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State of New Jersey-Department of Environmental Protection-Division of Water Monitoring and Standards
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NJ HAB Response Strategy Document


  Bureau of Freshwater & Biological Monitoring


CyanoHAB Events
2019


The information on this page reflects the suspected or confirmed HAB events that the Department was made aware of in 2019. There may be other HABs that are occuring in NJ that are not reflected here. If you see a suspected HAB, avoid it & report it. In the case of a suspected bloom, people, pets and livestock should avoid contact with discolored water or water that has algae scums on the surface. Do not drink or consume the water. Do not eat fish from the waterbody. If there is contact with the water, rinse off as soon as possible with fresh water and seek medical or veterinary assistance if people or animals are experiencing adverse health effects after being exposed to a bloom.

The New Jersey State map image reflects the locations of reported HABs. Numbers on the map correspond to the accompanying table below which provides additional information regarding each HAB report including the affected waterbody(ies), county and municipality, and whether the bloom is suspected, confirmed or not a HAB after all. If the bloom is a HAB, the table also lists the lead agency, whether or not Advisories have been posted, if so, by whom, when they were posted and when they were removed. Links to additional information, when available, are also included.

To report a suspected HAB, call the NJDEP Hotline (1-877-WARNDEP) or use the WARN NJDEP mobile app.

Waterbodies with HABs Reports

Map Number (by Municipality) Waterbody Name: County: Municipality: Date Bloom Reported: Status: Lead Agency: Advisory Posted (Y/N): Bathing Beach Closure
(In season)
If Yes, By Whom: Date Posted: Date Removed: Actions
1 Deal Lake Monmouth Asbury Park City 5/10/19 Confirmed DEP Bureau of Freshwater and Biological Monitoring Yes NA Monmouth County Health Dept 5/13/19 Continuing
1 Sunset Lake Monmouth Asbury Park City 5/10/19 Confirmed DEP Bureau of Freshwater and Biological Monitoring Yes NA Monmouth County Health Dept 5/13/19 Continuing
2 Spruce Run Reservoir Hunterdon Clinton Township 6/1/19 Confirmed DEP Bureau of Freshwater and Biological Monitoring Yes Yes State Parks Service 6/1/19 6/14/19 Completed
2 Spruce Run Reservoir Hunterdon Clinton Township 6/15/19 Confirmed DEP Bureau of Freshwater and Biological Monitoring Yes Yes State Parks Service 6/15/19 Continuing
3 Swartswood Lake Sussex Stillwater Township 6/6/19 Confirmed DEP Bureau of Freshwater and Biological Monitoring Yes Yes State Parks Service 6/6/19 6/14/19 Completed
3 Swartswood Lake Sussex Stillwater Township 7/20/19 Confirmed
(at boat launch area only)
DEP Bureau of Freshwater and Biological Monitoring Yes
(at boat launch area only)
No State Parks Service 7/25/19 Continuing
4 Lake Mohawk Sussex Sparta Township 6/17/19 Confirmed DEP Bureau of Freshwater and Biological Monitoring Yes No Sussex County Health Dept 6/19/19 7/3/19 Completed
5 Lake Hopatcong

Sampling and Flight Results - updated as of 8/16/19

Press Releases - 6/27, 7/3, 7/12, 7/26, 8/1 and 8/14

Lake Hopatcong Commission Presentation (7/8/19)

FAQs

(follow link for known specific beach closures)

Sussex Hopatcong Borough 6/18/19 Confirmed DEP Bureau of Freshwater and Biological Monitoring Yes Yes (follow link for list of Agencies involved in posting closures 6/19/19 Continuing
6 Belcher's Creek Passaic West Milford Township 6/28/19 HAB not present DEP Bureau of Freshwater and Biological Monitoring No ----- ----- ----- ----- Completed
7 Rosedale Lake Mercer Pennington Borough 7/5/19 Confirmed DEP Bureau of Freshwater and Biological Monitoring Yes No Mercer County Health Dept 7/5/19 Continuing
8 Topanemus Lake Monmouth Freehold Township 7/7/19 HAB not present DEP Bureau of Freshwater and Biological Monitoring No ----- ----- ----- ----- Completed
6 Monksville Reservoir Passaic West Milford Borough 7/6/19 HAB not present DEP Bureau of Freshwater and Biological Monitoring No ----- ----- ----- ----- Completed
9 Big Flat Brook Sussex Sandyston Township 7/9/19 HAB not present DEP Bureau of Freshwater and Biological Monitoring No ----- ----- ----- ----- Completed
10 Unnamed pond Bergen Franklin Lakes Borough 7/9/19 HAB not present DEP Bureau of Freshwater and Biological Monitoring No ----- ----- ----- ----- Completed
11 Allamuchy Pond Warren Allamuchy Township 7/9/19 HAB not present DEP Bureau of Freshwater and Biological Monitoring No ----- ----- ----- ----- Completed
7 Willow Pond Mercer Pennington Borough 7/9/19 HAB not present DEP Bureau of Freshwater and Biological Monitoring No ----- ----- ----- ----- Completed
12 Spring Lake Mercer Trenton City 7/10/19 HAB not present DEP Bureau of Freshwater and Biological Monitoring No ----- ----- ----- ----- Completed
6

Greenwood Lake

Sampling and Flight Results - information updated on 8/15/19

Press Release (7/17)

Passaic West Milford Borough 7/12/19 Confirmed DEP Bureau of Freshwater and Biological Monitoring Yes Yes West Milford Health Dept/ State Park Service 7/16/19 Continuing
13 Musconetcong Lake Sussex Stanhope Borough 7/16/19 HAB not present DEP Bureau of Freshwater and Biological Monitoring No ----- ----- ----- ----- Completed
6 Wawayanda Lake Passaic West Milford Borough 7/17/19 HAB not present DEP Bureau of Freshwater and Biological Monitoring No ----- ----- ----- ----- Completed
14 Mercer County Park Lake Mercer West Windsor Borough 7/19/19 HAB not present DEP Bureau of Freshwater and Biological Monitoring No ----- ----- ----- ----- Completed
15 Camp Taylor Campground Warren Knowlton Township 7/22/19 HAB not present DEP Bureau of Freshwater and Biological Monitoring No ----- ----- ----- ----- Completed
16 Casting Pond Passaic Ringwood Borough 7/27/19 HAB not present DEP Bureau of Freshwater and Biological Monitoring No ----- ----- ----- ----- Completed
17 Budd Lake Morris Mount Olive Township 7/29/19 Confirmed DEP Bureau of Freshwater and Biological Monitoring Yes Yes Mt. Olive Twp Health Dept. 8/1/19 Continuing
13 Musconetcong Lake Sussex Stanhope Borough 7/29/19 Confirmed DEP Bureau of Freshwater and Biological Monitoring Yes NA State Parks Service 8/1/19 Continuing
18 Hopkins Pond Camden Haddonfield Borough 7/31/19 HAB not present DEP Bureau of Freshwater and Biological Monitoring No ----- ----- ----- ----- Completed
19 Manasquan Reservoir Monmouth Howell Township 8/5/19 Confirmed DEP Bureau of Freshwater and Biological Monitoring Yes NA Monmouth County Health Dept 8/7/19 Continuing
12 Stacy Pond Mercer Trenton City 8/5/19 Confirmed DEP Bureau of Freshwater and Biological Monitoring Yes NA Trenton Health Dept 8/8/19 Continuing
20 Memorial Lake Salem WoodsTown Borough 8/7/19 Confirmed DEP Bureau of Freshwater and Biological Monitoring Yes NA Salem County Health Dept. 8/8/19 Continuing
5 Rogerene Lake Morris Mount Arlington Borough 8/10/19 Confirmed DEP Bureau of Freshwater and Biological Monitoring Yes Yes Mount Arlington Health Dept. 8/14/19 Continuing
21 Manalapan Lake (Thompson Park) Middlesex Jamesburg Borough 8/12/19 HAB not present DEP Bureau of Freshwater and Biological Monitoring No ----- ----- ----- ----- Completed
4 Lake Grinnell Sussex Sparta Township 8/13/19 HAB not present DEP Bureau of Freshwater and Biological Monitoring No ----- ----- ----- ----- Completed

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Last Updated: August 16, 2019