Site details

Overview

Estuary Powlett River Estuary
CMA West Gippsland CMA
Type Physico-Chemical
Site code Po2
Site name Site two (Mouth of Powlett Road Bridge)
Nearest road and town Mouth of Powlett Road, Dalyston
Description Ocean side of Mouth of Powlett Road Bridge, in between the 6th and 7th reflector when coming from the Kilcunda side of bridge (approx halfway).
Site access Head east along the Mouth of Powlett Road, park in the carpark located beside the Mouth of Powlett Bridge.
Land use
  • Native Bushland
  • Rural Grazing
Land use description This site is surrounded by submerged wetland (oceanside of bridge), saltmarsh (eastern bank on inland side of bridge) and a 5-10 metre revege site (western bank on inland side of bridge).
Status Active
Observation history 13-03-2010 - 23-01-2025

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 08-02-2024 27-03-2024 30-04-2024 08-08-2024 09-09-2024 16-09-2024 18-09-2024 20-09-2024 23-09-2024 24-09-2024 25-09-2024 26-09-2024 15-10-2024 25-10-2024 23-01-2025
Observation #16004 #16100 #16243 #16353 #16421 #16444 #16458 #16459 #16484 #16489 #16490 #16491 #16525 #16526 #16686

Observation summaries

Turbidity NTU

08-02-2024 27-03-2024 30-04-2024 08-08-2024 09-09-2024 16-09-2024 18-09-2024 20-09-2024 23-09-2024 24-09-2024 25-09-2024 26-09-2024 15-10-2024 25-10-2024 23-01-2025
Top 6.9 5.4 8.9 19.8 0.9 1.9 0.5 0.0 0.5 18.9 21.1 20.3 32.8 29.5 8.5
Bottom 7.9 17.5 7.4 8.6 0.9 8.3 8.7 4.1 0.5 1.0 16.6 20.4 11.8 1.5 3.3

pH

08-02-2024 27-03-2024 30-04-2024 08-08-2024 09-09-2024 16-09-2024 18-09-2024 20-09-2024 23-09-2024 24-09-2024 25-09-2024 26-09-2024 15-10-2024 25-10-2024 23-01-2025
Top 7.9 7.9 7.9 7.6 7.6 7.5 7.6 7.6 7.5 7.4 7.4 7.9 7.1 7.8
Bottom 8.1 8.1 8.1 7.6 7.5 7.5 7.4 7.3 7.3 7.1 7.1 7.7 8.1 7.9

Ammonia mg/L

08-02-2024 27-03-2024 30-04-2024 08-08-2024 09-09-2024 16-09-2024 18-09-2024 20-09-2024 23-09-2024 24-09-2024 25-09-2024 26-09-2024 15-10-2024 25-10-2024 23-01-2025
Top
Bottom

Enterococci orgs/100mL

08-02-2024 27-03-2024 30-04-2024 08-08-2024 09-09-2024 16-09-2024 18-09-2024 20-09-2024 23-09-2024 24-09-2024 25-09-2024 26-09-2024 15-10-2024 25-10-2024 23-01-2025
Top
Bottom

Temperature ° C

08-02-2024 27-03-2024 30-04-2024 08-08-2024 09-09-2024 16-09-2024 18-09-2024 20-09-2024 23-09-2024 24-09-2024 25-09-2024 26-09-2024 15-10-2024 25-10-2024 23-01-2025
Top 20.10 19.20 12.40 11.10 13.30 11.60 11.30 12.70 14.40 12.90 16.60 12.70 17.20 18.40 22.30
Bottom 19.60 17.80 15.90 12.50 11.50 11.90 11.90 12.10 0.00 0.00 0.00 0.00 13.90 15.00 21.20

Salinity ppt

08-02-2024 27-03-2024 30-04-2024 08-08-2024 09-09-2024 16-09-2024 18-09-2024 20-09-2024 23-09-2024 24-09-2024 25-09-2024 26-09-2024 15-10-2024 25-10-2024 23-01-2025
Top 30.70 32.00 11.20 18.20 20.40 13.60 12.60 14.90 14.10 4.10 3.10 2.30 7.40 1.70 25.70
Bottom 36.40 32.30 36.10 34.80 34.90 34.80 35.00 34.90 34.70 34.80 32.70 33.60 34.10 36.00 27.20

D.O. mg/L

08-02-2024 27-03-2024 30-04-2024 08-08-2024 09-09-2024 16-09-2024 18-09-2024 20-09-2024 23-09-2024 24-09-2024 25-09-2024 26-09-2024 15-10-2024 25-10-2024 23-01-2025
Top 4.66 7.42 7.70 7.40 7.35 7.76 7.03 7.93 6.72 7.37 5.72 6.08 8.76 7.81 6.75
Bottom 4.46 5.43 6.17 5.24 2.93 0.28 0.35 0.19 0.17 0.29 0.66 0.55 2.77 6.24 5.76

D.O. % Sat

08-02-2024 27-03-2024 30-04-2024 08-08-2024 09-09-2024 16-09-2024 18-09-2024 20-09-2024 23-09-2024 24-09-2024 25-09-2024 26-09-2024 15-10-2024 25-10-2024 23-01-2025
Top 60.80 95.90 76.00 74.90 79.60 76.60 69.60 82.60 72.20 71.60 57.80 58.00 94.30 83.20 90.40
Bottom 69.60 68.50 76.50 60.80 33.40 3.20 4.00 2.30 1.90 3.40 7.70 6.30 32.90 76.50 76.40

Conductivity mS/cm

08-02-2024 27-03-2024 30-04-2024 08-08-2024 09-09-2024 16-09-2024 18-09-2024 20-09-2024 23-09-2024 24-09-2024 25-09-2024 26-09-2024 15-10-2024 25-10-2024 23-01-2025
Top 47.05 48.45 18.71 29.40 32.55 22.50 21.00 24.36 23.21 7.34 5.67 4.22 12.72 3.14 40.20
Bottom 54.77 49.21 54.47 52.80 53.02 52.78 53.10 52.95 52.64 52.79 49.89 51.11 51.76 54.33 42.28
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