04140201

02020004

02020006

02050101

0415010102020001

02050102

04150408

04140202

04130002

02020003

04150305

04130003

02020002

04150302

04130001

02050105

02020007

05010001

04140102

02020008

02020005

02050103 02040101

02030202

04150306

02040102

05010002

04120104

04120103

02050104

04140101

02040104

02030101

04150304 04150406

04150303

04120102

04150404

04150308

04150307

04150401

04120101

04150102

05010004

02030201

02030103

04150301

01100005

04140203

02030102

02030104

01100006

04150409

02030203

WEBB

OHIO

ARIETTA

LONG LAKE

FINE

COLTON

WELLS

KEENE

DIANA

INDIAN LAKE

NEWCOMB

ISLIP

JAY

BATH

BROOKHAVEN

MINERVA

CROGHAN

FRANKLIN

CLIFTON

DAY

PERU

JOHNSBURG

ANDES

HANCOCK

HOPKINTON

LISBON

BELLMONT

MOREHOUSE

CLARE

GREIG

SANTA CLARA

SCHROON

WATSON

LEWIS

WAVERLY

OWEGO

HECTOR

HARRIETSTOWN

ALTONA

VIENNA

CANTON

WILNA

LAKE PLEASANT

NORTH ELBA

MALONE

LEE

SARANAC

WALTON

NORTH HUDSON

INLET

QUEENS

BETHEL

DENNING

HAGUE

DRYDEN

DUANE

OLIVE

DIX

KINGS

DELHI

CANDOR

ANTWERP

FORT ANN

HUNTER

WARWICK

WAWARSING

BOLTON

RUSSELL

LE RAY

LYME

DEKALB

POTSDAM

LEWIS

IRA

COLCHESTER

AVA

JAVA

TOMPKINS

MOOERS

BENSON

LIBERTY

SALISBURY

CLAY

SHANDAKENWINDSOR

TIOGA

BRASHER

CAIRO

SODUS

TUPPER LAKE

REDFIELD

BERNE

BLACK BROOK

SANFORD

ERIN

THURMAN

CHESTER

MORIAH

MILO

CHAZY

OSCEOLA

GREENE

ROXBURY

GALEN

ELLENBURG

ROOT

BUSTI

YORK

LISLE

ROCKLAND

LODI

PIERCEFIELD

HEMPSTEAD

BERLIN

WEST TURIN

PHELPS

FRANKLIN

VERONA

FULTON

RUSSIA

KENT

BARRE

GILBOA

LANSING

PARISHVILLE

OYSTER BAY

OVID

CLAYTON

DOVER

BRIGHTON

DANBY

CONSTANTIA

CHILI

POMPEY

EASTON

SALEM

SULLIVAN

ELLISBURG

CLINTON

ITALY

FAYETTE

HORICON

THOMPSON

NILES

AVON

STOCKHOLM

NEVERSINK

MAMAKATING

COLLINS

THERESA

HAMMOND

KNOX

HOPE

MINA

ELLERY

VIRGIL

BARTON

SCIO

RIGA

GLEN

MAINE

EDEN

MIDDLETOWN

RAMAPO

ARGYLE

ROCHESTER

WIRT

HUNTINGTON

OXFORD

FOWLER

VESTAL

MACOMB

ELBA

LEXINGTON

SIDNEY

AFTON

HAMDEN

RIPLEY

CHESTERFIELD

MOIRA

CATSKILL

PIKE

LIMA

ALLEGANY

HOOSICK

CONCORD

EATON

HOMER

JASPER

BOMBAY

CATO

HOWARD

OTSEGO

FALLSBURG

BATAVIA

ALMA

ROYALTON

LEON

MADRID

WALLKILL

ORLEANS

HEBRON

FABIUS

CUBA

MAYFIELD

CORINTH

HUME

ALBION

MINDEN

COLESVILLE

GHENT

BURKE

COLONIE

BOONVILLE

PITCAIRN

ELMA

STRATFORD

JOHNSTOWN

DARIEN

ORANGE

WILSON

EVANS

JEWETT

CICERO

DEERPARK

CAMDEN

CAROGA

EDINBURG

OTEGO

TYRE

TUSTEN

WILLSBORO

SENECA

STONY CREEK

HERMON

LYSANDER

VOLNEY

PARMA

BROOKFIELD

YATES

GUILFORD

ROSE

MILAN

NORFOLK

GENOA

ADAMS

FLORIDA

WESTPORT

TICONDEROGA

LYONSDALE

SHELBY

GORHAM

ERWIN

BOVINA

MEXICO

TUXEDO

ARCADIA

OTTO

RIVERHEAD

GREECE

DRESDEN

FORESTPORT

SCIPIO

ALLEN

WORTH

BRONX

HAMLIN

PARISH

LE ROY

MASSENA

MONTAGUE

NEWFIELD

AMENIA

RICHLAND

AMITY

GROTON

LYONS

ARCADE

MANLIUS

SCHODACK

UNION

DURHAMMEREDITH

ESSEX

LOUISVILLE

BLEECKER

CATON

VENICE

ALEXANDRIA

PITTSTOWN

ALABAMA

GRANBY

NASSAU

GALWAY

ANNSVILLE

SCRIBA

CHATHAM

AMHERST

EAGLE

CATLIN

WESTERN

JERUSALEM

CROWN POINT

RUSH

BROOME

CAROLINE

HURON

PARIS

CHAUTAUQUA

CUYLERBENTON

NELSON

ALMOND

SARDINIA

LENOX

PERRY

ONONDAGA

KORTRIGHT

CANISTEO

URBANA

GREENFIELD

SAUGERTIES

AVOCA

HANOVER

NEWFANE

OSSIAN

ASHFORD

MILFORD

RED HOUSE

LEDYARD

RICHMOND

AMBOY

NUNDA

FLOYD

WESTERLO

HARDENBURGH

LIVONIA

ATTICA

ALDEN

FREMONT

ROSSIE

BRANT

WALES

MARTINSBURG

PLATTSBURGH

ROMULUS

COPAKE

WHITEHALL

SPENCER

TURIN

GERRY

DUANESBURG

DENMARK

LLOYD

WOODSTOCK

GOSHEN

DEPOSIT

WILMINGTON

BARKER

DANNEMORA

EDWARDS

HADLEY

GOUVERNEUR

FLORENCE

CHAMPLAIN

ESOPUS

NAPLES

PAWLING

OGDEN

GRANVILLE

NAPOLI

BANGOR

MIDDLEFIELD

MOREAU

STARK

ITHACA

CLARENCE

HIGHLAND

ANCRAM

MALTA

SMYRNA

ST ARMAND

SHELDON

ORWELL

CARMEL

LOCKPORT

QUEENSBURY

HARTLAND

MORRIS

CHEMUNG

ELIZABETHTOWN

WARD

COHOCTON

MILTON

RUTLAND

OSWEGATCHIE

WOODHULL

VICTOR

HORNBY

LEWISTON

BABYLON

TYRONE

RODMAN

AUSABLE

SUMMIT

CARLTON

WILTON

GRAFTON

RIDGEWAY

UNADILLA

BUTLER

OPPENHEIM

PIERREPONT

NEWSTEAD

MARYLAND

GROVE

GLENVILLE

COLD SPRING

WHEELER

WINDHAM

TRUXTON

COEYMANS

STANFORD

CASTILE

BROWNVILLE

STERLING

MARCY

CANANDAIGUA

POTTER

SHARON

GENESEO

LEBANON

CAMERON

SOUTHAMPTON

GAINES

LAURENS

BYRON

STEUBEN

COVERT

TRENTON

NORWICH

POMFRET

LINDLEY

MACHIAS

MENDON

BIG FLATS

HASTINGS

POLAND

HANNIBAL

CAZENOVIA

SOUTHOLD

DAYTON

VERNON

PALATINE

EAST HAMPTON

HURLEY

HILLSDALE

HARMONY

OTSELIC

CLINTON

MADISON

CANAAN

CLYMER

WILLING

SMITHTOWN

SOUTHAMPTON

DEWITT

BEEKMANTOWN

STAMFORD

COVENTRY

CAMBRIA

DANSVILLE

OLEAN

ENFIELD

WARREN

SMITHVILLE

ISCHUA

TROUPSBURG

STOCKTON

TULLY

REMSEN

BRISTOL

WASHINGTON

WADDINGTON

COLDEN

CORNING

FISHKILL

DAVENPORT

STARKEY

BOSTON

AURORA

SOLON

MORRISTOWN

LAWRENCE

PALERMO

CALLICOON

BOLIVAR

PUTNAM

PAMELIA

SEWARD

LEYDEN

MASONVILLE

CHAMPION

BELFAST

GALLATIN

GARDINER

BENNINGTON

GUILDERLAND

WESTFIELD

CORTLANDT

BRANDON

FAIRFIELD

WAYLAND

EXETER

NORWAY

HAMILTON

FREEDOM

LYNDON

WARRENSBURG

FENTON

OTISCO

ULYSSES

VETERAN

HAMBURG

TORREY

BEDFORD

BUTTERNUTS

NEW BREMEN

BETHLEHEM

NEWBURGH

RICHMOND

PINCKNEY

PAVILION

CLAVERACK

ALFRED

ANDOVER

AUSTERLITZ

EAST FISHKILL

JACKSON

DICKINSON

WOLCOTT

TRIANGLE

PORTER

LAFAYETTE

EDMESTON

HARTFORD

SARATOGA

NICHOLS

WARSAW

VICTORY

TAYLOR

CARROLLTON

BURNS

HINSDALE

ONEONTA

PERTH

MOHAWK

PLYMOUTH

SWEDEN

MIDDLEBURG

MARBLETOWN

PENFIELD

PRATTSBURG

CALEDONIA

BETHANY

CAMPBELL

LORRAINE

LOWVILLE

HARTWICK

HOLLAND

ELBRIDGE

MACEDON

ROME CITY

PHILIPSTOWN

FENNER

GENESEE

VAN ETTEN

STEPHENTOWN

ULSTER

NEW BERLIN

SOUTHPORT

EPHRATAH

BIRDSALL

JUNIUS

RED HOOK

SOMERS

EAST OTTO

GREAT VALLEY

CHATEAUGAY

PEMBROKE

FORESTBURGH

SCHUYLER

MURRAY

MARION

SHERMAN

JEFFERSON

SPAFFORD

BRUNSWICK

PRESTON

ONTARIO

ATHENS

NEW SCOTLAND

SPARTA

LUMBERLAND

SPRINGWATER

KENDALL

CONESUS

SHERIDAN

RICHFORD

LOCKE

ANGELICA

WILLET

BOYLSTON

WORCESTER

LAKE LUZERNE

PALMYRA

STILLWATER

NEW LISBON

DE PEYSTER

NORTHEAST

GREENWICH

CARROLL

CARLISLE

CAPE VINCENT

PULTENEY

DANUBE

PREBLE

CLIFTON PARK

PHARSALIA

HYDE PARK

LA GRANGE

TAGHKANIC

SHERBURNE

MANSFIELD

ALBION

MONTGOMERY

WHITE CREEK

CAMILLUS

BURLINGTON

CRAWFORD

PROVIDENCE

KINGSBURY

SKANEATELES

WEBSTER

HOUNSFIELD

FRANKLINVILLE

WRIGHT

RHINEBECK

SPRINGFIELD

SAVANNAH

KIRKLAND

YORKTOWN

PERINTON

COLUMBIA

CLARKSTOWN

BLENHEIM

PITTSFIELD

SOMERSET

VILLENOVA

CANEADEA

THURSTON

COLUMBUS

RATHBONE

PORTVILLE

SCOTT

COXSACKIE

RENSSELAERVILLE

CORTLANDVILLE

MORAVIA

FREMONT

ELLICOTT

RANDOLPH

BERGEN

HENDERSON

SANDY CREEK

SCHAGHTICOKE

GERMAN

PITCHER

ELLINGTON

LIVINGSTON

WEST UNION

DELAWARE

MARILLA

HOPEWELL

SAND LAKE

MOUNT MORRIS

CONQUEST

AURELIUS

HUMPHREY

RUSHFORDFARMERSVILLE

WAYNE

GROVELAND

NEWPORT

LAPEER

HENRIETTA

GRANGER

CONESVILLE

LANCASTER

PORTLAND

SCHROEPPEL

MANHEIM

VAN BUREN

YORKSHIRE

CANADICE

CHARLESTON

BEEKMAN

GREENVILLE

UNION VALE

WOODBURY

WESTVILLE

SENNETT

BROADALBIN

PLATTEKILL

NEW PALTZ

RICHFIELD

HERKIMER

GREENWOOD

MARSHALL

FRANKFORT

CHARLTON

ELMIRA

PETERSBURG

CANAJOHARIE

CHARLOTTE

NEWARK VALLEY

LEICESTER

ELLICOTTVILLE

CLARKSON

TUSCARORA

WELLSVILLE

CAMBRIDGE

OSWEGO

FRIENDSHIP

READING

HARRISBURG

HARTSVILLE

HALFMOON

FARMINGTON

CHENANGO

MIDDLESEX

WESTFORD

STAFFORD

DEERFIELD

ALEXANDER

CATHARINE

ARKWRIGHT

MCDONOUGH

NEW ALBION

WALWORTH

AUGUSTA

SOUTH VALLEY

ROTTERDAM

LINCOLN

COCHECTON

PERSIA

BALLSTON

SOUTHEAST

HIGHLANDS

HORNELLSVILLE

BALDWIN

BAINBRIDGE

ADDISON

CONKLIN

CLARENDON

ROSEBOOM

KIRKWOOD

BARRINGTON

WILLIAMSON

PORTAGE

WATERTOWN

WAWAYANDA

GAINESVILLE

CONSTABLE

FLEMING

PATTERSON

MIDDLEBURY

BRUTUS

CLARKSVILLE

MANCHESTER

DE RUYTER GEORGETOWN

CONEWANGO

NORTH HEMPSTEAD

MARCELLUS

NORTH COLLINS

ASHLAND

CHESTER

NEW HUDSON

BERKSHIRE

PHILADELPHIA

SOUTH BRISTOL

PUTNAM VALLEY

NEW HAVEN

LITCHFIELD

CENTERVILLE

OWASCO

MINISINK

NEW BALTIMORE

PLAINFIELD

HORSEHEADS

CAYUTA

NORTH HARMONY

ORANGEVILLE

WESTMORELAND

PINE PLAINS

SCHOHARIECOBLESKILL

WILLIAMSTOWN

GREENBURGH

MENTZ

CHERRY VALLEY

NEW WINDSOR

PERRYSBURG

WHEATLAND

WINFIELD

CORNWALL

HARFORD

WEST ALMOND

GREENVILLE

NEW LEBANON

OAKFIELD

LEWISBORO

KINDERHOOK

HALCOTT

AMSTERDAM

WEST SPARTA

POESTENKILL

MONROE

LINCKLAEN

STONY POINT

WAPPINGER

GENEVA

CHERRY CREEK

GATES

FRENCH CREEK

WETHERSFIELD

PENDLETON

FREETOWN

MARATHON

SEMPRONIUS

WHEATFIELD

THROOP

SANGERFIELD

STOCKBRIDGE

DECATUR

SALINA

COVINGTON

SCHUYLER FALLS

ORANGETOWN

NANTICOKE

PITTSFORD

LITTLE VALLEY

GERMAN FLATTS

FORT COVINGTON

SPRINGPORT

SMITHFIELD

SUMMERHILL

HAVERSTRAW

WHITESTOWN

SALAMANCA

WATERLOO

BLOOMING GROVE

CHEEKTOWAGA

GRAND ISLAND

CINCINNATUS

SENECA FALLS

RICHMONDVILLE

KIANTONE

NEW CASTLE

MOUNT PLEASANT

CLERMONT

BRIDGEWATER

GREENPORT

ESPERANCE

NORTH SALEM

OSSINING

ASHLAND

HAMPTONBURGH

BRIGHTON

TONAWANDA

WEST SENECA

RYE

EAST GREENBUSH

ST JOHNSVILLE

NIAGARA

VARICK

SHAWANGUNK

HARPERSFIELD

WEST MONROE

ORCHARD PARK

LAKE GEORGE

POUGHKEEPSIE

HAMPTON

NORTHAMPTON

BRADFORD

INDEPENDENCE

STUYVESANT

NEW YORK

MOUNT HOPE

BUFFALO CITY

BINGHAMTON

FORT EDWARD

MONTOUR

PLEASANT VALLEY

EAST BLOOMFIELD

PRINCETOWN

NORTH CASTLE

LITTLE FALLS

NORTHUMBERLAND

ROSENDALE

MARLBOROUGH

HARRISON

PRATTSVILLE

POUND RIDGE

NORTH NORWICH

NEW HARTFORD

ROCHESTER CITY

MONTEZUMA

GEDDES

WEST BLOOMFIELD

NISKAYUNA

SYRACUSE CITY

ONEIDA CITY

STOCKPORT

ALBANY CITY

SARATOGA SPRINGS CITY

GENESEE FALLS

CLAYTON

NORTH GREENBUSH

GERMANTOWN

YONKERS CITY

ORLEANS

QUEENS

UTICA CITY

SHELTER ISLAND

KINGSTON

IRONDEQUOIT

MINETTO

WATERFORD

TROY CITY

NIAGARA FALLS CITY

SCARSDALE

NORTH DANSVILLE

MAMARONECK

BINGHAMTON CITY

DICKINSON

SCHENECTADY CITY

WHITE PLAINS CITY

NEW ROCHELLE CITY

DUNKIRK

KINGSTON CITY

AUBURN CITY

LOCKPORT CITY

SOUTHOLD

JAMESTOWN CITY

ELMIRA CITY

WATERTOWN CITY

NORTH TONAWANDA CITY

BABYLON

EASTCHESTER

EAST HAMPTON

RYE CITY

ALEXANDRIA

DUNKIRK

OLEAN CITY

OGDENSBURG CITY

GLEN COVE CITY

ITHACA CITY

LACKAWANA CITY

PLATTSBURGH CITY

PELHAM

BATAVIA CITY

PEEKSKILL CITY

HOUNSFIELD

AMSTERDAM CITY

FULTON CITY

BEACON CITY

SALAMANCA CITY

MOUNT KISCO

DUNKIRK CITY

IRONDEQUOIT

POUGHKEEPSIE CITY

GENEVA CITY

MIDDLETOWN CITY

ONEONTA CITY

COHOES CITY

CANANDAIGUA CITY

IRONDEQUOIT

GLOVERSVILLE CITY

OSWEGO CITY

LITTLE FALLS CITY

CORTLAND CITY

MOUNT VERNON CITY

GLENS FALLS CITY

JOHNSTOWN CITY

NEWBURGH CITY

OSWEGO CITY

TONAWANDA CITY

CORNING CITY

RENSSELAER CITY

PORT JERVIS CITY

HORNELL CITY

HUDSON CITY

NORWICH CITY

LONG BEACH CITY

SHERRILL CITY

GENEVA CITY

EAST ROCHESTER

WATERVLIET CITY

GREEN ISLAND

MECHANICVILLE CITY

ESSEX

ERIE

LEWIS

ST LAWRENCE

HAMILTON

FRANKLIN

ONEIDA

STEUBEN

ULSTER

HERKIMER

DELAWARE

CLINTON

OTSEGO

OSWEGO

WARREN

JEFFERSON

SULLIVAN

ALLEGANY

ORANGE

CATTARAUGUS

CAYUGA

WAYNE

TIOGABROOME

SUFFOLK

CHAUTAUQUA GREENE

CHENANGO

SARATOGA

DUTCHESS

ONTARIO

MONROE

MADISON

ONONDAGA

FULTON

ALBANYYATES

WYOMING

NIAGARA

LIVINGSTON

GENESEE

TOMPKINS

ORLEANS

CHEMUNG

PUTNAM

MONTGOMERY

COLUMBIA

WASHINGTON

SCHOHARIE

RENSSELAERSENECA

CORTLAND

NASSAU

SCHUYLER

WESTCHESTERROCKLAND

SUFFOLK

SCHENECTADY

QUEENSKINGS

BRONX

RICHMOND

NEW YORK

QUEENS

56

8 7 49

3

12

NYS Major DrainageBasins

NYS Counties &DEC Regions

NYS MAJOR DRAINAGE BASIN NUMBER AND NAME01 LAKE ERIE - NIAGARA RIVER

02 ALLEGHENY RIVER

03 LAKE ONTARIO AND MINOR TRIBUTARIES

04 GENESEE RIVER

05 CHEMUNG RIVER

06 SUSQUEHANNA RIVER

07 SENECA-ONEIDA-OSWEGO RIVER

08 BLACK RIVER

09 ST. LAWRENCE RIVER

10 LAKE CHAMPLAIN

11 UPPER HUDSON RIVER

12 MOHAWK RIVER

13 LOWER HUDSON RIVER

14 DELAWARE RIVER

15 PASSAIC-NEWARK (RAMAPO RIVER)

16 HOUSATONIC RIVER

17 ATLANTIC OCEAN - LONG ISLAND SOUND

HUC 8 HYDROLOGIC UNIT NAME04120101 Chautauqua-Conneaut04120102 Cattaraugus04120103 Buffalo-Eighteenmile04120104 Niagara05010001 Upper Allegheny05010002 Conewango05010004 French04130001 Oak Orchard-Twelvemile04140101 Irondequoit-Ninemile04140102 Salmon-Sandy04150102 Chaumont-Perch04130002 Upper Genesee04130003 Lower Genesee02050104 Tioga02050105 Chemung02050101 Upper Susquehanna02050102 Chenango02050103 Owego-Wappasening04140201 Seneca04140202 Oneida04140203 Oswego04150101 Black04150301 Upper St. Lawrence04150302 Oswegatchie04150303 Indian04150304 Grass04150305 Raquette04150306 St. Regis04150307 Salmon04150308 Chateaugay-English04150401 Mettawee River04150404 Ausable River04150406 Saranac River04150408 Lake Champlain04150409 Richelieu River02020001 Upper Hudson02020002 Sacandaga02020003 Hudson-Hoosic02020004 Mohawk02020005 Schoharie02020006 Middle Hudson02020007 Rondout02020008 Hudson-Wappinger02030101 Lower Hudson02040101 Upper Delaware02040102 East Branch Delaware02040104 Middle Delaware-Mongaup-Brodhead02030103 Hackensack-Passaic01100005 Housatonic01100006 Saugatuck02030102 Bronx02030104 Sandy Hook-Staten Island02030201 Northern Long Island02030202 Southern Long Island02030203 Long Island Sound

BASE MAPDEC REGIONS

COUNTY BOUNDARY

TOWN/CITY BOUNDARY

NYS 8 DIGIT HUC

LEGENDDEC REGIONS

COUNTY BOUNDARY

0 20 40 60 80 10010Miles

October 2012