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G2 Old Coach Road Bridge Princetown

Active Physico-Chemical 20-04-2007 - 21-07-2023

Gellibrand River Estuary

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628 results found (Displaying 226 - 250)
ID Date Status Details
#9246 6 Dec 2014 Approved Notes:
    0.76 @ 08:50 @ G6 ( pH 6.8)
  • Rainfall 3rd Dec. to 6th Dec. 12ml
  • Large areas of algae forming in north wetlands below Township
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.1 18.60 1.80 6.97 75.3 3.49
3.9m 9.0 15.90 29.40 0.69 8.3 45.28
#9234 29 Nov 2014 Approved Notes:
    G6 0.70 12:10
  • Algae (reddish colour) has increased across wetlands north of township
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.1 17.70 2.70 7.78 83.3 5.71
3.8m 9.0 15.80 29.70 1.19 14.3 45.77
#9224 22 Nov 2014 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.0 17.90 1.50 6.61 69.5 2.95
3.9m 9.0 15.50 30.10 0.90 10.8 46.28
#9215 15 Nov 2014 Approved Notes:
    0.79 @ G6 09:00
  • Algae in wetlands north of township
  • Bottle necked nests of Fairy Martins in shed near estuary
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.1 16.40 2.30 6.05 62.8 4.31
3.9m 9.0 15.30 30.30 1.52 18.3 46.53
#9208 7 Nov 2014 Approved Notes: -AHD 0.68
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 6.9 17.50 1.30 7.07 74.0 2.43
4.0m 10.0 15.20 30.60 3.76 44.3 46.98
#9180 1 Nov 2014 Approved Notes:
    1.10 @ G6 09:22
  • Water very clear
  • Small lamprey (many) heading downstream
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.1 15.60 3.70 7.84 80.6 6.75
4.2m 9.0 15.10 30.80 6.04 72.4 47.32
#9170 17 Oct 2014 Approved Notes:
  • AHD 0.60
  • Large no. Swans on north wetlands
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.0 14.00 1.80 8.03 78.9 3.35
3.8m 9.0 14.70 31.10 4.98 59.8 47.78
#9161 10 Oct 2014 Approved Notes:
  • AHD 0.70
  • No salt reached G4 salinity 0.1 from top to bottom
  • Flats in low areas waterlogged but very little visible water except in drains
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.0 6.9 16.60 0.50 9.24 95.8 1.08
4.0m 19.0 13.80 31.80 3.65 42.0 48.71
#9155 5 Oct 2014 Approved Notes:
  • AHD 0.63
  • Water very reddish brown in colour
  • Water on flats only in very low areas & drains upstream. Cape pond weed -large area upstream Back Spur Hills where there is a little more water. Large no. White headed Herons in this area
  • No salinity recorded at G4
  • 20 Corellas & 8 Galahs on road near G5
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.0 6.9 14.60 1.20 8.05 79.7 2.25
4.0m 19.0 13.80 32.60 5.73 68.0 49.76
#9135 26 Sep 2014 Approved Notes: -AHD 0.66
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.0 6.9 14.00 0.40 8.93 87.4 0.77
4.0m 19.0 13.00 26.70 3.24 36.3 41.57
#9115 19 Sep 2014 Approved Notes:
  • AHD 0.55
  • Strong south wind from mouth causing pulsing upstream, water going upstream under bridge at G2( water also going upstream at LT1 but returning during monitoring after a wind change to the west)
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 11.0 7.1 11.60 0.50 8.94 82.6 1.06
3.8m 11.0 13.10 28.30 5.04 57.0 43.86
#9102 12 Sep 2014 Approved Notes: -AHD 0.80
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 13.0 7.0 12.40 2.90 8.48 80.8 5.38
3.9m 13.0 13.50 30.40 7.73 89.2 46.73
#9099 5 Sep 2014 Approved Notes:
  • AHD 0.36
  • Strong south wind from mouth bringing small wavelets to G2
  • Water levels low, flats upstream reduced water cover
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 21.0 7.1 10.80 0.20 9.78 88.4 0.43
3.5m 21.0 10.30 0.30 9.50 84.9 0.55
#9086 29 Aug 2014 Approved Notes: - AHD 0.45
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 7.0 11.10 0.20 8.72 79.5 0.38
3.7m 30.0 11.00 0.20 8.03 72.9 0.40
#9083 22 Aug 2014 Approved Notes: AHD 0.48
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 27.0 7.0 11.00 0.20 9.04 82.2 0.48
3.7m 27.0 10.30 0.30 8.34 73.7 0.62
#9056 15 Aug 2014 Approved Notes:
  • AHD 0.22
  • North wind 3
  • Swamp harrier (1)
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 24.0 7.0 9.60 0.20 6.03 53.3 0.46
3.4m 24.0 9.50 0.20 5.98 52.4 0.46
#9053 8 Aug 2014 Approved Notes:
  • AHD 0.64
  • Water on all flats from Princetown to G6
  • Cape pond weed flowering prolifically on water covered flats around G5 & increased infestation in recently infested drain at G4
  • Water flow very fast under bridge at G4
  • Low PH. readings in drains along OOR from G4-G5
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 21.0 6.7 10.30 0.20 8.70 77.8 0.39
3.9m 21.0 10.20 0.20 8.38 74.6 0.39
#9039 1 Aug 2014 Approved Notes:
  • AHD 1.38
  • Air Temp 8.c
  • Monitoring not possible because of strong current going upstream & danger of probe becoming tangled in bridge structure
  • Water very dark all along river, estuary & out around mouth
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 27.0 7.1 9.30 0.90 8.28 72.8 1.85
2.0m 27.0 9.30 1.20 7.61 66.9 2.28
#9023 26 Jul 2014 Approved Notes:
  • AHD 0.71
  • Musk ducks (2)
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 17.0 7.0 9.40 0.30 9.26 81.1 0.52
4.0m 17.0 9.30 0.30 8.92 77.7 0.57
#9065 19 Jul 2014 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 24.0 6.7 9.10 0.20 8.44 73.3 0.51
3.5m 24.0 9.00 0.30 8.25 71.6 0.53
#8994 11 Jul 2014 Approved Notes:
    G6 3.83 @ 08:46 (lower since yesterday (3.83)
  • Flats flooded - water over bank from up stream G4 to G6
  • Water over bridge deck at G4
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 35.0 6.7 10.10 0.20 7.62 67.8 0.33
4.4m 35.0 10.00 0.20 7.29 64.6 0.34
#8991 5 Jul 2014 Approved Notes:
    G6 3.40 @ 10:30
  • 3 weights used/ probe attached to rope with no drift.
  • Water overbank around G5
  • Water up to deck of bridge & fast flow through causeway at G4
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 6.6 10.60 0.20 7.10 64.0 0.48
4.0m 30.0 10.50 0.20 6.32 56.6 0.53
#8972 27 Jun 2014 Approved Notes:
  • AHD 1.34 @09:30
  • Fast flow , 3 weights used, probe attached to weighted rope.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 50.0 6.8 10.40 2.20 6.39 58.1 4.16
4.5m 50.0 13.90 32.50 3.52 41.8 49.75
#8957 21 Jun 2014 Approved Notes:
  • AHD 0.66
  • Fresh water inflow difficult to estimate because of salt/ fresh mixing
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.9 10.70 0.40 6.28 56.8 0.91
3.9m 9.0 15.00 33.10 2.90 35.1 50.40
#8952 13 Jun 2014 Approved Notes:
  • AHD 0.80
  • Freshwater inflow downstream, but flow also going upstream as well. Influence from waves entering estuary
  • Flats upstream waterlogged with visible cover in very low areas, especially around G5
  • Cape pondweed flowering in deeper areas
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.9 11.50 1.80 8.25 76.6 3.42
4.0m 9.0 15.60 30.40 1.52 18.3 46.73
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