MINEOLA, N.Y. (CBSNewYork) — Officials on Long Island are advising against swimming at 14 beaches in Nassau County Sunday.

The Nassau Health Department says the advisory is a precautionary measure for beaches known to be impacted by storm water runoff caused by heavy rainfall.

Storm water runoff can impact the beach’s water quality by elevating bacteria levels which may exceed the state standard for bathing water quality, according to the health department.

The following 14 beaches on the North Shore are impacted:

Centre Island Sound – Bayville

Creek Club – Lattingtown

Lattingtown Beach – Lattingtown

Laurel Hollow Beach – Laurel Hollow

Morgan Sound – Glen Cove

North Hempstead Beach Park – Port Washington

Piping Rock Beach Club – Locust Valley

Pryibil Beach – Glen Cove

Ransom Beach – Bayville

Theodore Roosevelt Beach – Oyster Bay

Sea Cliff Village Beach – Sea Cliff

Soundside Beach – Bayville

Stehli Beach – Bayville

Tappen Beach – Glenwood Landing

To speak with a Health Department representative, weekdays, 9 a.m., – 4:45 p.m., call (516) 227-9717.

For up-to-date recorded information on beach openings and closings, call (516) 227-9700.

Watch & Listen LIVE