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Swimming Pool Zoning Laws and Fencing Requirements Township of Knowlton, Warren County

June 11, 2018

Updated as of June 2018


Facilities constructed above or below ground having a depth of more than two feet and/or a water surface of 100 square feet or more and designed and maintained for swimming purposes. “Swimming pools” shall include all buildings, structures, equipment and appurtenances thereto.


Swimming pools that are not otherwise permanently installed and do not require water filtration, circulation and purification; do not exceed two feet in depth; do not exceed a water surface area of 100 square feet; and do not require braces or supports when located above ground.

Swimming pools, tennis courts and similar recreational structures. Except for portable swimming pools less than three feet in height and less than 10 feet in length or diameter, the following regulations shall apply to permanent and portable swimming pools, tennis courts and similar recreational facilities accessory to a residential use:


Said structure shall be erected on the same lot as the principal structure and shall require a construction permit.


Said structure may be erected in the side and/or rear yard of such lot and shall meet the yard requirements for accessory structures in this zone.


Said structure shall be appropriately screened, fenced and used so as not to be a nuisance or adversely affect adjoining properties.


On any corner lot, such use shall not be constructed within the front yard area to be provided on either street on any corner lot or any front yard.


Artificial lights used or maintained in connection with such uses shall be so located and shielded that the illumination therefrom is not directed upon adjacent property.


Said use shall meet all applicable codes and ordinances of the Township of Knowlton and any regulations of a county or state agency.


Swimming pools shall be fenced with a four-foot-high fence. The fence is to be used as protection against unsupervised entry of children into the pool area.


A pool shall occupy no more than the equivalent of 50% of the yard area in which it is located. For purposes of calculating the area of a pool, the area shall include the water surface, the patio adjoining the pool and any pumping, circulation and other mechanical equipment required to operate the pool.


For more information on New Jersey pool fencing laws and regulations, or if you are interested in what designs work best around your pool, visit Carl’s at or call 732-504-3372.

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