Current Musing: Murray and Darling River Systems (In Progress)
Ferns beside a still pool

Planning

This trip is a difficult and potentially very dangerous expedition, especially long periods in the remote outback environments. Risks include, but are not limited to:

  • Remoteness: you should be self-sufficient with enough supplies for each leg.
  • Drowning: risks are greatest with whitewater kayaking, but even flat water kayaking has its own dangers.
  • Snakes: don't panic about these, but take precautions and stay alert. Tally is 1 Eastern Brown that swum past.
  • Diseases: dangers with normal animal contamination like E. coli as well as Algae toxins. Only use treated or filtered water.
  • Hypothermia and hyperthermia: in the summer months temperatures can regularly exceed 45°C (113°F), and drop well below 0°C (32°F) in winter. In a desert environment, you should be prepared for large temperature swings between day and night.

While I am posting this information to assist fellow explorers, you should not rely on anything stated on this page without first confirming it independently from more reliable sources.

Stores, distances & coordinates below are only approximations from using various Google Map tools and APIs, but should be accurate enough for the trip.

Coordinates will generally be at a takeout point or bridge for most locations. Various reports suggest views of the small towns could be obscured by the river banks, so some care needs to be taken while navigating down the river.

Quick Links

Resources & Tools

Maps

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Condamine River

Low flow and being of the greatest unknown, some extra planning for this leg, including public transport options. I am planning to just drive out and jump in rather than scouting the river by car first. This is a self-supported trip mostly, so it'll be find a temporary home for the kayak and bus back if needed.

Flow today is 0.18 cumecs (15.6 ML/day) at Warwick, about 20% of my guesstimated minimum flow of a narrow running creek.

Playing it by air with rain, but it is looking more likely that I'll skip this leg from Warwick and start from Chinchilla instead to catch the end of the flood water instead. Flows above Chinchilla are 0.0 to 0.2 Cumecs as of 5th March 2020. Estimated 0.5 to 1.0 to be comfortable in a sea kayak??? Potentially even look at Condamine or further downstream.

Any time estimates are for a worst case of ~20 km per day and best case of ~50 km per day. Hoping for the latter with assistance from the flood flow. Any prices for transport were to / from Ipswich, QLD and likely already out of date!

Condamine Gorge

Levels under 1.5m are likely to become difficult to paddle the bouldery sections of the gorge. Expect about a dozen or two fences across the creek. Most farmers used barbed wire so be careful!

Warwick

Last major supply pickup before Chinchilla, which is 426 km downstream. Expecting some supplies at Cecil Plains with maybe a side trip to Dalby if required.

By car, State Route 82 follows the river mostly between Warwick and Dalby, but this is not serviced by any transport companies. Warwick lacks any form of long term parking but Benz Auto Dismantlers in Warwick offer long term storage at a reasonable price.

Ipswich to Warwick is serviced by Crisps Coaches, leaving from Dinmore 11:05am / 3:20pm for ~$60.

Other possible towns on the way to Cecil Plains seem very limited and off the track:

Clifton

Coordinates 27° 55' 44.9" S, 151° 54' 21.9" E
Population 1,456    Supermarket(s)

19km E along Clifton Leyburn Rd

Millmerran

Coordinates 27° 52' 44.1" S, 151° 16' 9.5" E
Population 1,563    Supermarket(s)

  • 13.2km SW along Gore Hwy from the bridge
  • 166 km from Warwick (3 to 8 days)
  • 108 km from Warwick on State Route 82 by car
  • Bus 11:30 Tuesday, Friday. Bus Stop, Commens Street, near QATB. Charleville to Brisbane Bus to Toowoomba, 3 hr wait for connecting bus to Ipswich Bus QLD: ~$40
  • Return service 10:30 am from Toowoomba, which would be the 6:57 am Bus Stop A, Bell Street, Ipswich arriving 8:40 am

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Loudoun Weir, Dalby

  • Dalby is 10 km north east of bridge
  • 294 km from Warwick (6 to 15 days)
  • 180 km from Warwick on State Route 82, 165 km on A2/3
  • Bus 16:51 7 days per week. Shell Roadhouse, Cnr Drayton Street and Cunninham Street. Charleville to Brisbane Bus, Bus QLD: ~$25. There is a second bus service returning to Brisbane that goes past very early in the morning, but skips Ipswich. Mount Isa to Brisbane Bus. Same company / prices.
  • Return service either the 06:57 or 15:35 from Ipswich, arriving 10:12 / 18:57.
Warra
  • 6.5 km north of bridge Warra Kogan Rd (-26.952272, 150.869958)
  • 74 km Dalby (2 to 4 days) / 368 km Warwick (8 to 19 days)
  • Bus 16:16 7 days per week. Post Office Bus Shelter, Warrego Highway. Charleville to Brisbane Bus, Bus QLD: ~$30
  • Return service either the 06:57 or 15:35 from Ipswich, arriving 10:42 / 19:27.
Brigalow
  • 3.75 km north bridge Banana Bridge Rd (-26.855321, 150.760337)
  • 103 km Dalby (2 to 5 days) / 397 km Warwick (8 to 20 days)
  • Bus 16:03 7 days per week. Opposite General Store, Warrego Highway. Charleville to Brisbane Bus, Bus QLD: ~$30
  • Return service either the 06:57 or 15:35 from Ipswich, arriving 10:54 / 19:39.

Chinchilla Weir

  • 8.9 km north of weir
  • 144 km Dalby (3 to 8 days) / 438 km Warwick (9 to 22 days)
  • Bus 15:40 7 days per week. BP Roadhouse Bus Shelter, Cnr Columba Street & Warrego Highway. Charleville to Brisbane Bus, Bus QLD: ~$35
  • Return service either the 06:57 or 15:35 from Ipswich, arriving 11:12 / 19:57.
  • Reported high crime levels at the moment.

Condamine Township

Maybe a small general store.

  • beside river
  • 86 km Chinchilla (2 to 5 days)
  • Hitch to Miles, 33 km away, then Bus 14:23 7 days per week, Caltex Service Station, Cnr Murilla Street & Tully Street.

Balonne River starts where the Condamine and Dogwood rivers join.

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Balonne and Culgoa Rivers

Flat dry and hot...?

Surat

Small general store

  • beside river
  • 296 km Chinchilla (6 to 15 days)
  • Hitch to Roma, 80 km away, then Bus 12:35 7 days per week, Bus Shelter outside Roma Motors on 86-94 Arthur Street .

St George

Foodworks and IGA in town

  • beside river
  • 476 km Chinchilla (10 to 24 days)
  • Bus 10:00 Tuesday, Friday to Toowoomba, then transfer (see Millmerran). ~$105
  • To Chinchilla, BQ114 BusQLD runs 10:35 am on Monday, Thursday, Saturday to Dalby (3:00 pm) or Toowoomba (4:00 pm). BQ 201 Brisbane to Mount Isa via Dalby (18:57) or Toowoomba (17:45) arriving 19:57 Chinchilla. ~$80

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Culgoa River Head

Culgoa River is 489 km and rejoins the Barwon River to form the Darling River. Single supply point and 108 km to Bourke after joining the Darling River. Bokhara has multiple towns that could be used for supplies.

What way to go???? Initially thought the Bokhara was the best choice, but the Culgoa River appears to have the best overall flow, when there is water.

Dirranbandi

Elevation 172m
Coordinates 28° 35' 59.3" S, 148° 12' 31.3" E
Population 640    General Store

Foodworks in town. This is 13.5 km along Bollon Dirrabdbandi Rd if taking the Culgoa River, about 33 km from the rivers head.
Hebel, QLD

Elevation 153m
Coordinates 28° 58' 9.5" S, 147° 47' 49.2" E
Population 149    General Store

Small store. ~100 km downstream from Dirranbandi if on the Bokhara (super rough estimate). This is 28 km along Woolerbilla Rd if taking the Culgoa River, about 123 km from the rivers head.

Bus 7:45 Hebel, 8:35 Dirranbandi runs Tuesday, Friday to St George, then transfer.

Goodooga, NSW

Elevation 142m
Coordinates 29° 6' 40.7" S, 147° 26' 52.4" E
Population 247    General Store

~50 km downstream from Hebel if on the Bokhara (super rough estimate). This is 15 km along Goodooga Brenda Rd if taking the Culgoa River, about 190 km from the rivers head.

Gauges at the border

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Weilmoringle

Tiny town in the middle of nowhere! The Post Office / general store has been closed from about 2018, so expect up to a 600 km leg without supplies unless you organise a food drop somewhere.

  • beside river
  • 375 km St George (8 to 19 days) / 851 km Chinchilla (17 to 43 days)
  • Either Transport NSW via Sydney to Brisbane, or via Dubbo to Lightning Ridge, St George, Toowoomba, Brisbane

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The Barwon and Culgoa Rivers merge to form the Darling River.

Darling River

Onto the Murray

Bill, et al, done this leg in sea kayaks in 2017. High flows flushed the system, and they paddled the system with 380ML per day to Menindee and 220ML below. A couple snags were mentioned in the lower section. They took 58 days from Brewarrina to Wentworth

NSW Water we had been assured in previous years if there was any flow at all, even a mere trickle of 10-20ML a day, the river would be navigable its full length because of the weirs.

Bourke

IGA in town

Avoid leaving your gear unattended here (RK).

  • beside river
  • 618 km St George (13 to 31 days) / 1,094 km Chinchilla (22 to 55 days)
  • Either Transport NSW via Sydney to Brisbane, or via Dubbo to Lightning Ridge, St George, Toowoomba, Brisbane

Louth

The community has a pub that serves as a cafe and store.

Likely go back to Bourke, so south to Wilcannia or Cobar for public transport.

Tilpa

Tiny town with pub, store and petrol station.

Likely go back to Bourke, so south to Wilcannia or Cobar for public transport.

Wilcannia

Apparently petty crime issues in Wilcannia (RK).

Menindee

  • beside river
  • Either Transport NSW via Sydney to Brisbane, or via Dubbo to Lightning Ridge, St George, Toowoomba, Brisbane

Pooncarie

Wikipedia suggested a store, maybe supplies at the pub?

Ellerslie is a small citrus-growing community. Likely no shops etc.

Wentworth

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River Distance Table

Distances (KM) Source First crossing Killarney Warwick Millmerran Cecil Plains Dalby Chinchilla Condamine Dogwood Ck Surat St George Weilmoringle Bourke Louth Tilpa Wilcannia Menindee Pooncarie Wentworth Distances (KM)
Source 0 13 34 104 270 326 387 530 615 723 826 1,005 1,350 1,597 1,802 1,970 2,241 2,559 2,854 3,092 Source
First crossing 13 0 21 91 257 313 374 517 602 710 813 992 1,337 1,584 1,789 1,957 2,228 2,546 2,841 3,079 First crossing
Killarney 34 21 0 70 236 292 353 496 581 689 792 971 1,316 1,563 1,768 1,936 2,207 2,525 2,820 3,058 Killarney
Warwick 104 91 70 0 166 222 283 426 511 619 722 901 1,246 1,493 1,698 1,866 2,137 2,455 2,750 2,988 Warwick
Millmerran 270 257 236 166 0 56 117 260 345 453 556 735 1,080 1,327 1,532 1,700 1,971 2,289 2,584 2,822 Millmerran
Cecil Plains 326 313 292 222 56 0 61 204 289 397 500 679 1,024 1,271 1,476 1,644 1,915 2,233 2,528 2,766 Cecil Plains
Dalby 387 374 353 283 117 61 0 143 228 336 439 618 963 1,210 1,415 1,583 1,854 2,172 2,467 2,705 Dalby
Chinchilla 530 517 496 426 260 204 143 0 85 193 296 475 820 1,067 1,272 1,440 1,711 2,029 2,324 2,562 Chinchilla
Condamine 615 602 581 511 345 289 228 85 0 108 211 390 735 982 1,187 1,355 1,626 1,944 2,239 2,477 Condamine
Dogwood Ck 723 710 689 619 453 397 336 193 108 0 103 282 627 874 1,079 1,247 1,518 1,836 2,131 2,369 Dogwood Ck
Surat 826 813 792 722 556 500 439 296 211 103 0 179 524 771 976 1,144 1,415 1,733 2,028 2,266 Surat
St George 1,005 992 971 901 735 679 618 475 390 282 179 0 345 592 797 965 1,236 1,554 1,849 2,087 St George
Weilmoringle 1,350 1,337 1,316 1,246 1,080 1,024 963 820 735 627 524 345 0 247 452 620 891 1,209 1,504 1,742 Weilmoringle
Bourke 1,597 1,584 1,563 1,493 1,327 1,271 1,210 1,067 982 874 771 592 247 0 205 373 644 962 1,257 1,495 Bourke
Louth 1,802 1,789 1,768 1,698 1,532 1,476 1,415 1,272 1,187 1,079 976 797 452 205 0 168 439 757 1,052 1,290 Louth
Tilpa 1,970 1,957 1,936 1,866 1,700 1,644 1,583 1,440 1,355 1,247 1,144 965 620 373 168 0 271 589 884 1,122 Tilpa
Wilcannia 2,241 2,228 2,207 2,137 1,971 1,915 1,854 1,711 1,626 1,518 1,415 1,236 891 644 439 271 0 318 613 851 Wilcannia
Menindee 2,559 2,546 2,525 2,455 2,289 2,233 2,172 2,029 1,944 1,836 1,733 1,554 1,209 962 757 589 318 0 295 533 Menindee
Pooncarie 2,854 2,841 2,820 2,750 2,584 2,528 2,467 2,324 2,239 2,131 2,028 1,849 1,504 1,257 1,052 884 613 295 0 238 Pooncarie
Wentworth 3,092 3,079 3,058 2,988 2,822 2,766 2,705 2,562 2,477 2,369 2,266 2,087 1,742 1,495 1,290 1,122 851 533 238 0 Wentworth

For those continuing down the Murray River, it is 264 km to Remark, 731 km to Murray Bridge and 827 km to the ocean. See the Murray River planning page for the distanace table.

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Flow Analysis

Look at trends and values for the rivers along the Darling River, including tributaries from the Condamine River.

Cease to flow level
0.36m
Catchment area
92 sq. km
Coordinates
28° 19' 56.0" S, 152° 18' 51.2" E
Minor Flood
3m
Moderate Flood
4m
Major Flood
5m
Daily Flow Volume Summary (ML)
MonthMinMediumMeanMax
Jan09240615937
Feb01819103468
Mar02119552205
Apr01826076169
May01824048074
Jun01914403578
Jul01612342756
Aug0126311078
Sep010515374
Oct0175311454
Nov0247121315
Dec03811706534
Daily Flow Percentiles
PercentileHeight (m)Flow (Cumecs)Known Trips
Min 0 0
1 0.04 0
5 0.06 0
10 0.31 0.01
25 0.41 0.06
50 0.48 0.19
75 0.58 0.63
90 0.81 2.71
95 1.17 6.91
99 2.49 38.60 Davison, 2020
Max 6.46 278.50
Rough Height Guidelines
Mostly flatwater ponds will retain water well after the flow stops, however significant portages maybe required to connect the ponds. Higher risk of polluted water and blue-green algae outbreaks.
Mostly flatwater paddling with a gentle current. Listen out for fords, weirs and dams that range from 15cm to 2.5m in height.
Minor flood at 3m. Likely risky with such a high flow in a narrow log clogged creek.
Moderate flood at 4m and Major flood at 5m. Likely extremely dangerous.

Medium flows are highest between Febuary and August (37 to 54 ML/day), but significant rain events are likely to occur between December and May.

Cease to flow level
0.69m
Catchment area
1360 sq. km
Coordinates
28° 12' 51.5" S, 152° 2' 54.7" E
Minor Flood
5m
Moderate Flood
6m
Major Flood
7m
Daily Flow Percentiles
PercentileHeight (m)Flow (Cumecs)Known Trips
Min -0.10 0
1 -0.06 0
5 0.12 0
10 0.40 0
25 0.73 0.03
50 0.82 0.37
75 0.94 1.64
90 1.21 7.67
95 1.63 23.47
99 3.46 152.18
Max 8.33 1,519.39
Rough Height Guidelines
Mostly flatwater ponds will retain water well after the flow stops, however significant portages maybe required to connect the ponds.
Mostly flatwater paddling without any noticable current. Stay alert for any fords, weirs and dams that could require portages.
Flooding.

Cease to flow level
3.66m
Catchment area
7795 sq. km
Coordinates
27° 32' 1.2" S, 151° 12' 11.9" E
Minor Flood
6m
Moderate Flood
7m
Major Flood
8m
Daily Flow Volume Summary (ML)
MonthMinMediumMeanMax
Jan0321728141174
Feb0641939133981
Mar064109276741
Apr0401025129278
May0381163119879
Jun040843102486
Jul05256081601
Aug05935968791
Sep01920521981
Oct01146468577
Nov01263497509
Dec0301238145244

Cease to flow level
1.81m
Catchment area
710 sq. km
Coordinates
27° 40' 8.5" S, 151° 20' 48.2" E
Minor Flood
3.5m
Moderate Flood
4m
Major Flood
5m
Daily Flow Volume Summary (ML)
MonthMinMediumMeanMax
Jan01949199
Feb04563279
Mar01503175
Apr006311916
May008418854
Jun00395489
Jul00214133
Aug008979
Sep00182376
Oct00101163
Nov005611072
Dec0214237686

Cease to flow level
1.78m
Catchment area
12380 sq. km
Coordinates
27° 13' 30.4" S, 151° 11' 8.6" E
Minor Flood
2.5m
Moderate Flood
3.5m
Major Flood
5.5m
Daily Flow Volume Summary (ML)
MonthMinMediumMeanMax
Jan0132001146441
Feb0561971107248
Mar02299039735
Apr0191044113537
May029110996583
Jun02658081857
Jul02339950906
Aug03029350207
Sep06 29724394
Oct00 23851471
Nov01385963953
Dec0341478236045

Cease to flow level
0.74m
Catchment area
19190 sq. km
Coordinates
26° 48' 0.4" S, 150° 34' 29.8" E
Minor Flood
6m
Moderate Flood
8m
Major Flood
10m
Daily Flow Volume Summary (ML)
MonthMinMediumMeanMax
Jan0583635363899
Feb0983779136436
Mar044162993379
Apr0351635242238
May0361801188716
Jun0241040186348
Jul031735117184
Aug042478110077
Sep02036526861
Oct01325524053
Nov0171120107990
Dec0462192293673

Cease to flow level
?m
Minor Flood
5m
Moderate Flood
7m
Major Flood
8m

Cease to flow level
2.88m
Catchment area
47250 sq. km
Coordinates
27° 9' 0.2" S, 149° 3' 49.7" E
Minor Flood
4.8m
Moderate Flood
6.8m
Major Flood
8.8m
Daily Flow Volume Summary (ML)
MonthMinMediumMeanMax
Jan012014839395090
Feb05746830108877
Mar0957270231164
Apr051137639168
May082436724
Jun0101082364
Jul032648226
Aug00933059
Sep0585830469
Oct0094825682
Nov004629825
Dec03475027130357

Cease to flow level
1.00m
Catchment area
75370 sq. km
Coordinates
28° 3' 40.9" S, 148° 33' 48.9" E
Minor Flood
6m
Moderate Flood
8m
Major Flood
10m
Daily Flow Volume Summary (ML)
MonthMinMediumMeanMax
Jan01268015637
Feb0227903481084
Mar01484869801
Apr0298142517371
May0611782555
Jun0651461119
Jul052383596
Aug0674432
Sep01161140187
Oct0022415157
Nov0002
Dec03156965

This gauge is just below the split.

Cease to flow level
1.90m
Catchment area
79330 sq. km
Coordinates
28° 25' 53.2" S, 148° 16' 10.6" E
Minor Flood
3.5m
Moderate Flood
5m
Major Flood
5.8m
Daily Flow Volume Summary (ML)
MonthMinMediumMeanMax
Jan0138237537010
Feb0155293139902
Mar0156221337071
Apr049105231740
May030122432576
Jun01174232078
Jul01557528640
Aug01251931814
Sep01056131305
Oct0521614608
Nov0366818141
Dec081158531854

The Balonne River diverges into the Bokhara and Ballandool Rivers.

Cease to flow level
1.57m
Catchment area
80030 sq. km
Coordinates
28° 58' 9.8" S, 147° 47' 50.3" E
Minor Flood
?m
Moderate Flood
?m
Major Flood
?m
Daily Flow Volume Summary (ML)
MonthMinMediumMeanMax
Jan0833211099
Feb01839613493
Mar01232610151
Apr001313326
May002089208
Jun001798166
Jul001286359
Aug00855431
Sep00602546
Oct00381706
Nov00701574
Dec001443529

The Balonne River diverges into the Bokhara and Ballandool Rivers.

Cease to flow level
0.0m
Catchment area
80190 sq. km
Coordinates
28° 56' 15.5" S, 147° 45' 8.5" E
Minor Flood
3m
Moderate Flood
3.5m
Major Flood
4m
Daily Flow Volume Summary (ML)
MonthMinMediumMeanMax
Jan0133113581
Feb0541118603
Mar01031212876
Apr00843756
May0024315758
Jun0020813987
Jul001219865
Aug00746433
Sep00382801
Oct00211619
Nov00421683
Dec001063938

Narran River diverges off the Balonne River south of Dirranbandi.

Cease to flow level
0.0m
Catchment area
80110 sq. km
Coordinates
28° 50' 24.6" S, 148° 3' 8.9" E
Minor Flood
4.8m
Moderate Flood
4.5m
Major Flood
3.5m
Daily Flow Volume Summary (ML)
MonthMinMediumMeanMax
Jan0161614106462
Feb0171627109793
Mar017115849674
Apr0037730599
May0058830349
Jun0042227820
Jul0028618777
Aug0026923782
Sep0019211552
Oct00808112
Nov002236780
Dec0052411150

Cease to flow level
1.7m
Minor Flood
5.2m
Major Flood
5.8m
Daily Flow Volume Summary (ML)
MonthMinMediumMeanMaxNo Flow (%)
Jan0221,27847,02541.9
Feb01051,96451,72934.5
Mar01121,36327,13629.9
Apr0376968,56235.9
May0983828,76639.4
Jun0368922,67745.6
Jul0041911,91850.3
Aug0031011,13249.3
Sep0029111,40852.3
Oct002118,70157.7
Nov002935,21661.8
Dec005918,04755.8

Cease to flow level
3.92m
Minor Flood
9.5m
Moderate Flood
11.4m
Major Flood
12.7m
Daily Flow Volume Summary (ML)
MonthMinMediumMeanMax0 Flow (%)
Jan09738,304443,79815.3
Feb01,00411,895374,75410.4
Mar01,36015,640500,9316.8
Apr01,0256,702112,2314.5
May07266,950137,2204.5
Jun07417,332160,4664.8
Jul08795,550106,6682.8
Aug08886,670126,9044.0
Sep06688,166231,2509.7
Oct05486,490219,76314.4
Nov06693,66742,43513.9
Dec09505,35476,14416.5

Cease to flow level
1.21m
Catchment area
489300 sq. km
Coordinates
Minor Flood
8.6m
Moderate Flood
10m
Major Flood
12m
Daily Flow Volume Summary (ML)
MonthMinMediumMeanMax0 Flow (%)
Jan04625,495230,24428.6
Feb01,35110,252326,59725.0
Mar01,63415,571360,38113.6
Apr01,01110,964287,07115.6
May02593,603153,85720.5
Jun01844,074165,27625.4
Jul02654,880197,91220.1
Aug04636,472260,78616.4
Sep04863,752113,08414.5
Oct02854,870207,42224.0
Nov01824,06655,41331.3
Dec03584,31161,94031.9

Cease to flow level
0.18m
Catchment area
502500 sq. km
Coordinates
30° 56' 4.2" S, 144° 25' 16.4" E
Minor Flood
9m
Moderate Flood
10.5m
Major Flood
11.5m
Daily Flow Volume Summary (ML)
MonthMinMediumMeanMax0 Flow (%)
Jan05227,97671,81523.4
Feb04117,59267,19823.2
Mar099111,390125,61215.8
Apr06426,01995,6649.3
May06232,13627,4165.6
Jun44571,98930,7320.0
Jul04241,28928,2061.6
Aug03932,26654,1294.2
Sep02154,953104,3497.7
Oct02185,822115,34211.5
Nov01134,02870,47410.1
Dec01993,73354,83514.2

Cease to flow level
-0.19m
Catchment area
569800 sq. km
Coordinates
31° 33' 35.6" S, 143° 22' 45.8" E
Minor Flood
9m
Moderate Flood
9.7m
Major Flood
10.4m
Daily Flow Volume Summary (ML)
MonthMinMediumMeanMax0 Flow (%)
Jan09384,61030,33617.7
Feb07295,78451,37614.9
Mar01,8018,06867,1989.3
Apr01,1397,69268,4936.3
May08615,60756,8713.3
Jun06785,25447,9652.2
Jul07505,49445,2382.3
Aug09325,54041,6501.4
Sep06885,08837,8362.2
Oct05335,44543,4498.9
Nov04054,16740,94116.4
Dec06784,12827,05920.1

Cease to flow level
2.18 m
Catchment area
569600 sq. km
Coordinates
32° 23' 44.2" S, 142° 25' 7.9" E
Minor Flood
8.50 m
Moderate Flood
9.10 m
Major Flood
9.70 m
Daily Flow Volume Summary (ML)
MonthMinMediumMeanMax0 Flow (%)
Jan02,2174,11233,3082.2
Feb01,3974,31336,1162.5
Mar07085,58187,8051.2
Apr03736,028126,1761.7
May02944,831121,9930.7
Jun02262,80031,7082.2
Jul02142,93544,2001.8
Aug02293,39043,8411.3
Sep02853,96938,6461.0
Oct03794,00846,4681.8
Nov06213,86342,6072.2
Dec01,3844,56325,9952.2

Cease to flow level
0.63 m
Catchment area
611000 sq. km
Coordinates
33° 23' 14.8" S, 142° 34' 11.6" E
Minor Flood
6.8m
Moderate Flood
7.6m
Major Flood
8.7m
Daily Flow Volume Summary (ML)
MonthMinMediumMeanMax0 Flow (%)
Jan01,9804,03218,9003.4
Feb02,2294,39318,9293.6
Mar02,7034,65219,3612.3
Apr02,3184,87427,7352.3
May01,9734,68921,2412.3
Jun01,4533,45819,5052.3
Jul01,2053,56118,8933.0
Aug01,8634,54119,2982.5
Sep01,9774,76820,0351.2
Oct02,1094,48719,5521.2
Nov01,7873,99718,7911.8
Dec01,6994,18118,1502.6

Cease to flow level
22.97 m
Catchment area
906000 sq. km
Coordinates
34° 6' 38.5" S, 141° 54' 14.6" E
Minor Flood
32.08m
Moderate Flood
32.68m
Major Flood
33.88m
Daily Flow Volume Summary (ML)
MonthMinMediumMeanMax0 Flow (%)
Jan7527,47511,84983,4850.0
Feb8557,26710,39390,1970.0
Mar8286,1268,94576,6070.0
Apr8456,9959,92566,0870.0
May8617,89310,69258,6020.0
Jun7948,00512,05458,9620.0
Jul1,0549,45315,78475,0070.0
Aug87011,04920,85680,8190.0
Sep87415,58925,691112,6550.0
Oct79311,17125,085119,3830.0
Nov74010,87225,159140,4840.0
Dec8299,63018,929105,6330.0

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Chasing the flood

Too late to assist me, but here are some key facts from the flooding in Feb 2020. There was an initial rain event that caused a major flood event around Dalby, and a second event a week later that caused higher flows around the source.

This second event at the Head took about 12 hrs from the peak seen at Killarney (Brosnans Barn) to reach Warwick. Due to continued flooding around Dalby, it is difficult to see when this water started to affect downstream stations, but approx. 1 to 2 days to affect Cecil Weir. From here this second event appeared to have no to little effect to the primary flooding event.

Early estimates (29th Feb) based on the flood peak dates are for a flow of 1.8 km / hr, so you would need to be traveling 43.5 km per day to stay with the peak and this would relate to a 2 month journey from Dalby to Wentworth!

Data?

  • Prior: 0.36m
  • Peak: 1.85m (below minor 3m)
  • +12 hr: 1.35m
  • +24 hr: 1.09m
  • +36 hr: 0.97m
  • +48 hr: 0.87m
  • +60 hr: 0.75m

  • Prior: -0.06m
  • Peak: 2.09m (below minor 5m)
  • +12 hr: 1.78m
  • +24 hr: 1.57m
  • +36 hr: 1.41m
  • +48 hr: 1.26m
  • +60 hr: 1.15m

From Dalby down, there was a bigger rain event in their catchment.

  • Prior: 1.55m
  • Rising: 14:00:00 09/02/2020
  • Minor: 16:00:00 09/02/2020 (2.5m)
  • Moderate: 20:00:00 09/02/2020 (3.5m)
  • Peak: 4.75m (moderate flood)
  • +1 day: 4.49m
  • +2 day: 3.93m
  • +3 day: 3.22m
  • +4 day: 3.02m
  • +5 day: 2.99m
  • +6 day: 2.60m
  • +7 day: 2.20m

Chinchilla, peaked 13:00:00 14/02/2020. 1 day 18 hrs after Dalby (143 km away). Peak speed from Dalby was 3.4 km/hr.

  • Prior: 1.03m
  • Rising: 21:00:00 07/02/2020
  • Minor: 00:00:00 12/02/2020 (6m)
  • Moderate: 23:00:00 12/02/2020 (8m)
  • Major: 22:00:00 13/02/2020 (10m)
  • Peak: 10.65m
  • +1 day: 10.14m
  • +2 day: 9.05m
  • +3 day: 7.59m
  • +4 day: 5.11m
  • +5 day: 3.31m
  • +6 day: 2.34m
  • +7 day: 1.49m

Condamine, peaked 16/02/2020 9:00:00 PM. 2 days 8 hrs after Chinchilla (85 km away). Peak speed from Chinchilla was 1.5 km/hr, peak speed from Dalby was 2.3 km/hr.

Surat. Peaked at 26/02/2020 19:00. 6 days 6 hrs after Condamine (211 km away). Peak speed from Chinchilla was 0.9 km/hr, peak speed from Dalby was 1.3 km/hr

  • Prior: 2.86m (0 cumecs)
  • Rising: 08:00:00 07/02/2020
  • Minor: 16:00:00 10/02/2020 (4.8m)
  • Moderate: 15:00:00 15/02/2020 (6.8m)
  • Major: 18:00:00 20/02/2020 (8.8m)
  • Peak: 10.2m (800 cumecs)
  • +1 day: 9.7m
  • +2 day: 9.0m
  • +3 day: 8.8m
  • +4 day: 9.8m
  • +5 day: 10.2m (effectively a second peak from Balonne River flows)
  • +6 day: 9.6m
  • +7 day: 9.1m
  • +8 day: 8.8 m
  • +9 day: 8.3 m (375 cumecs)
  • +10 day: 7.6 m
  • +11 day: 6.3 m
  • +12 day: 4.3 m
  • +13 day: 3.5 m (26.3 cumecs)
  • +14 day: 3.4 m
  • +15 day: 3.3 m
  • +16 day: 3.3 m
  • +17 day: 3.2 m

St. George. Peaked at 27/02/2020 08:30. Peak was only about 16 hrs after Surat (179 km away), but nearly a week from when Surat first recorded major flooding. Peak speed from Dalby was 1.7 km/hr

  • Prior: 0.76m (0 cumecs)
  • Rising: 13:00:00 11/02/2020
  • Minor: 13:00:00 22/02/2020 (6m)
  • Moderate: 03:00:00 23/02/2020 (8m)
  • Major: 25/02/2020 11:30 (10m)
  • Peak: 11.8m (2,300 cumecs)
  • +1 day: 11.2m
  • +2 day: 10.4m
  • +3 day: 9.7m
  • +4 day: 8.9m
  • +5 day: 7.8m (700 cumecs)
  • +6 day: 6.5m
  • +7 day: 5.4m
  • +8 day: 3.3m (124 cumecs)
  • +9 day: 2.1m (24 cumecs)
  • +10 day: 2.1m (24 cumecs)
  • +11 day: 2.1m (26 cumecs)
  • +12 day: ? m

Whyenbah (near the head of the Culgoa River). From Dalby, peak reach the Culgoa River with a rate of 1.8 km / hr from Dalby.

  • Prior: 0.37m (0 cumecs)
  • Rising: 05:00:00 16/02/2020
  • Minor: 09:00:00 17/02/2020 (3.5m)
  • Moderate: 19:00:00 22/02/2020 (5.0m)
  • Major: 03:00:00 24/02/2020 (5.8m)
  • Peak: 6.4m (360 cumecs)
  • +1 day: 6.4m
  • +2 day: 6.4m
  • +3 day: 6.4m
  • +4 day: 6.3m
  • +5 day: 6.3m (290 cumecs)
  • +6 day: 6.3m (130 cumecs)
  • +7 day: 5.9m (207 cumecs)
  • +8 day: 5.2m (145 cumecs)
  • +9 day: 3.9m (84 cumecs)
  • +10 day: 3.0m (24 cumecs)

6th March it was still rising, up to 4.2m (3,400 ML / day or 29 cumecs). 9th March still rising, up to 4.7m (4163 ML / day or 48 cumecs).

  • Prior: 0.92m
  • Rising: 26/02/2020 00:15
  • Minor: ? (5.2m)
  • Moderate: ? (5.5m)
  • Major: ? (5.8m)
  • Peak: ?
  • +1 day: m
  • +2 day: m
  • +3 day: m
  • +4 day: m
  • +5 day: m
  • +6 day: m
  • +7 day: m

Level of 2.77m increased from 20/02/2020 16:30. Uncertain where the rise occurred from, but likely flood plains slowing the rise. Currently sitting at 6.3m (6th March) and raising (15,900 ML/day or 184 cumecs)

  • Prior: 2.8m or 5.5m
  • Rising: ?
  • Minor: ? (9.5m)
  • Moderate: ? (11.4m)
  • Major: ? (12.7m)
  • Peak: 6.3m (184 cumecs)
  • +1 day: 6.0m (163 cumecs)
  • +2 day: m
  • +3 day: m
  • +4 day: m
  • +5 day: m
  • +6 day: m
  • +7 day: m

Level of 0.66m increased to about 5m / 120 cumecs from 24/02/2020 20:00 over a number of days. Slowly rising still, 6th March it was up to 5.7m (13,000 ML/day or 150 cumecs).

  • Prior: 0.66m
  • Rising: ?
  • Minor: ? (8.6m)
  • Moderate: ? (10m)
  • Major: ? (12m)
  • Peak: 5.9m
  • +1 day: 5.9m
  • +2 day: m
  • +3 day: m
  • +4 day: m
  • +5 day: m
  • +6 day: m
  • +7 day: m

Level of 0m increased to about 5m from 28/02/2020 03:00 over a number of days. Slowly rising still, 6th March it was up to 5.6m (11,600 ML/day or 135 cumecs).

  • Prior: 0m
  • Rising: 01:00:00 28/02/2020
  • Minor: ? (9m)
  • Moderate: ? (10.5m)
  • Major: ? (11.5m)
  • Peak: ? (?m)
  • +1 day: m
  • +2 day: m
  • +3 day: m
  • +4 day: m
  • +5 day: m
  • +6 day: m
  • +7 day: m

Nothing yet as of the 6th March.

  • Prior: -0.27m (0 cumecs)
  • Rising: 12:00:00 05/03/2020
  • Minor: ? (9m)
  • Moderate: ? (9.7m)
  • Major: ? (10.4m)
  • Peak: ? (?m)
  • +1 day: m
  • +2 day: m
  • +3 day: m
  • +4 day: m
  • +5 day: m
  • +6 day: m
  • +7 day: m

Using U/S Weir 32 Gauge

  • Prior: 0.58m (0 cumecs)
  • Rising: ?
  • Minor: ? (8.5m)
  • Moderate: ? (9.1m)
  • Major: ? (9.7m)
  • Peak: ? (?m)
  • +1 day: m
  • +2 day: m
  • +3 day: m
  • +4 day: m
  • +5 day: m
  • +6 day: m
  • +7 day: m

  • Prior: 0.99m (0 cumecs)
  • Rising: ?
  • Minor: ? (6.8m)
  • Moderate: ? (7.6m)
  • Major: ? (8.7m)
  • Peak: ? (?m)
  • +1 day: m
  • +2 day: m
  • +3 day: m
  • +4 day: m
  • +5 day: m
  • +6 day: m
  • +7 day: m

  • Prior: 27.7m (65 cumecs)
  • Rising: ?
  • Minor: ? (32.08m)
  • Moderate: ? (32.68m)
  • Major: ? (33.88m)
  • Peak: ? (?m)
  • +1 day: m
  • +2 day: m
  • +3 day: m
  • +4 day: m
  • +5 day: m
  • +6 day: m
  • +7 day: m

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