Columbus Day Weekend Beach and Water Quality Update

Posted: Friday, October 5, 2018 4:30 pm

 

Below please find a summary of beach and water quality conditions as we head in to the Columbus Day weekend.

 

Beach Cleaning

The Village's beach maintenance contractor will be on the job daily to remove seaweed and otherwise clean the Village beach.

 

Beach Water Quality: Bacterial Monitoring

The Florida Department of Health (FDOH) Miami-Dade most recent weekly sample collection for bacterial monitoring (Enterococus) in Key Biscayne took place on October 1, 2018. Results, available here, showed that all four sampling locations recieved a status of GOOD. The locations are Key Biscayne Beach (Beach Club), Crandon Park North, Crandon Park South and Cape Florida Park.

 

Red Tide Monitoring

The Florida Fish and Wildlife Conservation Commission (FWC) launched a new interactive daily sample map on Thursday, October 4. The status of red tide water sampling is updated on a daily basis at 5:00 p.m. Click on individual dots in the map for sampling details at each location. Note that the map contains the last eight days of sampling.

 

Additional information is available at the FWC Red Tide Current Status webpage.

 

Sampling of beaches on October 1 by Miami-Dade County's Natural Resources Division included one Key Biscayne site in Crandon Park. The seawater samples were analyzed at the FWC laboratory. Results showed 13,000 cells per liter at two locations: at the swim buoy near the beach and in open water 1.5 miles east of the beach. 13,000 cells/liter is just above the threshold from very low to low as shown in the FWC table below.

 

Another round of sampling occurred this week that also included additional locations. Results are pending completion of laboratory analyses. They will be posted at the FWC Daily Sample Map.

 

 

Description

Karenia breviscells/liter

Possible Effects (K. brevis only)

 

NOT PRESENT - BACKGROUND

background levels of 1,000 cells or less

None anticipated

 

VERY LOW

>1,000 to 10,000

Possible respiratory irritation; shellfish harvesting closures > 5,000 cells/L

 

LOW

>10,000 to 100,000

Respiratory irritation, possible fish kills and bloom chlorophyll probably detected by satellites at upper limits

 

MEDIUM

>100,000 to 1,000,000

Respiratory irritation and probable fish kills

 

HIGH

>1,000,000

As above plus discoloration

 
King Tides

Be advised that the annual King tide cycle will begin on October 6 and continue through October 12. The highest of the King tides will be at 9:45 a.m. on Tuesday, October 9th as shown in this tide table.

Standing water may occur, without rainfall, in roadways and low elevation parking lots as seawater comes up through the ground.

 

 


"To provide a safe, quality environment for all islanders through responsible government."

 

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