Site details

Overview

Estuary Barwon River Estuary
CMA Corangamite CMA
Type Physico-Chemical
Site code B4
Site name The Thunderbolt
Nearest road and town Peers Crescent, Ocean Grove
Description The thunderbolt is a deep section of water that links Lake Connewarre and the Barwon River Estuary.
Site access Via boat from the Ocean Grove boat ramp.
Land use
  • Native Bushland
  • Rural Horticultural
Land use description This site is surrounded by intact riparian vegetation that seperates the estuary from adjacent farm land.
Status Active
Observation history 09-11-2007 - 03-01-2019
Photo of Thunderbolt Phys/chem site
Phys/chem monitoring site

Map

Observations

C Estuary is closed to the sea. O Estuary is open to the sea. P Perched
Turbidity tubes do not measure below 9 NTU; Chart values of 9 should be interpreted as < 9 NTU

Observations

Date 01-11-2018 03-01-2019
Observation #12481 #12619

Observation summaries

Turbidity NTU

01-11-2018 03-01-2019
Top 22.0 9.0
Bottom 10.0 9.0

pH

01-11-2018 03-01-2019
Top 8.1 7.8
Bottom 7.8 8.0

Ammonia mg/L

01-11-2018 03-01-2019
Top
Bottom

Enterococci orgs/100mL

01-11-2018 03-01-2019
Top
Bottom

Temperature ° C

01-11-2018 03-01-2019
Top 20.10 23.90
Bottom 16.80 23.40

Salinity ppt

01-11-2018 03-01-2019
Top 23.30 26.70
Bottom 34.90 27.90

D.O. mg/L

01-11-2018 03-01-2019
Top 9.77 8.75
Bottom 8.22 8.29

D.O. % Sat

01-11-2018 03-01-2019
Top 108.20 104.80
Bottom 85.60 98.50

Conductivity mS/cm

01-11-2018 03-01-2019
Top 33.30 38.20
Bottom 49.80 39.80
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