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Site visits

Williamsons Creek CO_WIL010

Corangamite Barwon River Barwon River Williamson Creek 33_16 Williamson Creek

Site Visit
05-08-2024
Approved
0 Photo(s) Physical Chemical Water Bugs
Caddis-fly Larvae (Trichoptera)
Caddis-fly Larvae (Trichoptera)
Quantity: 20 Score: 7
Damselfly Nymph (Odonata)
Damselfly Nymph (Odonata)
Quantity: 100 Score: 6
Freshwater Shrimp/Prawn (Atyidae)
Freshwater Shrimp/Prawn (Atyidae)
Quantity: 10 Score: 5
Water mites (Acarina)
Water mites (Acarina)
Quantity: 10 Score: 5
Freshwater Snails (Gastropoda)
Freshwater Snails (Gastropoda)
Quantity: 20 Score: 3
Leeches (Hirudinea)
Leeches (Hirudinea)
Quantity: 2 Score: 3
Side Swimmer/Scud (Amphipoda)
Side Swimmer/Scud (Amphipoda)
Quantity: 200 Score: 4
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
Quantity: 25 Score: 4
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
9.5 8.9 11.8 7.3 1220 0.02 82.31 8
02-07-2024
Approved
Physical Chemical
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
9 8.8 9.3 7.7 1260 0.01 77.8 22
09-04-2024
Approved
0 Photo(s) Physical Chemical Water Bugs
Caddis-fly Larvae (Trichoptera)
Caddis-fly Larvae (Trichoptera)
Quantity: 20 Score: 7
Mayfly nymph (Ephemeroptera)
Mayfly nymph (Ephemeroptera)
Quantity: 10 Score: 7
Damselfly Nymph (Odonata)
Damselfly Nymph (Odonata)
Quantity: 120 Score: 6
Freshwater Shrimp/Prawn (Atyidae)
Freshwater Shrimp/Prawn (Atyidae)
Quantity: 5 Score: 5
Water mites (Acarina)
Water mites (Acarina)
Quantity: 50 Score: 5
Freshwater Snails (Gastropoda)
Freshwater Snails (Gastropoda)
Quantity: 30 Score: 3
Side Swimmer/Scud (Amphipoda)
Side Swimmer/Scud (Amphipoda)
Quantity: 500 Score: 4
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
Quantity: 20 Score: 4
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
6.8 15.7 13.1 6.8 1901 0.1 68.86 17
22-12-2023
Approved
0 Photo(s) Physical Chemical Water Bugs
Caddis-fly Larvae (Trichoptera)
Caddis-fly Larvae (Trichoptera)
Quantity: 50 Score: 7
Water mites (Acarina)
Water mites (Acarina)
Quantity: 300 Score: 5
Beetle larvae (Coleoptera)
Beetle larvae (Coleoptera)
Quantity: 5 Score: 4
Freshwater Snails (Gastropoda)
Freshwater Snails (Gastropoda)
Quantity: 10 Score: 3
Side Swimmer/Scud (Amphipoda)
Side Swimmer/Scud (Amphipoda)
Quantity: 200 Score: 4
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
Quantity: 80 Score: 4
Non Biting Midge Larvae - Bloodworms (Diptera)
Non Biting Midge Larvae - Bloodworms (Diptera)
Quantity: 20 Score: 1
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
7.4 21.2 19.3 7 1516 0.05 83.71 9
14-09-2023
Approved
0 Photo(s) Physical Chemical Water Bugs
Caddis-fly Larvae (Trichoptera)
Caddis-fly Larvae (Trichoptera)
Quantity: 55 Score: 7
Mayfly nymph (Ephemeroptera)
Mayfly nymph (Ephemeroptera)
Quantity: 10 Score: 7
Damselfly Nymph (Odonata)
Damselfly Nymph (Odonata)
Quantity: 10 Score: 6
Water mites (Acarina)
Water mites (Acarina)
Quantity: 10 Score: 5
Freshwater Snails (Gastropoda)
Freshwater Snails (Gastropoda)
Quantity: 5 Score: 3
Side Swimmer/Scud (Amphipoda)
Side Swimmer/Scud (Amphipoda)
Quantity: 500 Score: 4
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
Quantity: 50 Score: 4
Non Biting Midge Larvae - Bloodworms (Diptera)
Non Biting Midge Larvae - Bloodworms (Diptera)
Quantity: 20 Score: 1
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
10 14.9 21.5 7.3 1203 0.02 99.33 9
07-08-2023
Approved
Physical Chemical
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
10 11.7 13.8 7.3 1275 0.01 92.54 12.5
09-06-2023
Approved
0 Photo(s) Physical Chemical Water Bugs
Caddis-fly Larvae (Trichoptera)
Caddis-fly Larvae (Trichoptera)
Quantity: 30 Score: 7
Mayfly nymph (Ephemeroptera)
Mayfly nymph (Ephemeroptera)
Quantity: 5 Score: 7
Water mites (Acarina)
Water mites (Acarina)
Quantity: 70 Score: 5
Side Swimmer/Scud (Amphipoda)
Side Swimmer/Scud (Amphipoda)
Quantity: 500 Score: 4
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
Quantity: 150 Score: 4
Segmented Worm (Oligochaeta)
Segmented Worm (Oligochaeta)
Quantity: 15 Score: 1
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
9 12.6 10 7.9 1302 0.07 85.01 45
19-04-2023
Approved
Physical Chemical
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
9.5 16.1 14.3 7.5 1068 0.05 96.77 17
07-03-2023
Approved
Physical Chemical
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
6.7 15.9 14 7.2 1083 0.07 67.96 14.5
07-02-2023
Approved
0 Photo(s) Physical Chemical Water Bugs
Caddis-fly Larvae (Trichoptera)
Caddis-fly Larvae (Trichoptera)
Quantity: 30 Score: 7
Damselfly Nymph (Odonata)
Damselfly Nymph (Odonata)
Quantity: 5 Score: 6
Freshwater Shrimp/Prawn (Atyidae)
Freshwater Shrimp/Prawn (Atyidae)
Quantity: 2 Score: 5
Water mites (Acarina)
Water mites (Acarina)
Quantity: 50 Score: 5
Beetle larvae (Coleoptera)
Beetle larvae (Coleoptera)
Quantity: 10 Score: 4
Side Swimmer/Scud (Amphipoda)
Side Swimmer/Scud (Amphipoda)
Quantity: 200 Score: 4
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
Quantity: 100 Score: 4
Mosquito Larvae (Diptera)
Mosquito Larvae (Diptera)
Quantity: 20 Score: 2
Non Biting Midge Larvae - Bloodworms (Diptera)
Non Biting Midge Larvae - Bloodworms (Diptera)
Quantity: 20 Score: 1
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
7 19 13 7.1 891 0.07 75.66 47
27-04-2022
Approved
0 Photo(s) Physical Chemical Water Bugs
Caddis-fly Larvae (Trichoptera)
Caddis-fly Larvae (Trichoptera)
Quantity: 15 Score: 7
Mayfly nymph (Ephemeroptera)
Mayfly nymph (Ephemeroptera)
Quantity: 5 Score: 7
Damselfly Nymph (Odonata)
Damselfly Nymph (Odonata)
Quantity: 30 Score: 6
Water mites (Acarina)
Water mites (Acarina)
Quantity: 50 Score: 5
Beetle larvae (Coleoptera)
Beetle larvae (Coleoptera)
Quantity: 10 Score: 4
Leeches (Hirudinea)
Leeches (Hirudinea)
Quantity: 5 Score: 3
Side Swimmer/Scud (Amphipoda)
Side Swimmer/Scud (Amphipoda)
Quantity: 100 Score: 4
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
Quantity: 5 Score: 4
Mosquito Larvae (Diptera)
Mosquito Larvae (Diptera)
Quantity: 20 Score: 2
Non Biting Midge Larvae - Bloodworms (Diptera)
Non Biting Midge Larvae - Bloodworms (Diptera)
Quantity: 10 Score: 1
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
7 15.9 18.7 7.5 1279 0.06 71.05 9
18-01-2022
Approved
0 Photo(s) Physical Chemical Water Bugs
Caddis-fly Larvae (Trichoptera)
Caddis-fly Larvae (Trichoptera)
Quantity: 5 Score: 7
Stonefly nymph (Plecoptera)
Stonefly nymph (Plecoptera)
Quantity: 5 Score: 8
Freshwater Shrimp/Prawn (Atyidae)
Freshwater Shrimp/Prawn (Atyidae)
Quantity: 5 Score: 5
Beetle larvae (Coleoptera)
Beetle larvae (Coleoptera)
Quantity: 1 Score: 4
Freshwater Snails (Gastropoda)
Freshwater Snails (Gastropoda)
Quantity: 10 Score: 3
Leeches (Hirudinea)
Leeches (Hirudinea)
Quantity: 5 Score: 3
Side Swimmer/Scud (Amphipoda)
Side Swimmer/Scud (Amphipoda)
Quantity: 100 Score: 4
Mosquito Larvae (Diptera)
Mosquito Larvae (Diptera)
Quantity: 5 Score: 2
Non Biting Midge Larvae - Bloodworms (Diptera)
Non Biting Midge Larvae - Bloodworms (Diptera)
Quantity: 5 Score: 1
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
10 20.1 16 7.5 2400 0.11 111.01 9
03-10-2021
Approved
3 Photo(s) Physical Chemical Water Bugs
Caddis-fly Larvae (Trichoptera)
Caddis-fly Larvae (Trichoptera)
Quantity: 5 Score: 7
Stonefly nymph (Plecoptera)
Stonefly nymph (Plecoptera)
Quantity: 2 Score: 8
Damselfly Nymph (Odonata)
Damselfly Nymph (Odonata)
Quantity: 5 Score: 6
Freshwater Shrimp/Prawn (Atyidae)
Freshwater Shrimp/Prawn (Atyidae)
Quantity: 5 Score: 5
Water mites (Acarina)
Water mites (Acarina)
Quantity: 5 Score: 5
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera)
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera)
Quantity: 10 Score: 3
Freshwater Snails (Gastropoda)
Freshwater Snails (Gastropoda)
Quantity: 2 Score: 3
Side Swimmer/Scud (Amphipoda)
Side Swimmer/Scud (Amphipoda)
Quantity: 50 Score: 4
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
10 14.2 13 7.6 1159 0.045 97.81 40
20-04-2021
Approved
1 Photo(s) Physical Chemical Water Bugs
Stonefly nymph (Plecoptera)
Stonefly nymph (Plecoptera)
Quantity: 15 Score: 8
Beetle larvae (Coleoptera)
Beetle larvae (Coleoptera)
Quantity: 50 Score: 4
Side Swimmer/Scud (Amphipoda)
Side Swimmer/Scud (Amphipoda)
Quantity: 20 Score: 4
Mosquito Larvae (Diptera)
Mosquito Larvae (Diptera)
Quantity: 20 Score: 2
Non Biting Midge Larvae - Bloodworms (Diptera)
Non Biting Midge Larvae - Bloodworms (Diptera)
Quantity: 5 Score: 1
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
8 13.1 13 8.3 1453 76.45 20
22-02-2021
Approved
Physical Chemical
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
7.1 15 17.4 7.3 1708 0.08 70.79 33
14-12-2020
Approved
Physical Chemical
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
6 17 22 7.5 1371 0.08 62.34 12
06-12-2019
Approved
1 Photo(s) Physical Chemical Water Bugs
Damselfly Nymph (Odonata)
Damselfly Nymph (Odonata)
Quantity: 10 Score: 6
Dragonfly Nymph (Odonata)
Dragonfly Nymph (Odonata)
Quantity: 20 Score: 6
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera)
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera)
Quantity: 20 Score: 3
Freshwater Snails (Gastropoda)
Freshwater Snails (Gastropoda)
Quantity: 20 Score: 3
Mosquito Larvae (Diptera)
Mosquito Larvae (Diptera)
Quantity: 5 Score: 2
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
8 13 12 6.5 1423 0.14 78 18
04-07-2019
Approved
Physical Chemical
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
8 8 10.3 8.4 1800 0.15 67.96 23
21-02-2019
Approved
Physical Chemical
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
5 18 21 7.8 6840 0.14 52.82 35
20-09-2018
Approved
Physical Chemical
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
6.9 17 21 8 5520 0.43 72.69 17
16-09-2018
Approved
0 Photo(s) Physical Chemical Water Bugs
Mayfly nymph (Ephemeroptera)
Mayfly nymph (Ephemeroptera)
Quantity: 5 Score: 7
Damselfly Nymph (Odonata)
Damselfly Nymph (Odonata)
Quantity: 5 Score: 6
Dragonfly Nymph (Odonata)
Dragonfly Nymph (Odonata)
Quantity: 5 Score: 6
Freshwater Mussel (Bivalvia)
Freshwater Mussel (Bivalvia)
Quantity: 10 Score: 5
Freshwater Snails (Gastropoda)
Freshwater Snails (Gastropoda)
Quantity: 10 Score: 3
Side Swimmer/Scud (Amphipoda)
Side Swimmer/Scud (Amphipoda)
Quantity: 40 Score: 4
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
9.5 11 11 8.4 0.08 89.36 9
10-08-2018
Approved
Physical Chemical
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
7 9 7 8.6 1886 0.045 60.94 18
18-07-2018
Approved
Physical Chemical
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
6.5 6.5 10 9 1397 0.045 53.13 9
30-01-2018
Approved
Physical Chemical
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
4.5 6.7 14 6.7 759 0.045 44.63 11
06-12-2017
Approved
Physical Chemical
D.O mg/L Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P P mg/L D.O. % Turb NTU
6.5 10 10 7.3 2840 0.015 57.58 11
We acknowledge and respect Victorian Traditional Owners as the original custodians of Victoria’s land and waters, their unique ability to care for Country and deep spiritual connection to it.
We honour Elders past and present whose knowledge and wisdom has ensured the continuation of culture and traditional practices.
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