Analysis of aquifer framework and properties, North Magee Street well field, Southampton, New York

First posted June 5, 2023 For additional information, contact: Director, New York Water Science CenterU.S. Geological Survey425 Jordan RoadTroy, NY 12180–8349 The U.S. Survey, in cooperation with the Suffolk County Authority, evaluated groundwater-flow characteristics and aquifer properties of North Magee Street well field north village Southampton, York. Characteristics included direction, potential groundwater-contributing areas to production wells, transmissivity storage. groundwater flow were also allow Authority better assess source dissolved halocarbons (refrigerants, such as chlorofluorocarbons).The wells are screened upper glacial an observation is Magothy aquifer. Based on depth available logs, from was classified under water-table (unconfined) conditions, being semiconfined conditions.Groundwater flows radially during a northwesterly direction effect regional regime. A previously published particle tracking analysis identified following recharge contributing nearby field: (1) surface-water bodies Peconic Estuary, (2) South Shore Estuary Reserve, (3) area Atlantic Ocean, (4) another field. Five other pumping within study area, including those various pumped for golf-course irrigation.Analysis drawdown recovery data collected multiple-well test, through application Neuman analytical model, provided estimates properties. Inclusion lateral boundaries not necessary result satisfactory matches observed water-level responses. Aquifer estimated be 170,000 feet squared per day. Storativity 0.02 (dimensionless), specific yield 0.08 consistent inferred degree confinement characteristics.