ener Each yea uring Mach an April the SS conut a urvey f hydrologic conditions within the thee man waterbearing units uderlyi er maps in this report droersrp VieersveryNY rusgsgovmapslidtw ID: 455087
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ener DecembeLo____________ Each yea uring Mach an April, the SS conut a urvey f hydrologic conditions within the thee man water-bearing units uderlyi er- maps in this report. droersrp Vieers(veryNY r.usgs.gov/maps/li-dtw/ ) 2)UGS onlin NY (://ny.water.usgs.gov/maps/li-gc ) t at full size): er.usgs.gov/projec Onln Grounwater Level ata s avalabl see section elw. DDeepptthh ttoo WWaatteerr TTaabbllee rfri Area n wich the water tabl is DepartmentInterior aa TŠe upper gŽac‹aŽ aqu‹fer ‹s tŠeconta‹ns tŠe water tabŽe tŠrougŠ ‹s unsaturated. TŠe upper gŽac‹aŽ aqu‹fer was tŠpŽ› tŠrougŠout ong sŽand n tŠe w‹despread TŠe generaŽ conf‹gurat‹on of tŠe ‹s an eastwest ound, rang‹ng ‹n aŽt‹tude fro ŽocaŽ sea ŽeveŽ to ore tŠan 12‐ ft. above Nat‹onaŽ eodet‹c Vert‹caŽ Datu of 1ͻ2ͻ Count› and centraŽ SuffoŽ Count›. TŠe MagotŠ› aqu‹fer ‹s tŠe ost eštens‹ve un‹t ‹n ong sŽand’s b› eros‹on and gŽac‹aŽ scour. TŠe MagotŠ› aqu‹fer Šas becoe tŠe pr‹nc‹paŽ source of water su‹nat‹on ‹n tŠe upper gŽac‹aŽ aqu‹fer. TŠe generaŽ conf‹gurat‹on of tŠe aqu‹fer’s ‹s s‹‹Žar to tŠat of tŠe water tabŽe, r‹s‹ng graduaŽŽ› froude fro 3 ft. beŽow to ore tŠan 7‐ ft. above N VD, ‹n Nassau and western SuffoŽ Count‹toward tŠe eastern e DepartmentInterior aa TŠe Žo›d aqu‹fer ‹s tŠe basaŽ uof tŠe sŽand wŠere ‹t Šas been reoved b› eros‹on. TŠe generaŽ conf‹gurat‹on of tŠe tŠose ‹n tŠe overŽ›‹ng watertabŽe and MagotŠ› aqu‹fers. TŠe surface graduaŽŽ› r‹ses fro ound, rang‹ng ‹n aŽt‹tude sectionshowinghydrogeologicflownorthsouthothers, DepartmentInterior Geological TŠe groundwater ŽeveŽ data sŠown were downŽoaded fro tŠe US S Nat‹onaŽ ater nforat‹on S›ste ȋNSȌ database, accessed at Šttp://waterdata.usgs.gov/nw‹s/s‹ . TŠ‹s database conta‹ns records of ore tŠan ͺ5‐,‐‐‐ weŽŽs, spr‹ngs, test ŠoŽes, tunneŽs, dra‹ns, and ešcavat‹ons ‹n tŠe Un‹ted States. Ava‹ŽabŽe s‹te nforat‹on, sucŠ as Žat‹tude, Žong‹tude, weŽŽ deptŠ, and aqu‹fer. NS waterŽeveŽ data a› be quer‹ed and used to construct Š‹stor‹caŽ t‹eser‹es Š›drograpŠs for weŽŽs. As an ešapŽe, for SuffoŽ Count› apped“167ͺ3", and cŠoose "atcŠ an› part" tŠen cŽ‹c sub‹t. A searcŠ w‹ŽŽ be perfored and a resuŽt‹ng Ž‹st of s‹te nubers w‹ŽŽ appear; cŽ‹c on tŠe s‹te nuber, tŠen cŽ‹c on tŠe f‹eŽd groundwaterŽeveŽ easureents Add‹t‹onaŽ US S Ž‹ns ‹ncŽude: aa New Yor State Act‹ve roundwater eveŽ Networ: Šttp://groundwaterwatcŠ.usgs.gov/StateMaps/NY.ŠtŽ ‹stor‹caŽ roundwater eveŽ Data: Šttp://waterdata.usgs.gov/n›/nw‹s/gw/ Šttp://waterdata.usgs.gov/n›/nw‹s/qw/ Mont‹, ac r., and Scorca, M.P., 2‐‐3, Trends ‹n N‹trogen Concentrat‹on and N‹trogen oads Enter‹ng tŠe SoutŠ SŠore Estuar› Reserve fro Streas and roundater D‹scŠarge ‹n Nassau and SuffoŽ Count‹es, ong sŽand, New Yor, 1ͻ52ͻ7: U.S. eoŽog‹caŽ Surve› aterResources nvest‹gat‹ons Report ‐2−4255, 36 p. Ne‹cas, Bron‹us, MaŽŽard, .E., and Re‹ŽŽ›, T.E., 1ͻͺͻ, Ava‹Žab‹Ž‹t› and Š‹stor‹caŽ deveŽopent of groundwater resources of ong sŽand, New Yor—An ‹ntroduct‹on: U.S. eoŽog‹caŽ Surve› ater Resources nvest‹gat‹ons Report ͺͺ−4113, 43 p. SoŽens›, D.A., Bušton, .T., and SŠernoff, P.., 1ͻͺͻ, ›droŽog‹c fraewor of ong sŽand, New Yor: U.S. eoŽog‹caŽ Surve› ›droŽog‹c nvest‹gat‹ons AtŽas A7‐ͻ, 3 sŠeets, scaŽe 1:25‐,‐‐‐. Soren, uŽ‹an, and S‹ons, D.., 1ͻͺ7, TŠ‹cness and Š›drogeoŽog› of aqu‹fers and conf‹n‹ng un‹ts beŽow tŠe upper gŽac‹aŽ aqu‹fer on ong sŽand, New Yor: U.S. eoŽog‹caŽ Surve› aterResources nvest‹gat‹ons Report ͺ6−4175, 3 sŠeets, scaŽe 1:125,‐‐‐. Stu, Freder‹c, 2‐‐1, ›drogeoŽog› and eštent of saŽtwater ‹ntrus‹on of tŠe reat Nec ong sŽand, New Yor: U.S. eoŽog‹caŽ Surve› aterResources nvest‹gat‹ons Report ͻͻ−42ͺ‐, 41 p. Stu, Freder‹c, ange, A.D., and CandeŽa, .., 2‐‐2, ›drogeoŽog› and eštent of saŽtwater ‹ntrus‹on on ManŠasset Nec, Nassau Count›, New Yor: U.S. eoŽog‹caŽ Surve› aterResources nvest‹gat‹ons Report ‐‐−41ͻ3, 42 p. Stu, Freder‹c, ange, A.D., and CandeŽa, .., 2‐‐4, ›drogeoŽog› and eštent of saŽtwater ‹ntrus‹on ‹n tŠe nortŠern part of tŠe Town of O›ster Ba›, Nassau Count›, New Yor: U.S. eoŽog‹caŽ Surve› aterResources nvest‹gat‹ons Report ‐3−42ͺͺ, 55 p. _______________________________________________________________________________________________________________________________________ For ore ‹nforat‹on on tŠe US Ssource for sc‹ence about tŠe eartŠ, ‹ts naturaŽ and Ž‹v‹ng resources, naturaŽ Šaœards and tŠe env‹ronent: orŽd ‹de eb: For add‹t‹onaŽ ‹nforat‹on wr‹te to: New Yor ater Sc‹ence Center 2‐45 Route 112, BŽdg. 4 Cora, NY 11727 AutŠors ea‹Ž: Œont‹@usgs.gov ars‹tŠ@usgs.gov pdevr‹es@usgs.gov nforat‹on requests: TeŽ. ȋ51ͺȌ 2ͺ556‐2, asn›@usgs.gov , or web at: Šttp://n›.water.usgs.gov Prepared ‹n cooperat‹on w‹tŠ tŠeNASSAU COUNTY DEPARTMENT OF PUBC ORSNE YOR CTY DEPARTMENT OF ENVRONMENTA PROTECTONNE YOR STATE DEPARTMENT OF ENVRONMENTA CONSERVATONSUFFO COUNTY DEPARTMENT OF EAT SERVCESSUFFO COUNTY ATER AUT ORTYTON OF EAST AMPTONTON OF NORT EMPSTEADTON OF S ETER SANDTON OF SOUT AMPTONU.S. ENVRONMENTA PROTECTON A ENCY Or‹g‹naŽ des‹gn b› MattŠew BeŽŽ, 2‐‐ͻ