The letter codes below refer to maximum bloom status that was documented by the DEC HABs Program in each waterbody in each year.

S (Suspicious Bloom) DEC sta� determined that conditions fi t the description of a cyanobacteria HAB based on visual observations and/or digital photographs

C (Confi rmed Bloom) Water sampling results have confi rmed the presence of a cyanobacteria HAB which may produce toxins or other harmful compounds

HT (Confi rmed with High Toxins Bloom) Water sampling results confi rmed that there were toxins present in quantities to potentially cause health e� ects if people or animals came in contact with the water

ALBANY COUNTY

HARMFUL ALGAL BLOOMS BY COUNTY

WATERBODY 2012 2013 2014 2015 2016 2017Alcove Reservoir C

Basic Creek Reservoir HT HT C S

Buckingham Lake C C C

Lawson Lake HT HT HT C C

Myosotis Lake C C

Onderdonk Lake C

Unnamed Pond Bozenkil S

Unnamed Pond Slingerlands C

Warners Lake C HT C

Washington Park Pond C HT

ALLEGANY COUNTYWATERBODY 2012 2013 2014 2015 2016 2017Alma Pond S

Andover Pond C C

Cuba Lake C

BRONX COUNTYWATERBODY 2012 2013 2014 2015 2016 2017Indian Lake C HT C

BROOME COUNTYWATERBODY 2012 2013 2014 2015 2016 2017Arctic Lake S S S S

Beaver Lake C HT C C C

Laurel Lake C C HT C C

White Birch Lake C S

CATTARAUGUS COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Allegheny Reservoir S C C C C C

Beaver Lake S

Beaver Lake Inlet S

Cuba Lake C

Lime Lake HT C HT HT

Quaker Lake S S

Red House Lake S S S S S

CAYUGA COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Blind Sodus Bay S C

Cayuga Lake C C HT

Dutch Hollow Brook S

Lake Como C HT C

Lake Ontario S S S

Owasco Lake HT HT HT HT HT

Skaneateles Lake HT

Sucker Brook C

CHAUTAUQUA COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Chautauqua Lake HT HT HT HT HT HT

Findley Lake HT HT C C

CHENANGO COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Bowman Lake S

Chenango Lake C C

Echo Lake C

Geneganslet Lake C S

Glenn Lake S

Guilford Lake C

Lake Petonia HT

Long Pond S

Norwich Reservoir E S

Plymouth Reservoir C HT

Thunder Lake S S

Warn Lake C

CLINTON COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Lake Champlain C S

COLUMBIA COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Copake Lake S C

Olana Pond S

Robinson Pond C C

Southerland Pond HT

Dean Pond HT HT HT HT HT

CORTLAND COUNTYWATERBODY 2012 2013 2014 2015 2016 2017Melody Lake C

Skaneateles Lake HT

Song Lake HT HT HT HT HT C

Unnamed Pond Deruyter S

DELAWARE COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Cannonsville Reservoir C S

East Sidney Lake S

Little Pond S

Somerset Lake C C

Titus Lake C

Unnamed Pond Delancy S

DUTCHESS COUNTYWATERBODY 2012 2013 2014 2015 2016 2017Ellis Pond S

Fall Kill Pond S

Mirror Lake S

Nooteeming Lake S S

Sepasco Lake C S

Stissing Pond S

Wilcox Park Pond North C HT

ERIE COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Delaware Park Lake C

Lake La Salle S

Unnamed Pond Collins S

Unnamed Pond Grand Island S

Unnamed Pond Orchard Park S

Unnamed Pond Wales S

ESSEX COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Lake Champlain C S

Lake Placid HT

Lincoln Pond C

Schroon Lake S

FRANKLIN COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Barnum Pond S C S

Deer River Flow C

Eagle Pond S C C

Horseshoe Pond C

Lake Ontario S S S

FULTON COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

East Caroga Lake C C

Kyser Lake S

Pleasant Lake C

GENESEE COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Mill Pond C HT

GREENE COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Coxsackie Reservoir C

Hollister Lake C

Sleepy Hollow Lake C HT C

HAMILTON COUNTYWATERBODY 2012 2013 2014 2015 2016 2017Eighth Lake C

Lake Eaton S

Lake Pleasant S

Seventh Lake C

HERKIMER COUNTYWATERBODY 2012 2013 2014 2015 2016 2017Cedar Lake C

Kyser Lake S

JEFFERSON COUNTYWATERBODY 2012 2013 2014 2015 2016 2017Boyd Lake HT HT

Butterfield Lake C C C

Grass Lake C C

Hyde Lake S

Lake of the Woods C

Lake Ontario S S S

Millsite Lake S

Moon Lake HT S S

North Sandy Pond C HT

Payne Lake S

Sixberry Lake C

Sixtown Pond S C

KINGS COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Prospect Park Lake S C HT HT HT

LIVINGSTON COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Avon Marsh Dam Pond HT HT HT

Conesus Creek S S

Conesus Lake S C C

Hemlock Lake C

MADISON COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Bradley Brook Reservoir C

Cazenovia Lake HT C C C

Craine Lake HT HT HT HT HT HT

De Ruyter Reservoir HT

Hatch Lake C C S

Lake Moraine C HT C C

Oneida Lake C S S S HT

Sunset Lake C

Tuscarora Lake C C

MONROE COUNTYWATERBODY 2012 2013 2014 2015 2016 2017Buck Pond C

Cranberry Pond HT

Durand Lake HT

Lake Lacoma S S C

Lake Ontario S S S

Unnamed Pond Fairport C

NASSAU COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Schodack Pond S

NEW YORK COUNTYWATERBODY 2012 2013 2014 2015 2016 2017Harlem Meer HT HT HT C

Morningside Pond C C

The Lake in Central Park HT HT HT HT HT

Turtle Pond HT HT HT

NIAGARA COUNTYWATERBODY 2012 2013 2014 2015 2016 2017Forest Lake C

Hyde Park Lake C

Lake Ontario S S S

ONEIDA COUNTYWATERBODY 2012 2013 2014 2015 2016 2017Oneida Lake C S S S HT

Unnamed Pond Delta Lake SP S

ONONDAGA COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

De Ruyter Reservoir HT

Hiawatha Lake C HT

Jamesville Reservoir C

Oneida Lake C S S S HT

Oneida River S S HT

Otisco Lake S C

Skaneateles Lake HT

Tully Lake C C

ONTARIO COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Canadice Lake C

Canandaigua Lake HT C HT

Hemlock Lake C

Honeoye Lake S HT HT HT C C

Muar Lakes S

Newark Reservoir C C

Seneca Lake HT HT HT

Sucker Brook C C

ORANGE COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Beaver Dam Lake C HT HT S C C

Brooks Lake C S

Brown's Pond C S S

Four Corners Pond C

Hessian Lake S

Lake Tiorati S

Little We Wah Lake C C C C

Muchattoes Lake C

Orange Lake C C HT C C C

Tomahawk Lake S HT

Tuxedo Lake C S

Unnamed Pond Algonquin Park S

Unnamed Pond East of Bullville S

Wee Wah Lake HT HT

Winding Hills Park Lake C

ORLEANS COUNTYWATERBODY 2012 2013 2014 2015 2016 2017Lake Ontario S S S

Waterport Reservoir S

OSWEGO COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Lake Neatahwanta C C HT C HT HT

Lake Ontario S S S

Lake Temalo C

Lorton Lake HT

OTSEGO COUNTYWATERBODY 2012 2013 2014 2015 2016 2017Allens Pond C

Canadarago Lake C C

Gilbert Lake C S

North Sandy Pond C HT

Oneida Lake C S S S HT

Oswego River HT

Panther Lake C

Pennellville Pond C

Pleasant Lake C HT C

South Sandy Pond S

PUTNAM COUNTYWATERBODY 2012 2013 2014 2015 2016 2017Barger Pond S S S

China Pond C

Croton Falls Reservoir S S

Indian Lake C

Kirk Lake C HT C C C

Lake Carmel S C C

Lake Casse S S

Lake Peekskill C HT C C C

Lake Tonetta S

Palmer Lake C

Patterson Veterans Park Swim Pond S

Peach Lake HT C C C

OSWEGO COUNTY CONTINUED

QUEENS COUNTYWATERBODY 2012 2013 2014 2015 2016 2017Bowne Pond S C C C

Golden Pond S HT C

Goose Pond HT HT

Kissena Lake S HT HT C HT

Oakland Lake C

RENSSELAER COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Big Bowman Pond C

Burden Lake C

Burden Third Lake C C

Hampton Manor Pond S

Long Pond S

Nassau Lake S C C HT C

Snyders Lake C C C S

Tomhannock Reservoir S S

Valatie Kill S C

Vosburg Pond C

Putnam Lake HT HT C C C

Roaring Brook Lake C HT C HT

Secor Lake S

PUTNAM COUNTY CONTINUED

RICHMOND COUNTYWATERBODY 2012 2013 2014 2015 2016 2017Allison Pond C C

Brooks Lake HT C HT

Clove Lake S C HT

Martlings Lake HT C HT

Raritan Bay Park Pond S

Silver Lake Reservoir S C HT

Willowbrook Pond C

Wolfes Pond NE HT

Wolfes Pond SW HT HT

ROCKLAND COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Congers Lake HT

Hackensack River East Branch S S

Hessian Lake S

Lake Boyce S

Lake Lucille C C

Lake Welch S

Rockland Lake S S C S S C

SARATOGA COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Ballston Lake C C C C

Round Lake C C

Saratoga Lake HT HT C HT

SCHENECTADY COUNTYWATERBODY 2012 2013 2014 2015 2016 2017Duane Lake C C S C

Iroquois Lake S C

Mariaville Lake C C HT HT

SCHOHARIE COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Central Bridge Upper Reservoir HT

Engleville Pond C

Looking Glass Pond C

Mallet Pond C

Summit Lake S

Vlaie Pond S

SCHUYLER COUNTYWATERBODY 2012 2013 2014 2015 2016 2017Cayuta Lake S C C HT

Lamoka Lake S S S

Lamoka Lake Channel S

Seneca Lake HT HT HT

Unnamed Pond Burdett S

Waneta Lake S S S S

SENECA COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Cayuga Lake C C HT

Cayuga-Seneca Canal C

Seneca Lake HT HT HT

Van Cleef Lake S

ST LAWRENCE COUNTYWATERBODY 2012 2013 2014 2015 2016 2017Black Lake HT HT HT C C C

Grass Lake C C

Lake Ontario S S S

Silver Lake C C

St Lawrence River S

STEUBEN COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Goodhue Lake S

Keuka Lake HT

Mosko Beachville Dam S

Mud Lake S

Smith Pond HT C C C C

Tanglewood Lake S

Unnamed Pond Cameron Mills HT

Waneta Lake S S S S

SUFFOLK COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Agawam Lake HT HT HT HT HT

Big Reed Pond C C C

Blydenburg Lake C

Coopers Neck Pond C

Deep Pond HT

Division Pond S

Fort Pond C C

Fresh Pond (Hither Hills SP) S

Fresh Pond (Shelter Island) S S S S

Georgica Pond S C C C C

Hook Pond C C

Kellis Pond C C C

Lake Capri C

Lake Ronkonkoma C C C HT HT

Laurel Lake C

Little Fresh Pond C

Maratooka Lake HT HT HT HT C

Marion Lake C

Mckay Pond C

Meadow Brook Pointe- Mill Pond Golf Course C

Mecox Bay C

Mill Pond (Watermill) C HT HT HT C

Niger Pond C

Old Town Pond C C C C

Peconic Lake C

Peconic River C

Pond at Victorian Gardens C

Poxabogue Pond C

Prestons Pond C

Roth Pond C HT HT

Sagaponack Lake C C C C

Sayre Pond C

Setauket Mill Pond C

Spring Lake C C

Stony Brook Duck Pond C C

Unnamed Pond Greenport S

Wainscott Pond C C C

Wickapogue Pond C C

Willow Pond C

SUFFOLK COUNTY CONTINUED

SULLIVAN COUNTYWATERBODY 2012 2013 2014 2015 2016 2017Evens Lake HT HT HT

Fox Lake C

Kiamesha Lake C

Lake Anawanda C

Lake Huntington C S S

Montgomery Lake C C C C C C

Morningside Lake HT HT HT S

Mountain Lake HT

Pleasure Lake C

Wolf Lake C C

TIOGA COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Unnamed Pond Berkshire C

TOMPKINS COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Cayuga Lake C C HT

Dryden Lake HT C

ULSTER COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Chodikee Lake S S

Esopus Creek S

Rondout Creek C

Sturgeon Pool S

Tillson Lake S

Unnamed Pond Kingston S

Unnamed Pond New Paltz S

Unnamed Wallkill Pond C

Wallkill River S HT

WARREN COUNTYWATERBODY 2012 2013 2014 2015 2016 2017Friends Lake C

Glen Lake C

Lake Sunnyside C C

Loon Lake C C

Schroon Lake S

WASHINGTON COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Cossayuna Lake HT C C S

Hadlock Pond C

Lake Champlain C S

Summit Lake S S C

WAYNE COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Blind Sodus Bay S C

Casey Park Pond S

Lake Ontario S S S

Port Bay C C

Sodus Bay S C C C C C

WESTCHESTER COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Bedford Lake C C C C HT C

Blue Heron Lake HT

Goodli�e Pond S

Grassy Sprain Reservoir C

Halsey Pond S

Lake Katonah C C C

Lake Lincolndale C HT C HT

Lake Mohegan C HT HT C C

Lake Oscaleta C

Lake Rippowam C C

Lake Waccabuc C C C HT S

Lounsbury Pond S

Muscoot Reservoir S

New Croton Reservoir S S

New Rochelle Reservoir No.1 HT

New Rochelle Reservoir No.3 S

North Lake C

Peach Lake HT C C C

Sheldrake Lake S

Silver Lake S

Tarrytown Reservoir S

Truesdale Lake C S

WESTCHESTER COUNTY CONTINUED

WYOMING COUNTYWATERBODY 2012 2013 2014 2015 2016 2017Java Lake C HT HT C HT

Silver Lake C HT HT

Wyomoco Pond S

YATES COUNTYWATERBODY 2012 2013 2014 2015 2016 2017

Canandaigua Lake HT C HT

Keuka Lake HT

Seneca Lake HT HT HT

Unnamed Pond Keuka Park S