Queensland Consolidated Regulations

WATER PLAN (MORETON) 2007 - SCHEDULE 7

SCHEDULE 7 – Environmental flow objectives

Part 1 - Low flow objectives

1 At each node mentioned in table 1, column 1, the 50% daily flow for the pre-development flow pattern for a water flow season is stated in column 2 of the table.

Table 1

	Column 1	Column 2
	Node	50% daily flow in megalitres
		Feb–April water flow season	May–July water flow season	Aug–Nov water flow season	Dec–Jan water flow season
	A	201	144	56	54
	B	136	87	34	36
	C	225	105	52	102
	D	48	23	11	22
	E	1,588	844	582	1,092
	F	155	90	72	147
	G	130	67	47	90
	H	164	82	39	55

2 At each node mentioned in table 2, column 1, the percentage of the total number of days in a water flow season in the simulation period that the 50% daily flow for the plan scenario flow pattern stated for the water flow season in table 1 is equalled or exceeded be at least the percentage stated in column 2 of the table for the water flow season.

Table 2

	Column 1	Column 2
	Node	Feb–April water flow season	May–July water flow season	Aug–Nov water flow season	Dec–Jan water flow season
	A	46	45	35	42
	B	29	26	27	36
	C	25	19	15	26
	D	45	42	30	41
	E	25	18	12	20
	F	32	26	20	32
	G	17	14	5	13
	H	46	43	33	43

3 At each node mentioned in table 3, column 1, the 90% daily flow for the pre-development flow pattern for a water flow season is stated in column 2 of the table.

Table 3

	Column 1	Column 2
	Node	90% daily flow in megalitres
		Feb–April water flow season	May–July water flow season	Aug–Nov water flow season	Dec–Jan water flow season
	A	7	38	6	0
	B	1	15	2	0
	C	31	30	14	14
	D	7	6	2	3
	E	318	277	191	261
	F	48	36	29	38
	G	17	12	7	11
	H	17	21	9	5

4 At each node mentioned in table 4, column 1, the percentage of the total number of days in a water flow season in the simulation period that the 90% daily flow for the plan scenario flow pattern stated for the water flow season in table 3 is equalled or exceeded be at least the percentage stated in table 4, column 2, for the water flow season.

Table 4

	Column 1	Column 2
	Node	Feb–April water flow season	May–July water flow season	Aug–Nov water flow season	Dec–Jan water flow season
	A	83	85	66	59
	B	84	83	79	76
	C	71	55	42	61
	D	77	71	47	62
	E	51	34	31	49
	F	58	51	47	60
	G	24	18	8	19
	H	79	75	57	65

5 At each node mentioned in table 5, column 1, the percentage of the total number of days in the simulation period on which the daily flow is less than 1ML be between the minimum and maximum percentages stated for the node in column 2 of the table.

Table 5

	Column 1	Column 2
	Node	Minimum–maximum percentage
	A	5–23
	B	7–17
	C	0–13
	D	3–28
	E	0–2
	F	0–2
	G	0–76
	H	0–20

6 At each node mentioned in table 6, column 1, minimise the extent to which—

(a) the number of periods of no flow of at least 1 month but less than 3 months in the simulation period is less than the minimum or more than the maximum number stated for the node in column 2 of the table; and

(b) the number of periods of no flow of at least 3 months but less than 6 months in the simulation period is less than the minimum or more than the maximum number stated for the node in column 3 of the table; and

(c) the number of periods of no flow of at least 6 months in the simulation period is less than the minimum or more than the maximum number stated for the node in column 4 of the table.

Table 6

	Column 1	Column 2	Column 3	Column 4
	Node	Minimum–maximum	Minimum–maximum	Minimum–maximum
	A	4–67	—	—
	B	4–25	—	—
	C	0–16	0–1	0–0
	D	1–70	—	—
	E	0–2	0–1	0–0
	F	0–2	0–1	0–0
	G	0–112	0–46	0–46
	H	2–45	0–16	0–3

Part 2 - Medium to high flow objectives

At each node mentioned in table 7, column 1—

(a) the annual proportional flow deviation (the
"APFD" ) be no greater than the APFD stated for the node in column 2 of the table; and

(b) the mean annual flow (the
"MAF" ), expressed as a percentage of the MAF for the pre-development flow pattern, be at least the percentage stated for the node in column 3 of the table; and

(c) the 1.5 year daily flow volume (the
"1.5 year DFV" ), expressed as a percentage of the 1.5 year DFV for the pre-development flow pattern, be at least the percentage stated for the node in column 4 of the table; and

(d) the 5 year daily flow volume (the
"5 year DFV" ), expressed as a percentage of the 5 year DFV for the pre-development flow pattern, be at least the percentage stated for the node in column 5 of the table; and

(e) the 20 year daily flow volume (the
"20 year DFV" ), expressed as a percentage of the 20 year DFV for the pre-development flow pattern, be at least the percentage stated for the node in column 6 of the table; and

(f) the flow regime class be maintained as late summer flow regime class.

Table 7