- Water Quality Program
- Hudson River Estuary Data
- Albany County & Rensselaer County Sites
- Greene County & Columbia County Sites
- Ulster County & Dutchess County Sites
- Beacon Harbor
- Esopus Creek Entrance
- Esopus Creek West
- Kingston Point Beach
- Kingston Sewage Treatment Plant Outfall
- Malden Launch Ramp
- Marlboro Landing
- Norrie Point mid-channel
- Norrie Point Yacht Basin
- Port Ewen Drinking Water Intake
- Poughkeepsie Drinking Water Intake
- Poughkeepsie Launch Ramp
- Rondout Creek- Eddyville Anchorage
- Rondout Creek- Kingston Public Dock
- Tivoli Landing
- Ulster Landing Beach
- Wappingers- New Hamburg
- Orange County & Putnam County Sites
- Rockland County & Westchester County Sites
- Annesville Creek
- Cedar Pond Brook
- Croton Point Beach
- Emeline Beach- Haverstraw
- Furnace Brook
- Haverstraw Bay mid-channel
- Irvington Beach
- Kingsland Point Park- Pocantico River
- Nyack Launch Ramp
- Orangetown Sewage Treatment Plant Outfall
- Ossining Beach
- Peekskill Riverfront Green Park
- Piermont Pier
- Saw Mill River
- Stony Point mid-channel
- Tappan Zee Bridge mid-channel
- Tarrytown Marina
- Upper Sparkill Creek
- Yonkers mid-channel
- Yonkers Sewage Treatment Plant Outfall
- New York City, Hudson County & Bergen County Sites
- 125th St. Pier
- 79th Street midchannel
- Bayridge Flats
- Castle Point, NJ
- Dyckman Street Beach
- East River mid-channel at 23rd Street
- East River mid-channel at Roosevelt Island
- George Washington Bridge mid-channel
- Gowanus Canal
- Harlem River – Willis Ave. Bridge
- Harlem River- Washington Bridge
- Morris Canal
- Newtown Creek- Dutch Kills
- Newtown Creek- Metropolitan Ave. Bridge
- North River Sewage Treatment Plant at 145th
- Pier 96 Kayak Launch
- The Battery mid-channel
- Tributary and Waterfront Data
- Bronx River
- Bronx- Burke Avenue Bridge
- Bronx- River Park at 182nd Street
- Bronxville- Near Grassy Sprain Brook confluence
- Eastchester- Bronx River Parkway at Leewood Drive
- Greenburgh- Greenacres Avenue
- Hunts Point Riverside Park beach & dock
- Mount Pleasant- Highclere Lane
- Mount Pleasant- S Kensico Ave at Pat Henry Field
- Soundview Park- HP-009 CSO outfall
- Soundview Park- Mouth of river
- Soundview- Starlight Park North dock
- White Plains- Westchester County Center
- Yonkers- Bronx R Pkwy between McLean & Wakefield Aves
- Yonkers- Muskrat Cove outfall
- Catskill Creek
- Cairo- Above WWTP outfall
- Cairo- Below WWTP outfall
- Catskill Creek- East End
- Cauterskill- Kaaterskill Creek tributary
- Cauterskill- Rt 23 Bridge swimming hole
- Durham- Dean’s Mill swimming hole & fishing
- Durham- Ten Mile Creek tributary
- East Durham- Route 67/67A swimming hole
- East Durham- Thorp Creek tributary
- Freehold- Basic Creek tributary
- Jefferson Heights- West Main Street
- Leeds- Fire Department intake
- Leeds- Old Stone Bridge outfall
- Leeds- Slippery Rock
- Livingstonville- CCC Camp Road fishing access
- Livingstonville- Route 145
- Livingstonville- Stone Store Road
- Middleburgh- The Vlaie fishing & boating access
- Oak Hill- above Oak Hill
- Oak Hill- Brandow Memorial Park boating access
- Potter Hollow- Route 145/81 fishing access
- Preston Hollow- Cheese Hill Road fishing access
- South Cairo Bridge
- East River
- Bowery Bay- WPCP
- Bronx River- Mouth
- Bronx River- Riverside Park boat launch
- Bronx River- Starlight Park
- East River- Barretto Point Park
- East River- Ferry Point Park
- East River- Fort Totten Park
- East River- Hell Gate Bridge
- East River- Hunts Point WPCP
- East River- Mid-channel A
- East River- Mid-channel B
- East River- Tallman Island WPCP
- East River- Throgs Neck
- East River- Wards Island WPCP
- East River- Whitestone shoreline
- Flushing Bay- Inner Bay mouth
- Flushing Bay- Outer Bay mid-channel
- Flushing Bay- Outer Bay mouth
- Flushing Bay- Pier 1
- Flushing Bay- World’s Fair Marina
- Flushing Creek- Inner
- Flushing Creek- Mouth
- Flushing Creek- Northern Blvd
- Flushing Creek- Whitestone Expressway
- Little Neck Bay- Eastern embayment
- Little Neck Bay- Inner
- Little Neck Bay- Outer
- Luyster Creek- Inner
- Luyster Creek- Mouth
- Westchester Creek- Cross Bronx Expressway
- Westchester Creek- Inner
- Westchester Creek- Mouth
- Westchester Creek- Pugsley Creek
- Esopus Creek
- Esopus Creek Entrance
- Hurley- Route 209 fishing access
- Hurley- Wyncoop Rd Bridge Fire Dept intake
- Kingston- Washington Avenue Bridge
- Lake Katrine- Leggs Mill Bridge
- Lake Katrine- Plattekill Creek tributary
- Lake Katrine- Sawkill Creek tributary
- Lincoln Park- Orlando Park
- Marbletown- Ashokan Reservoir seepage
- Marbletown- Fording Place Road fishing access
- Marbletown- Little Beaver Kill source waters
- Marbletown- Mill Pond swim and boat access
- Marbletown- Tongore Creek tributary
- Marbletown- Tongore Park swimming beach
- Mt Marion- USGS Streamgage
- Saugerties Village Beach
- Saugerties- Cantines Island beach
- Mill Creek
- Mohawk River
- Amsterdam- North Chuctanunda Creek at Forest Ave.
- Amsterdam- North Chuctanunda Creek at Shuttleworth Park
- Amsterdam- Public dock at Riverlink Park
- Amsterdam- Quist Road boat launch
- Canajoharie- DEC boat launch at Route 10
- Charleston- Schoharie Creek at Burtonsville fishing access
- Cohoes- D/S of landfill at New Courtland St.
- Cohoes- Van Schaick Island at Heartt Ave informal access
- Cohoes- Van Schaick Island at Mohawk-Hudson Bike/Hike Trail
- Florida- Lock 10 boat launch
- Florida- Old Erie Lock 28 kayak launch
- Fort Plain- Lock 15 kayak launch
- Frankfort- Dyke Road Bridge
- German Flatts- Barge Canal at Lock 18
- Glen- Riverside Drive kayak access
- Glen- Schoharie Creek at Mohawk Crossing boat launch
- Glenville- Lock 9 boat launch
- Green Island- Silhouette Boathouse
- Halfmoon- I-87 crossing
- Halfmoon- Power line crossing
- Herkimer at I-90 bridge
- Herkimer- Fishing access at STP
- Herkimer- Gems Along the Mohawk kayak launch
- Herkimer- West Canada Creek at Lowe’s
- Ilion boat launch
- Little Falls- Canal Harbor boat launch at Rotary Park
- Manheim- East Canada Creek at Route 5 Bridge
- Middleburgh- Schoharie Creek at Timothy Murphy Park
- Minden- Barge Canal at Lock 16
- Niskayuna- Aqueduct Park rowing docks
- Niskayuna- Lock 7 boat launch
- Oriskany- Oriskany Creek tributary
- Rome- Barge Canal at city boat ramp
- Rome- Bellamy Harbor Park
- Rome- Delta Lake outlet
- Rotterdam- Lock 8
- Schenectady STP
- Schenectady- Mohawk Harbor
- Schuyler- Frankfort Harbor
- Schuyler- Moyers Creek tributary
- Utica- Barge Canal at Historic Utica Marina
- Utica- Park & Ride fishing access
- Utica- Reall Creek tributary
- Waterford- Flightlocks Road boat launch
- Waterford- Tail Race fishing area
- Whitestown- Route 32 Bridge
- Moordener Kill
- New York City Waterfront
- Alphabet City- East River, Stuyvesant Cove landing
- Astoria- East River, Hallets Cove beach
- Bayside- Little Neck Bay marina
- Bronx River- Hunts Point Riverside Park
- Brooklyn Heights- East River, Brooklyn Br Park, Pier 4 beach
- Brooklyn Heights- East River, Pier 2 kayak dock
- Brooklyn Navy Yard- East River, Wallabout Channel
- Bushwick Inlet Park
- Canarsie- Paerdegat Basin, Sebago Canoe Club dock
- Dumbo- East River, Main Street beach
- Financial District- East River, Brooklyn Bridge beach
- Flushing Creek
- Flushing Meadows Corona Park- Meadow Lake
- Flushing Meadows Corona Park- Willow Lake
- Flushing Meadows- Flushing Bay, World’s Fair Marina boat ramp
- Flushing Meadows- Flushing Bay, World’s Fair Marina Pier 1 east
- Flushing Meadows- Flushing Bay, World’s Fair Marina Pier 1 west
- Gowanus- Gowanus Canal, 2nd Avenue rain garden
- Gowanus- Gowanus Canal, 2nd Street boat launch
- Gowanus- Gowanus Canal, 2nd Street Sponge Park
- Gowanus- Gowanus Canal, Butler Street
- Gowanus- Gowanus Canal- 4th Street, Vechtes Brook
- Greenpoint- Newtown Ck, N Brooklyn Boat Club boathouse
- Hell’s Kitchen- Pier 66 dock, Hudson River Park
- Hell’s Kitchen- Pier 84 floating dock, Hudson River Park
- Hoboken Cove (Maxwell Place) Beach boathouse
- Hoboken- Pier 13
- Hunts Pt- Bronx R, Hunts Pt Riverside Pk beach & dock
- Inwood Canoe Club floating dock
- Inwood- Harlem R, Swindler’s Cove (P.J. Sharp boathouse)
- Inwood- Harlem River, Muscota Marsh rowing dock
- Long Island City- East River, Anable Basin dock
- Long Island City- East River, Gantry State Park dock
- Lower East Side- East River, Pier 42
- New York Botanical Garden- Bronx River boat access
- Randall’s Island- Bronx Kill, east landing
- Randall’s Island- Bronx Kill, west landing
- Randall’s Island- Little Hell Gate
- Red Hook- Valentino Pier beach
- Soundview- Bronx River, Starlight Park dock
- Tribeca- Pier 26 dock, Hudson River Park
- Upper West Side- Pier 1 (West 70th Street)
- Upper West Side- Pier 96 floating dock, Hudson River Pk
- Upper West Side- West 72nd Street kayak launch
- Washington Heights- West 154th Street, Riverside Park
- West Harlem Piers Park kayak dock
- West Village- Pier 40 dock, Hudson River Park
- Ossining Waterfront
- Pocantico River
- Briarcliff Manor- Above Pocantico Lake
- Briarcliff Manor- Below Pocantico Lake
- Briarcliff Manor- Caney Brook tributary
- Briarcliff Manor- Long Hill Road
- Briarcliff Manor- North County Trail
- Briarcliff Manor- Stone Creek Lane
- Kingsland Point Park- Pocantico River
- New Castle- Echo Lake
- Sleepy Hollow Cemetery
- Sleepy Hollow- Below Philipsburg Manor
- Sleepy Hollow- DEP Spillway
- Sleepy Hollow- Gory Brook tributary
- Sleepy Hollow- Rockefeller Brook tributary
- Sleepy Hollow- Rockefeller Park
- Poesten Kill
- Quackenderry Creek
- Quassaick Creek
- New Windsor- Near Little Falls Park
- New Windsor- Silver Stream above Lake Washington res
- New Windsor- Walsh Avenue above Newburgh CSO outfall
- Newburgh (C)- Above Muchattoes Lake
- Newburgh (C)- Gidneytown Creek tributary
- Newburgh (C)- Hudson River at Quassaick Creek
- Newburgh (C)- River Road below CSO outfall
- Newburgh (C)- Unnamed trib below Crystal Lake reservoir
- Newburgh (T)- Algonquin Park water play area
- Newburgh (T)- Bushfield Creek at Algonquin Park
- Newburgh (T)- Bushfield Creek below Orange Lake
- Newburgh (T)- Mill Street above Chadwick Lake reservoir
- Newburgh (T)- Patton Brook tributary
- Wallkill- New Unionville Road
- Roeliff Jansen Kill
- Ancram- Hall Hill Road Bridge
- Ancram- Lower Rhoda Pond outlet
- Ancram- Wiltsie Road Bridge fishing access
- Clermont/Livingston- Kerley Corners Rd. Bridge
- Copake- Noster Kill tributary at Route 7A
- Copake- Robinson Pond outlet
- Copake- Roeliff Jansen Park stream access
- Gallatin- Gallatin Conservation Area
- Germantown- Cheviot Park floating docks
- Germantown- Hudson River near WWTP
- Germantown- Lasher Memorial Park floating docks
- Germantown- Sportsmen’s Club
- Hillsdale- Collins Street Extension
- Livingston- Above Bingham Mills Dam
- Livingston- Below Bingham Mills Dam
- Livingston- RoeJan Creek Boat Club
- Milan- Academy Hill Road fishing access
- Rondout Creek
- Accord- Rochester Creek tributary
- Accord- Route 209 & River Street
- Alligerville- Route 6 Bridge swimming hole
- Eddyville- Creek Locks fishing access
- Ellenville- Beer Kill tributary
- Ellenville- Sandburg Creek tributary
- High Falls near D&H Canal
- Kerhonkson- 42nd Street Bridge
- Kerhonkson- Route 44/55 Bridge
- Kingston Point Beach
- Napanoch- Route 209
- Napanoch- State Prison
- Rondout Creek- Eddyville Anchorage
- Rosendale Trestle
- Rosendale- AJ Snyder Field
- Tillson- NY Thruway Crossing
- Wawarsing- Below Rondout Res. fishing access
- Wawarsing- Foordemore Road Bridge
- Wawarsing- Port Ben Road
- Saw Kill
- Milan (T)- Rock City
- Red Hook (T)- Aspinwall Road near Linden Acres
- Red Hook (T)- Bard campus below first dam
- Red Hook (T)- Below Montgomery Place dam
- Red Hook (T)- Below Red Hook Commons
- Red Hook (T)- Lakes Kill tributary at Trees for Tribs site
- Red Hook (T)- Near golf club
- Red Hook (T)- Near Montgomery Place kiosk
- Red Hook (T)- Near Recreation Park
- Red Hook (T)- Route 199
- Red Hook (T)- Tidal mouth
- Red Hook (T)- Turkey Hill Road below SPDES outfall
- Rhinebeck (T)- Below old landfill
- Saw Mill River
- Ardsley- V.E. Macy Park ballfields
- Elmsford- Above Mine Brook
- Elmsford- Mine Brook tributary
- Greenburgh- Rum Brook Park ballfields
- Greenburgh- Rum Brook tributary
- Hastings- South County Trail boat access at Farragut Avenue
- Mount Pleasant- Nannyhagen Brook tributary
- Mount Pleasant- Saw Mill River Road
- New Castle- Duck Pond spillway
- New Castle- Tertia Brook tributary
- Pleasantville- Pleasantville Road
- Yonkers Paddling and Rowing Club
- Yonkers- Dunbar Street
- Yonkers- Hearst Street
- Yonkers- Hudson River at Ludlow
- Yonkers- JFK Marina boat launch
- Yonkers- Saw Mill River, Van der Donck Park
- Yonkers- Torre Place
- Yonkers- Walsh Road
- Sawyer Kill
- Sparkill Creek
- Orangetown Sewage Treatment Plant Outfall
- Piermont Pier
- Blauvelt- Blauvelt Arm tributary
- Blauvelt- Clausland Arm
- Blauvelt- Marsico Court
- Blauvelt- Spruce Street
- Blauvelt- Tackamack trib at Greenbush Rd Bridge
- Orangeburg- Orangetown STP
- Orangeburg- Route 303/340
- Orangeburg- Tackamack tributary
- Piermont- Old Draw Bridge
- Piermont- Pirelli Park
- Piermont- Skating Pond
- Rockleigh, NJ- Sparkill Brook tributary
- Sparkill- Route 340
- Tappan- Moturis
- Tappan- Oak Tree Road
- Tappan- Route 303
- Tappan- State Line
- Upper Hudson River
- Corinth Beach
- Fort Edward- Above Lock 7 at floating docks
- Fort Edward- Bradley Beach kayak launch
- Fort Edward- Champlain Canal at East Street
- Glens Falls- Haviland Cove Beach
- Glens Falls- Kayak launch at Feeder Canal Trail
- Greenwich- Batten Kill at informal access point
- Hadley- Lower Sacandaga River at whitewater recreation area
- Halfmoon- Lighthouse Park kayak launch
- Johnsburg- Warren County canoe access
- Keene- Feldspar Brook tributary
- Keene- Lake Tear of the Clouds headwaters
- Lake Luzerne Wayside Beach
- Lake Luzerne- Hudson above Lower Sacandaga River confluence
- Mechanicville municipal canoe and kayak launch
- Moreau informal access point
- Moreau Lake State Park boat launch
- Moreau- DEC Roger’s Island Pool launch site
- Newcomb – Whitewater access point
- Newcomb- Below Henderson Lake
- Newcomb- Tahawus Road Bridge
- Saratoga informal boat launch
- Saratoga- Hudson Crossing Park
- Schaghticoke – Hoosic River tributary at Powerstation Road
- Schaghticoke municipal boat launch
- Schaghticoke- Hoosic River before Hudson confluence
- Schaghticoke- Lock 4 State Canal Park
- Schuylerville municipal boat launch
- Schuylerville- Fish Creek at Schuyler’s Canal Park
- Stillwater- Riverfront Park kayak launch
- Troy- Hudson above Mohawk River
- Warrensburg- Schroon River at Paper Mill Park boat launch
- Warrensburg- Warren County Fish Hatchery boat launch
- Wallkill River
- Franklin, NJ- Below Franklin Pond
- Gardiner- Shawangunk Kill tributary
- Gardiner- USGS Streamgage
- Goshen- Echo Lake Road
- Goshen- Rio Grande tributary at Heritage Trail
- Goshen- Route 6/17M
- Middletown- Cemetery Road
- Middletown- Stony Ford Road
- Montgomery- Benedict Farm Park floating dock
- Montgomery- I-84 Crossing
- Montgomery- Riverfront Park fishing access
- New Paltz- Mill Brook tributary at Route 32
- New Paltz- Plains Road boat launch
- New Paltz- Saw Mill Brook tributary
- New Paltz- Springtown Road boat launch
- Rifton- Cow Hough Road fishing access
- Shawangunk- Galeville Bridge
- Shawangunk- Orange/Ulster Line fishing access
- Sparta, NJ- Mohawk Lake source waters
- Sussex, NJ- Nat’l Wildlife Refuge south end canoe access
- Tillson- Coutant Rd below Sturgeon Pool
- Tillson- Rt 32 Bridge fishing access
- Unionville- Nat’l Wildlife Refuge boat & fishing
- Wawayanda- Pellets Island Bridge
- Wynants Kill
- Bronx River
- Water Quality Reports & Research Tools
- Drinking Water Source Protection
- New York Tap Water
- Pharmaceuticals
- Scientific Publications
