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 - 01-08-2019
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 03-01-2019 01-08-2019
Observation #12619 #13221

Observation summaries

Turbidity NTU

03-01-2019 01-08-2019
Top 9.0 41.0
Bottom 9.0 26.0

pH

03-01-2019 01-08-2019
Top 7.8 7.4
Bottom 8.0 7.4

Ammonia mg/L

03-01-2019 01-08-2019
Top
Bottom

Enterococci orgs/100mL

03-01-2019 01-08-2019
Top
Bottom

Temperature ° C

03-01-2019 01-08-2019
Top 23.90 11.30
Bottom 23.40 11.10

Salinity ppt

03-01-2019 01-08-2019
Top 26.70 6.40
Bottom 27.90 8.50

D.O. mg/L

03-01-2019 01-08-2019
Top 8.75 11.07
Bottom 8.29 0.00

D.O. % Sat

03-01-2019 01-08-2019
Top 104.80 100.00
Bottom 98.50 99.60

Conductivity mS/cm

03-01-2019 01-08-2019
Top 38.20 9.20
Bottom 39.80 12.20
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