Site details

Overview

Estuary Barwon River Estuary
CMA Corangamite CMA
Type Physico-Chemical
Site code B1
Site name The Heads
Nearest road and town Jetty Road, Barwon Heads
Description Jetty adjacent to "At the Heads" restaurant
Site access Easily accessed via walkway
Land use
  • Recreational
Land use description This site is located adjacent to the "At The Heads Restaurant", the Barwon Heads Caravan Park, and the Barwon Heads foreshore area which is an open space area with patches of native vege.
Status Active
Observation history 09-11-2007 - 18-03-2020
Photo of B1
Photo of phys/chem site B1

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 17-04-2019 21-08-2019 05-09-2019 18-09-2019 03-10-2019 07-11-2019 20-11-2019 05-12-2019 18-12-2019 02-01-2020 15-01-2020 06-02-2020 18-03-2020
Observation #12861 #13264 #13307 #13323 #13354 #13384 #13415 #13455 #13495 #13480 #13506 #13557 #13640

Observation summaries

Turbidity NTU

17-04-2019 21-08-2019 05-09-2019 18-09-2019 03-10-2019 07-11-2019 20-11-2019 05-12-2019 18-12-2019 02-01-2020 15-01-2020 06-02-2020 18-03-2020
Top 9.0 20.0 9.0 10.0 9.0 9.0 0.0 9.0 0.0 9.0 8.0 9.0 9.0
Bottom 9.0 19.0 9.0 13.0 9.0 9.0 0.0 9.0 9.0 8.0 9.0 9.0

pH

17-04-2019 21-08-2019 05-09-2019 18-09-2019 03-10-2019 07-11-2019 20-11-2019 05-12-2019 18-12-2019 02-01-2020 15-01-2020 06-02-2020 18-03-2020
Top 7.9 7.7 8.1 7.6 7.8 8.0 7.8 7.7 7.5 7.9 7.0 0.0 7.5
Bottom 7.9 7.9 8.0 7.6 7.8 7.7 7.9 7.7 7.8 7.9 7.9 7.8

Ammonia mg/L

17-04-2019 21-08-2019 05-09-2019 18-09-2019 03-10-2019 07-11-2019 20-11-2019 05-12-2019 18-12-2019 02-01-2020 15-01-2020 06-02-2020 18-03-2020
Top
Bottom

Enterococci orgs/100mL

17-04-2019 21-08-2019 05-09-2019 18-09-2019 03-10-2019 07-11-2019 20-11-2019 05-12-2019 18-12-2019 02-01-2020 15-01-2020 06-02-2020 18-03-2020
Top
Bottom

Temperature ° C

17-04-2019 21-08-2019 05-09-2019 18-09-2019 03-10-2019 07-11-2019 20-11-2019 05-12-2019 18-12-2019 02-01-2020 15-01-2020 06-02-2020 18-03-2020
Top 18.40 11.70 12.60 12.20 14.50 14.20 16.30 15.50 18.10 18.90 20.30 18.80 18.00
Bottom 18.10 11.60 12.70 12.30 14.40 14.20 16.20 15.40 17.90 18.90 20.30 18.70 17.80

Salinity ppt

17-04-2019 21-08-2019 05-09-2019 18-09-2019 03-10-2019 07-11-2019 20-11-2019 05-12-2019 18-12-2019 02-01-2020 15-01-2020 06-02-2020 18-03-2020
Top 38.90 33.70 37.50 25.30 37.70 39.10 38.50 39.30 38.80 39.10 38.90 38.90 39.00
Bottom 39.70 33.80 37.60 25.10 37.70 39.10 38.50 39.20 38.80 39.10 39.00 38.90 39.00

D.O. mg/L

17-04-2019 21-08-2019 05-09-2019 18-09-2019 03-10-2019 07-11-2019 20-11-2019 05-12-2019 18-12-2019 02-01-2020 15-01-2020 06-02-2020 18-03-2020
Top 9.56 11.61 11.46 11.71 11.35 10.90 10.40 10.65 10.14 9.95 8.43 9.80 9.32
Bottom 9.65 11.61 11.41 11.61 11.41 10.99 10.39 10.67 55.50 9.79 8.48 8.75 9.23

D.O. % Sat

17-04-2019 21-08-2019 05-09-2019 18-09-2019 03-10-2019 07-11-2019 20-11-2019 05-12-2019 18-12-2019 02-01-2020 15-01-2020 06-02-2020 18-03-2020
Top 102.40 107.30 108.40 108.10 111.40 108.30 107.00 108.20 107.90 107.10 94.80 98.70
Bottom 102.70 107.00 108.00 107.60 111.80 109.00 106.70 108.10 107.40 105.40 95.00 97.20

Conductivity mS/cm

17-04-2019 21-08-2019 05-09-2019 18-09-2019 03-10-2019 07-11-2019 20-11-2019 05-12-2019 18-12-2019 02-01-2020 15-01-2020 06-02-2020 18-03-2020
Top 55.60 48.20 53.60 36.10 53.80 55.80 55.00 56.10 55.50 55.80 55.60 55.60 55.70
Bottom 56.70 48.30 53.70 35.80 53.90 55.80 55.00 56.00 55.50 55.80 55.70 55.60 55.70
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