Performance indicators for environmental flow objectives

Current

The performance indicators for the environmental flow objectives are—

(a)

for assessing periods of low flow at the nodes mentioned in schedule 4, part 1—

(i)

50% non-zero daily flow; and

(ii)

80% non-zero daily flow; and

(iii)

90% non-zero daily flow; and

(iv)

daily flow volume; and

(v)

80% non-zero daily flow in a water flow season; and

(vi)

a period of no flow of at least 30 consecutive days; and

(vii)

a period of no flow of at least 90 consecutive days; and

(b)

for assessing periods of medium to high flow at the nodes mentioned in schedule 4, part 2—

(i)

mean annual flow; and

(ii)

median annual flow; and

(iii)

1.5 year daily flow volume; and

(iv)

5 year daily flow volume; and

(v)

20 year daily flow volume; and

(vi)

annual proportional flow deviation.

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