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G2 Old Coach Road Bridge Princetown

Active Physico-Chemical 20-04-2007 - 16-01-2026

Gellibrand River Estuary

645 results found (Displaying 1 - 25)
Date Status Details
16 Jan 2026 Pending Notes:

Unable to read below 2 metres due to lead length - tb replaced

Difficult to confirm water flow due to strong wind blowing surface upstream
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 13.0 7.1 18.80 3.20 8.64 93.1 5.16
2.0m 13.0 6.5 18.30 35.20 5.47 58.3 46.40
17 Dec 2025 Approved Notes:

Unable to measure beyond 2.5m due to shorter lead length following repair  - to be replaced

Strong wind blowing surface up river so unable to ascertain river flow
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.0 7.0 18.30 2.10 7.80 83.0 3.38
2.5m 15.0 6.9 16.80 29.80 6.05 62.4 38.70
21 Nov 2025 Approved Notes:

Rose Jackson attended with spare meter while ours being serviced

Unknown flow due to strong wind pushing surface water up river

Salinity auto function to be rectified
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 24.0 7.2 14.70 8.15 80.3 1.21
4.0m 24.0 7.4 15.00 6.05 66.2 27.80
15 Aug 2025 Approved Notes:

Meter faulty - unable to get full reading
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.7 9.80 1.80 2.50
3.9m 9.0 7.3 12.50 34.40 39.90
18 Jul 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.0 5.8 10.20 0.60 10.17 96.1 0.89
4.5m 14.0 5.8 12.90 35.40 5.51 55.5 41.30
20 Jun 2025 Approved Notes:

Debra Ferrari - sampler

The bottom of the water bottle broke off before we were able to perform the bottom sampling - turbidity & pH so unable to captur

gp1_2
gp1_2
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.4 9.60 5.00 11.03 102.7 6.29
3.8m 9.0 14.10 35.80 7.82 81.1 51.20
16 May 2025 Approved Notes:

Kim Morton - sampler also (to be added)
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.3 14.90 2.90 8.13 85.3 4.20
4.8m 9.0 7.0 18.00 35.60 0.11 1.3 50.90
11 Apr 2025 Approved Notes:

Kim Morton & Nancy McLean - samplers

 
gp1_2
gp1_2
gp1_2
gp1_2
gp1_2
gp1_2
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.1 17.80 3.00 8.29 93.0 4.30
4.5m 9.0 7.4 19.20 34.60 0.11 1.3 49.40
4 Apr 2025 Approved Notes:

Debbie Ferrari - sampler also

gp1_2
gp1_2
gp1_2
gp1_2
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.6 17.50 3.40 6.99 77.7 4.81
4.8m 9.0 7.1 19.00 35.00 0.11 1.2 50.00
21 Mar 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.0 17.90 8.29 93.1 5.55
4.5m 9.0 7.4 19.50 0.69 8.0 50.10
7 Mar 2025 Approved Notes:

Debbie Ferrari - sampler

HQ 40d Meter
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.9 21.40 3.80 8.39 101.4 5.49
4.5m 9.0 7.3 19.00 35.60 2.91 33.4 50.90
11 Feb 2025 Approved Notes:

Debbie Ferrari - sampler
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.2 21.30 5.20 6.52 79.0 7.45
4.2m 9.0 6.7 18.20 34.60 0.97 11.1 49.40
21 Jan 2025 Approved Notes:

Debbie Ferrari also Sampler
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.4 23.70 2.10 5.27 66.3 3.05
4.9m 9.0 6.8 17.50 36.10 0.04 0.5 51.50
20 Dec 2024 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.0 21.00 6.00 6.73 80.9 8.56
4.0m 9.0 7.5 17.80 36.80 7.02 79.0 52.60
22 Nov 2024 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.2 19.00 6.60 8.48 98.3 9.49
3.9m 9.0 7.6 16.50 38.40 7.15 78.7 54.90
11 Oct 2024 Approved Notes:

Debbie Ferrari also sampler

Slow to medium flow
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.2 13.20 2.00 9.51 96.1 2.90
2.5m 9.0 6.2 13.90 32.70 10.07 103.2 46.70
21 Jul 2023 Approved Notes:

EC unstable at all levels. Rapid surging if water noted at gauge.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 21.0 6.7 9.10 0.30 10.22 93.8 0.43
3.9m 21.0 7.3 9.10 3.70 10.00 91.5 4.75
16 Jun 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 54.0 6.8 11.10 0.30 9.19 88.6 0.40
4.2m 54.0 7.1 10.80 0.30 9.13 87.3 0.41
19 May 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 7.0 11.50 0.80 9.88 96.2 1.08
4.0m 10.0 6.9 13.40 22.90 7.00 71.0 28.20
21 Apr 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 11.0 7.0 14.60 0.70 8.39 87.5 0.95
4.0m 11.0 7.2 16.50 37.80 3.41 37.0 47.50
24 Mar 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 7.4 17.20 2.10 8.59 95.0 3.01
3.8m 10.0 7.3 18.20 39.20 2.40 27.1 51.00
10 Feb 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 12.0 7.0 19.70 3.10 7.44 87.2 5.10
3.6m 12.0 7.4 17.00 40.50 5.27 58.0 51.10
21 Jan 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 11.0 7.4 19.30 2.80 7.49 86.6 4.55
3.7m 11.0 7.6 16.60 39.40 3.10 33.9 49.40
16 Dec 2022 Approved Notes:

Surface wind making waves
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 21.0 7.1 14.60 1.10 8.97 93.5 1.61
3.5m 21.0 7.7 15.20 39.00 8.04 84.9 47.50
18 Nov 2022 Approved Notes:

All EC readings failed to stabilize

Raining heavily at this site. L1+Mouth observations abandoned.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 17.0 7.1 14.80 0.20 8.58 89.9 0.30
3.8m 17.0 7.0 14.70 0.20 8.56 89.2 0.34
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