Goulburn River

Substances

Eildon

Yea

Shepparton

(Upper Reach)

(Middle Reach)

(Lower Reach)

pH

7.5 → 7.0

7.5 → 7.0

7.5 → 7.5

TH (mg/L)

10 → 0

10 → 0

20 → 35

COD (mg/L)

8 → 3

8 → 3

13 → 10

BOD (mg/L)

4 → 3

4 → 3

5 → 2

(mg/L)

0.26→ 0.26

0.26 → 0.26

0.26 → 0.26

(mg/L)

0.033→ 0.017

0.033 → 0.017

N.D.

(mg/L)

N.D.

N.D.

N.D.

(mg/L)

N.D.

N.D.

N.D.

Ca²⁺ (mg/L)

12.5 → 8.5

12.5 → 8.5

15.6 → 8.8

Mg²⁺ (mg/L)

4.1 → 8.2

4.1 → 8.2

14.3 → 14.3

Na⁺ (mg/L)

4.0 → 4.4

6.7 → 6.6

12.0 → 11.0

K⁺ (mg/L)

0.9 → 0.9

1.4 → 1.5

2.1 → 2.3