Territory Stories

Darwin Harbour in good health

Details:

Title

Darwin Harbour in good health

Member

Westra Van Holthe, Willem

Political affiliation

Country Liberals

Collection

Media Releases for 12th Assembly 2012 - 2016; Media Releases; ParliamentNT

Date

2015-03-04

Location

Darwin

Notes

Made available by via the Publications (Legal Deposit) Act 2004 (NT)

Language

English

Subject

Oceans; Marine life

Publisher name

Northern Territory Government

File type

application/pdf

Use

Issued as a Media Release

Copyright owner

Northern Territory Government

Parent handle

https://hdl.handle.net/10070/254788

Citation address

https://hdl.handle.net/10070/528215

Related items

https://hdl.handle.net/10070/528211; https://hdl.handle.net/10070/528213

Page content

36 Buffalo Creek 2014 5.8 Buffalo Creek The area is characterized by long residence time and poor flushing due to the sand bar at the creeks mouth. Buffalo Creek receives discharge from the Leanyer-Sanderson Wastewater Treatment Plant, and pollutant loads from urban areas during the wet season. Figure 16 summarises the results of water quality parameters measured at the Buffalo Creek monitoring sites. This data is collected by the Power Water Corporation. Table 12 reports median values and 20th-80th percentiles (compliance), minimum and maximum values of the data measured in Buffalo Creek. Table 12 - Summary of water quality parameters measured in Buffalo Creek Three water quality parameters measured (water clarity, algae and nutrients) did not comply with the WQOs: Water quality at the Buffalo Creek reporting zone is in poor condition. The highest values of chlorophyll a, ammonia, total nitrogen, total phosphorus and filterable reactive phosphorus were measured at sites closest to the Buffalo Creek outfall. Indicators Water Quality Objectives Buffalo Creek min-max 20th-80th percentiles and (median) pH 6.5-8.5 6.5-8.3 7.5-8.1 (7.9) Dissolved oxygen (% saturation) 80-100 10.5-170 52-103 (88) Suspended solids (mg/L) <10 1.37-76 10.8 Chlorophyll a (g/L) <4 0.05-582 10 No (g/L) <20 1.5-254 12 Ammonia (g/L) <20 2.5-10300 9 Total nitrogen (g/L) <300 100-22400 1420 Total phosphorus (g/L) <30 2.5-4840 106 Filterable reactive phosphorus (g/L) <10 1.5-1120 15 2014 rating D 36


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