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 - 20-11-2019
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 19-12-2018 03-01-2019 16-01-2019 07-02-2019 20-02-2019 07-03-2019 20-03-2019 04-04-2019 17-04-2019 21-08-2019 05-09-2019 18-09-2019 03-10-2019 07-11-2019 20-11-2019
Observation #12622 #12614 #12651 #12684 #12712 #12744 #12776 #12827 #12861 #13264 #13307 #13323 #13354 #13384 #13415

Observation summaries

Turbidity NTU

19-12-2018 03-01-2019 16-01-2019 07-02-2019 20-02-2019 07-03-2019 20-03-2019 04-04-2019 17-04-2019 21-08-2019 05-09-2019 18-09-2019 03-10-2019 07-11-2019 20-11-2019
Top 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 20.0 9.0 10.0 9.0 9.0 0.0
Bottom 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 19.0 9.0 13.0 9.0 9.0 0.0

pH

19-12-2018 03-01-2019 16-01-2019 07-02-2019 20-02-2019 07-03-2019 20-03-2019 04-04-2019 17-04-2019 21-08-2019 05-09-2019 18-09-2019 03-10-2019 07-11-2019 20-11-2019
Top 7.8 7.8 7.7 7.7 7.5 7.9 7.8 7.7 7.9 7.7 8.1 7.6 7.8 8.0 7.8
Bottom 7.7 7.8 7.7 7.7 7.8 7.4 7.8 7.7 7.9 7.9 8.0 7.6 7.8 7.7 7.9

Ammonia mg/L

19-12-2018 03-01-2019 16-01-2019 07-02-2019 20-02-2019 07-03-2019 20-03-2019 04-04-2019 17-04-2019 21-08-2019 05-09-2019 18-09-2019 03-10-2019 07-11-2019 20-11-2019
Top
Bottom

Enterococci orgs/100mL

19-12-2018 03-01-2019 16-01-2019 07-02-2019 20-02-2019 07-03-2019 20-03-2019 04-04-2019 17-04-2019 21-08-2019 05-09-2019 18-09-2019 03-10-2019 07-11-2019 20-11-2019
Top
Bottom

Temperature ° C

19-12-2018 03-01-2019 16-01-2019 07-02-2019 20-02-2019 07-03-2019 20-03-2019 04-04-2019 17-04-2019 21-08-2019 05-09-2019 18-09-2019 03-10-2019 07-11-2019 20-11-2019
Top 19.90 20.20 22.80 21.10 18.80 17.10 19.70 16.40 18.40 11.70 12.60 12.20 14.50 14.20 16.30
Bottom 19.70 19.90 21.40 21.10 18.90 17.20 19.70 16.50 18.10 11.60 12.70 12.30 14.40 14.20 16.20

Salinity ppt

19-12-2018 03-01-2019 16-01-2019 07-02-2019 20-02-2019 07-03-2019 20-03-2019 04-04-2019 17-04-2019 21-08-2019 05-09-2019 18-09-2019 03-10-2019 07-11-2019 20-11-2019
Top 37.40 38.60 38.90 38.80 39.50 39.80 39.10 39.70 38.90 33.70 37.50 25.30 37.70 39.10 38.50
Bottom 37.50 38.60 39.00 38.80 39.40 39.70 39.10 39.60 39.70 33.80 37.60 25.10 37.70 39.10 38.50

D.O. mg/L

19-12-2018 03-01-2019 16-01-2019 07-02-2019 20-02-2019 07-03-2019 20-03-2019 04-04-2019 17-04-2019 21-08-2019 05-09-2019 18-09-2019 03-10-2019 07-11-2019 20-11-2019
Top 9.89 9.69 8.68 6.82 9.13 9.47 9.51 9.99 9.56 11.61 11.46 11.71 11.35 10.90 10.40
Bottom 9.93 9.65 9.29 6.71 8.98 9.19 9.48 9.97 9.65 11.61 11.41 11.61 11.41 10.99 10.39

D.O. % Sat

19-12-2018 03-01-2019 16-01-2019 07-02-2019 20-02-2019 07-03-2019 20-03-2019 04-04-2019 17-04-2019 21-08-2019 05-09-2019 18-09-2019 03-10-2019 07-11-2019 20-11-2019
Top 109.70 107.80 103.20 77.50 98.40 97.50 104.60 101.30 102.40 107.30 108.40 108.10 111.40 108.30 107.00
Bottom 109.30 106.60 106.20 76.20 97.20 95.10 104.00 100.80 102.70 107.00 108.00 107.60 111.80 109.00 106.70

Conductivity mS/cm

19-12-2018 03-01-2019 16-01-2019 07-02-2019 20-02-2019 07-03-2019 20-03-2019 04-04-2019 17-04-2019 21-08-2019 05-09-2019 18-09-2019 03-10-2019 07-11-2019 20-11-2019
Top 53.40 55.10 55.60 55.40 56.40 56.80 55.90 56.70 55.60 48.20 53.60 36.10 53.80 55.80 55.00
Bottom 53.60 55.10 55.70 55.40 56.30 56.70 55.90 56.60 56.70 48.30 53.70 35.80 53.90 55.80 55.00
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