In Quang Ngai, rivers and streams are
distributed relatively evenly. The rivers have some characteristics such as:
origin from east of Truong Son Range and discharge to sea; The river flows in
two complex hilly terrain and shallow plains; short river and large riverbed.
Quang Ngai has 4 main rivers:
Tra Bong River is 45km long, basin area 56km,
basin area 697km2, basin average width 12.4km.
Tra Khuc River is 135km, basin 123km, basin
area 3,240km2, basin average 26.3km.
Song Ve: 90km long, basin area of 1,260km2,
basin length of 70km, average catchment area of 18km.
Tra Que river: 32 km in length, 19 km in
length, basin area of 442 km2, average river basin area of 14 km.
In addition, there are some small rivers,
In mountainous areas (2/3 of the province),
there are many small and large streams that provide abundant water for economic
activities and daily life.
In Quang Ngai province, there are 3 natural
lagoons: Salt Water, An Khe, Lam Binh.
It is located in Pho Thanh commune (Duc Pho
district) with a total area of about 150ha. This is a lagoon-style lagoon,
open to the sea at Sa Huynh gates. It is a lake with high salinity both in dry
season and rainy season, so named as Salt Water. This lagoon can only cultivate
saltwater aquaculture and salt making. So long ago the people here have
exploited part of the area of the lake to make salt.
It belongs to Pho Khanh commune (Duc Pho
district). According to a scientific report on the investigation of salinity
intrusion in the coastal area of Quang Ngai, conducted by the Central
Meteorological and Hydrological Station in 1998, it was found that during rainy
season, the water quality in the lagoon was insignificant brackish water pond,
the salinity from 0.3 to 10 ‰.
It is located in Pho Cuong commune (Duc Pho
district), has low salinity, usually ranges from 0.2 to 0.3 ‰; In the dry
season, the dryest months are completely dry.
According to the master plan for aquaculture
in 2002, An Khe and Lam Binh lagoons have a total area of over 300ha, which
can be used for freshwater and marine aquaculture and environmental improvement
in the area.
. Sourced: Quang Ngai Online Geography Book