State Water Storages

State Water maintains, manages and operates 20 dams across NSW that supply more than 14,500GL of water to some 6,200 customers. For information on current storage levels, visit the Water Information website http://www.waterinfo.nsw.gov.au/storages.shtml.

Blowering Dam – Tumut River

Year Built: 1968
Storage Capacity: 1,628,000 megalitres
Flood Storage Capacity: 1,438,000 megalitres
Catchment Area: 1,606 sq kilometres
Water Depth: 101 metres
Type of Dam: Rock fill with clay core
Surface Area: 4,460 hectares
Height: 112 metres
Length of Crest: 747 metres
Spillway: Concrete chute
Spillway Capacity: 203,000 megalitres/day

Brogo Dam – Brogo River

Year Built: 1976
Storage Capacity: 8,980 megalitres
Catchment Area: 400 sq kilometres
Water Depth: 28 metres
Type of Dam: Concrete faced rock fill
Surface Area: 100 hectares
Height: 43 metres
Length of Crest: 260 metres
Spillway: Uncontrolled unlined rock cut
Spillway Capacity: 340,765 megalitres/day

Burrendong Dam – Macquarie River

Year Built: 1967
Storage Capacity: 1,188,000 megalitres
Catchment Area: 13,900 sq kilometres
Water Depth: 57 metres
Type of Dam: Rock fill with clay core
Surface Area: 7,200 hectares
Height: 76 metres
Length of Crest: 1,113 metres
Spillway: Gated concrete chute
Spillway Capacity: 1,199,000 megalitres/day

Burrinjuck Dam – Murrumbidgee River

Year Built: 1928 (enlarged 1957)
Storage Capacity: 1,026,000 megalitres
Catchment Area: 12,953 sq kilometres
Water Depth: 72 metres
Type of Dam: Concrete gravity
Surface Area: 5,500 hectares
Height: 93 metres
Length of Crest: 233 metres
Between Sector Gates: 158 metres
Spillway: 3 sector gates plus 2 side
channel spillways
Spillway Capacity: 2,506,000 megalitres/day

Carcoar Dam – Belubula River

Year Built: 1970
Storage Capacity: 35,800 megalitres
Catchment Area: 230 sq kilometres
Water Depth: 41 metres
Type of Dam: Concrete arch
Surface Area: 385 hectares
Length of Arch Crest: 187 metres
Width at Base: 7 metres
Total Length of Wall: 269 metres
Spillway: Free overflow
Spillway Capacity: 105,000 megalitres/day

Chaffey Dam – Peel River

Year Built: 1979
Storage Capacity: 61,830 megalitres
Catchment Area: 420 sq kilometres
Water Depth: 30 metres
Type of Dam: Rock fill with clay core
Surface Area: 542 hectares
Height: 55.8 metres
Length of Crest: 430 metres
Spillway: Morning glory
Spillway Capacity: 78,000 megalitres/day

Copeton Dam – Gwydir River

Year Built: 1973 (gates 1976)
Storage Capacity: 1,364,000 megalitres
Catchment Area: 5,360 sq kilometres
Water Depth: 104 metres
Type of Dam: Rock fill with clay core
Surface Area: 4,620 hectares
Height: 113 metres
Length of Crest: 1,484 metres
Spillway: Gated concrete chute
Spillway Capacity: 1,280,000 megalitres/day

Glenbawn Dam – Hunter River

Year Built: 1958 (enlarged 1987)
Storage Capacity: 749,840 megalitres
Catchment Area: 1,300 sq kilometres
Water Depth: 85 metres
Type of Dam: Rock fill with clay core
Surface Area: 2,614 hectares
Height: 100 metres
Length of Crest: 1,125 metres
Spillway: Concrete chute plus fuse plug
Spillway Capacity: 466,000 megalitres/day

Glennies Creek Dam – Glennies Creek

Year Built: 1983
Storage Capacity: 283,000 megalitres
Catchment Area: 233 sq kilometres
Water Depth: 56 metres
Type of Dam: Concrete faced rock fill
Surface Area: 1,540 hectares
Height: 67 metres
Length of Crest: 535 metres
Spillway: Uncontrolled unlined rock cut
Spillway Capacity: 55,000 megalitres/day

Hume Dam – Murray River

Year Built: 1936 (enlarged 1961)
Storage Capacity: 3,038,000 megalitres
Catchment Area: 15,300 sq kilometres
Water Depth: 40 metres
Type of Dam: Concrete gravity and 4 earth
embankments
Surface Area: 20,190 hectares
Height: 51 metres
Length of Crest: 1,615 metres
Spillway: Gated concrete overflow
Spillway Capacity: 1,075,000 megalitres/day

Keepit Dam – Namoi River

Year Built: 1960
Storage Capacity: 425,510 megalitres
Catchment Area: 5,700 sq kilometres
Water Depth: 48 metres
Type of Dam: Mass concrete gravity dam
with earth fill abutment
Surface Area: 4,370 hectares
Height: 55 metres
Length of Crest: 533 metres
Spillway: Gated concrete overflow
Spillway Capacity: 905,000 megalitres/day

Lostock Dam – Paterson River

Year Built: 1971
Storage Capacity: 20,000 megalitres
Catchment Area: 277 sq kilometres
Water Depth: 30 metres
Type of Dam: Rock fill with clay core
Surface Area: 220 hectares
Height: 38 metres
Length of Crest: 701 metres
Spillway: Concrete chute
Spillway Capacity: 255,986 megalitres/day

Menindee Lakes – Darling River

Year Built: 1960 (upgraded 1968)
Storage Capacity: 1,682,000 megalitres
Catchment Area: 273,229 sq kilometres
Type of Dam: Multiple weir and lake
impoundments
Surface Area: 48,500 hectares
Spillway Capacity: 97,880 megalitres/day
plus 24,470 megalitres/day

Oberon Dam – Fish River

Year Built: 1946 (upgraded 1996)
Storage Capacity: 45,000 megalitres
Catchment Area: 140 sq kilometres
Water Depth: 30 metres
Surface Area: 410 hectares
Type of Dam: Concrete slab and buttress
dam with earth embankment
Height: 35 metres
Length of Crest: 232 metres
Spillway: Concrete ski jump chute and
fuse plug
Spillway Capacity: 211,680 megalitres/day

Pindari Dam – Severn River

Year Built: 1969 original (enlarged 1995)
Storage Capacity: 312,000 megalitres
Catchment Area: 2,000 sq kilometres
Water Depth: 73 metres
Type of Dam: Concrete faced rock fill
Surface Area: 1,050 hectares
Height: 85 metres
Length of Crest: 954 metres
Saddles 225 and 105 metres
Spillway: Uncontrolled unlined rock cut
Spillway Capacity: 1,892,160 megalitres/day

Rydal Dam – Fish River

Year Built: 1957 (upgraded 1994)
Storage Capacity: 370 megalitres
Catchment Area: 1.5 sq kilometres
Water Depth: 10 metres
Type of Dam: Earth fill
Surface Area: 7 hectares
Height: 16 metres
Length of Crest: 460 metres
Spillway: Uncontrolled open channel
Spillway Capacity: 15,000 megalitres/day

Split Rock Dam – Manilla River

Year Built: 1987
Storage Capacity: 397,370 megalitres
Catchment Area: 1,650 sq kilometres
Water Depth: 52 metres
Type of Dam: Concrete-faced rock fill
Surface Area: 2,150 hectares
Height: 66 metres
Length of Crest: 484 metres
Spillway: Ungated concrete chute
Spillway Crest Length: 96.5 metres
Spillway Capacity: 720,000 megalitres/day

Toonumbar Dam – Iron Pot Creek

Year Built: 1971
Storage Capacity: 11,000 megalitres
Catchment Area: 98 sq kilometres
Water Depth: 34 metres
Type of Dam: Rock fill with clay core
Surface Area: 320 hectares
Height: 44 metres
Length of Main Crest: 229 metres
Spillway: Concrete chute
Spillway Capacity: 147,000 megalitres/day

Windamere Dam – Cudgegong River

Year Built: 1984
Storage Capacity: 368,120 megalitres
Catchment Area: 1,060 sq kilometres
Water Depth: 58 metres
Type of Dam: Rock fill with clay core
Surface Area: 2,030 hectares
Height: 67 metres
Length of Crest: 825 metres
Spillway: Uncontrolled unlined rock cut
Width at Sill: 140 metres
Spillway Capacity: 430,000 megalitres/day

Wyangala Dam – Lachlan River

Year Built: 1968 (gates 1971)
Storage Capacity: 1,220,000 megalitres
Catchment Area: 8,300 sq kilometres
Water Depth: 79 metres
Surface Area: 5,390 hectares
Type of Dam: Rock fill with clay core
Height: 85 metres
Length of Crest: 1,372 metres (1.5km incl
spillway)
Spillway: Gated concrete chute
Spillway Capacity: 1,272,000 megalitres/day