Speedy Point turbidity: Speedy Point station was installed on Sept. 15, 1997, and is located at Lat 27 12' 07" Long 80 15' 32", on the bumper under Roosevelt bridge in Martin County, Hydrologic Unit 03090202, Florida. Turbidity was measured using two YSI turbidity probes installed March 27, 1999. Both surface and bottom turbidity measurements were taken. The probes were removed on Oct. 4, 2000. Turbidity units are reported in NTUs.