HomeWater ReportThe Big Slough Water Report – North Port Blvd. 6:00am 10/01 The Big Slough Water Report – North Port Blvd. 6:00am 10/01 adminOctober 1, 2022October 1, 2022 The current Gage Height for The Big Slough at North Port Blvd is 24.51Ft.