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Merri Creek @ Ida Street ME_YMR114

Melbourne Yarra River Yarra River Merri Creek

Site Visit
17-01-2025
Approved
Physical Chemical
Ammon-Nit mg/L NH3-N N mg/L NH4+ Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P D.O. % Turb NTU
21.8 20 10.5
15-09-2024
Approved
Physical Chemical
Ammon-Nit mg/L NH3-N N mg/L NH4+ Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P D.O. % Turb NTU
0.03 12.9 15.8 7.1 1059 0.05 100 26
23-08-2024
Approved
Physical Chemical
Ammon-Nit mg/L NH3-N N mg/L NH4+ Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P D.O. % Turb NTU
13.2 13 89.3 9
23-08-2023
Approved
Physical Chemical
Ammon-Nit mg/L NH3-N N mg/L NH4+ Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P D.O. % Turb NTU
0 13.2 19.5 8.2 860 0.07 35
04-06-2008
Approved
Physical Chemical
Ammon-Nit mg/L NH3-N N mg/L NH4+ Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P D.O. % Turb NTU
10 12 7.9 10
30-04-2008
Approved
Physical Chemical
Ammon-Nit mg/L NH3-N N mg/L NH4+ Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P D.O. % Turb NTU
10 12 8.3 1050 10
09-04-2008
Approved
Physical Chemical
Ammon-Nit mg/L NH3-N N mg/L NH4+ Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P D.O. % Turb NTU
16 20 8.7 670 10
19-03-2008
Approved
Physical Chemical
Ammon-Nit mg/L NH3-N N mg/L NH4+ Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P D.O. % Turb NTU
19 20 7.4 1320 10
12-03-2008
Approved
Physical Chemical
Ammon-Nit mg/L NH3-N N mg/L NH4+ Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P D.O. % Turb NTU
19 20 8.6 1120
05-03-2008
Approved
Physical Chemical
Ammon-Nit mg/L NH3-N N mg/L NH4+ Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P D.O. % Turb NTU
20 18 8.2 730 7
06-12-2007
Approved
Physical Chemical
Ammon-Nit mg/L NH3-N N mg/L NH4+ Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P D.O. % Turb NTU
20 29 8.1 540 10
29-11-2007
Approved
Physical Chemical
Ammon-Nit mg/L NH3-N N mg/L NH4+ Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P D.O. % Turb NTU
20 20 8 650 10
01-11-2007
Approved
Physical Chemical
Ammon-Nit mg/L NH3-N N mg/L NH4+ Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P D.O. % Turb NTU
16 19 8.1 1620 10
20-10-2007
Approved
1 Photo(s) Physical Chemical Water Bugs
Mayfly nymph (Ephemeroptera)
Mayfly nymph (Ephemeroptera)
Quantity: 11 Score: 7
Damselfly Nymph (Odonata)
Damselfly Nymph (Odonata)
Quantity: 20 Score: 6
Freshwater Shrimp/Prawn (Atyidae)
Freshwater Shrimp/Prawn (Atyidae)
Quantity: 7 Score: 5
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera)
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera)
Quantity: 6 Score: 3
Freshwater Snails (Gastropoda)
Freshwater Snails (Gastropoda)
Quantity: 20 Score: 3
Roundworms (Nematoda)
Roundworms (Nematoda)
Quantity: 1 Score: 3
Side Swimmer/Scud (Amphipoda)
Side Swimmer/Scud (Amphipoda)
Quantity: 720 Score: 4
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
Quantity: 3 Score: 4
Biting Midge Larvae (Diptera)
Biting Midge Larvae (Diptera)
Quantity: 740 Score: 2
Ammon-Nit mg/L NH3-N N mg/L NH4+ Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P D.O. % Turb NTU
18.5 30.3 8 1530 0.02 78 10
30-08-2007
Approved
Physical Chemical
Ammon-Nit mg/L NH3-N N mg/L NH4+ Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P D.O. % Turb NTU
15 19 8.4 10
23-08-2007
Approved
Physical Chemical
Ammon-Nit mg/L NH3-N N mg/L NH4+ Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P D.O. % Turb NTU
10 38 8.2 960 10
16-08-2007
Approved
Physical Chemical
Ammon-Nit mg/L NH3-N N mg/L NH4+ Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P D.O. % Turb NTU
20 12 8.7 980 10
24-05-2007
Approved
1 Photo(s) Physical Chemical Water Bugs
Caddis-fly Larvae (Trichoptera)
Caddis-fly Larvae (Trichoptera)
Quantity: 2 Score: 7
Damselfly Nymph (Odonata)
Damselfly Nymph (Odonata)
Quantity: 11 Score: 6
Dragonfly Nymph (Odonata)
Dragonfly Nymph (Odonata)
Quantity: 1 Score: 6
Freshwater Shrimp/Prawn (Atyidae)
Freshwater Shrimp/Prawn (Atyidae)
Quantity: 14 Score: 5
Freshwater Snails (Gastropoda)
Freshwater Snails (Gastropoda)
Quantity: 8 Score: 3
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
Quantity: 7 Score: 4
Segmented Worm (Oligochaeta)
Segmented Worm (Oligochaeta)
Quantity: 11 Score: 1
Ammon-Nit mg/L NH3-N N mg/L NH4+ Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P D.O. % Turb NTU
13.4 19.7 8 760 15
18-04-2007
Approved
Physical Chemical
Ammon-Nit mg/L NH3-N N mg/L NH4+ Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P D.O. % Turb NTU
16 21 970 10
01-04-2007
Approved
1 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: 12 Score: 6
Freshwater Shrimp/Prawn (Atyidae)
Freshwater Shrimp/Prawn (Atyidae)
Quantity: 18 Score: 5
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera)
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera)
Quantity: 10 Score: 3
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
Quantity: 35 Score: 4
Non Biting Midge Larvae - Bloodworms (Diptera)
Non Biting Midge Larvae - Bloodworms (Diptera)
Quantity: 28 Score: 1
Ammon-Nit mg/L NH3-N N mg/L NH4+ Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P D.O. % Turb NTU
0.02 20 22 9 450 0.15 10
14-03-2007
Approved
Physical Chemical
Ammon-Nit mg/L NH3-N N mg/L NH4+ Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P D.O. % Turb NTU
18 19 10
13-02-2007
Approved
Physical Chemical
Ammon-Nit mg/L NH3-N N mg/L NH4+ Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P D.O. % Turb NTU
21 26 7.7 870 10
09-08-2006
Approved
Physical Chemical
Ammon-Nit mg/L NH3-N N mg/L NH4+ Water ° C Air ° C pH pH Units EC µS/cm rP mg/L P D.O. % Turb NTU
10 11 8.3 660 10