSA
1994-07-2716:48 UTCm62610 8.96NGVD291OUSGSSA
1994-07-2716:48 UTCm62611 8.01NAVD881OUSGSSA
1994-07-2716:48 UTCm7201944.04  1OUSGSSA
1994-09-0116:29 UTCm62610 8.73NGVD291OUSGSSA
1994-09-0116:29 UTCm62611 7.78NAVD881OUSGSSA
1994-09-0116:29 UTCm7201944.27  1OUSGSSA
1994-09-2817:53 UTCm62610 8.54NGVD291OUSGSSA
1994-09-2817:53 UTCm62611 7.59NAVD881OUSGSSA
1994-09-2817:53 UTCm7201944.46  1OUSGSSA
1994-10-2717:40 UTCm62610 8.35NGVD291OUSGSSA
1994-10-2717:40 UTCm62611 7.40NAVD881OUSGSSA
1994-10-2717:40 UTCm7201944.65  1OUSGSSA
1994-12-2116:58 UTCm62610 7.95NGVD291OUSGSSA
1994-12-2116:58 UTCm62611 7.00NAVD881OUSGSSA
1994-12-2116:58 UTCm7201945.05  1OUSGSSA
1995-01-1918:16 UTCm62610 7.86NGVD291OUSGSSA
1995-01-1918:16 UTCm62611 6.91NAVD881OUSGSSA
1995-01-1918:16 UTCm7201945.14  1OUSGSSA
1995-03-2020:22 UTCm62610 8.14NGVD291OUSGSSA
1995-03-2020:22 UTCm62611 7.19NAVD881OUSGSSA
1995-03-2020:22 UTCm7201944.86  1OUSGSSA
1995-05-1915:20 UTCm62610 7.92NGVD291OUSGSSA
1995-05-1915:20 UTCm62611 6.97NAVD881OUSGSSA
1995-05-1915:20 UTCm7201945.08  1OUSGSSA
1995-07-2418:25 UTCm62610 7.18NGVD291OUSGSSA
1995-07-2418:25 UTCm62611 6.23NAVD881OUSGSSA
1995-07-2418:25 UTCm7201945.82  1OUSGSSA
1995-09-2816:24 UTCm62610 6.84NGVD291OUSGSSA
1995-09-2816:24 UTCm62611 5.89NAVD881OUSGSSA
1995-09-2816:24 UTCm7201946.16  1OUSGSSA
1995-11-3017:28 UTCm62610 7.32NGVD291OUSGSSA
1995-11-3017:28 UTCm62611 6.37NAVD881OUSGSSA
1995-11-3017:28 UTCm7201945.68  1OUSGSSA
1996-01-2520:10 UTCm62610 7.93NGVD291OUSGSSA
1996-01-2520:10 UTCm62611 6.98NAVD881OUSGSSA
1996-01-2520:10 UTCm7201945.07  1OUSGSSA
1996-03-2115:54 UTCm62610 9.30NGVD291OUSGSSA
1996-03-2115:54 UTCm62611 8.35NAVD881OUSGSSA
1996-03-2115:54 UTCm7201943.70  1OUSGSSA
1996-06-2517:16 UTCm62610 10.14NGVD291SUSGSSA
1996-06-2517:16 UTCm62611 9.19NAVD881SUSGSSA
1996-06-2517:16 UTCm7201942.86  1SUSGSSA
1996-09-1617:35 UTCm62610 8.95NGVD291SUSGSSA
1996-09-1617:35 UTCm62611 8.00NAVD881SUSGSSA
1996-09-1617:35 UTCm7201944.05  1SUSGSSA
1997-03-1318:38 UTCm62610 11.13NGVD291OUSGSSA
1997-03-1318:38 UTCm62611 10.18NAVD881OUSGSSA
1997-03-1318:38 UTCm7201941.87  1OUSGSSA
1998-03-1715:35 UTCm62610 9.40NGVD291SUSGSSA
1998-03-1715:35 UTCm62611 8.45NAVD881SUSGSSA
1998-03-1715:35 UTCm7201943.60  1SUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracymDate is accurate to the Minute
Parameter code62610Groundwater level above NGVD 1929, feet
Parameter code62611Groundwater level above NAVD 1988, feet
Parameter code72019Depth to water level, feet below land surface
Referenced vertical datumNAVD88North American Vertical Datum of 1988
Referenced vertical datumNGVD29National Geodetic Vertical Datum of 1929
Status1Static
Method of measurementOObserved.
Method of measurementSSteel-tape measurement.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.