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Environmental Impact Assessment of the Davis Sewage Outfall
Entry ID: DAVIS_STP

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Summary

Abstract: Untreated, macerated wastewater effluent has been discharged to the sea at Davis Station since 2005, when the old wastewater treatment infrastructure was removed. This environmental assessment was instigated to guide the choice of the most suitable wastewater treatment facility at Davis. The assessment will support decisions that enable Australia to meet the standards set for the discharge of wastewaters in Antarctica in national legislation (Waste Management Regulations of the Antarctic Treaty Environmental Protection Act - ATEP) and to meet international commitments (the Madrid Protocol) and to meet Australia's aspirations to be a leader in Antarctic environmental protection.
The overall objective was to provide environmental information in support of an operational infrastructure project to upgrade wastewater treatment at Davis. This information is required to ensure that the upgrade satisfies national legislation (ATEP/Waste Management Regulations), international commitments (the Madrid Protocol) and maintain the AAD's status as an international leader in environmental management. The specific objectives were to:
1. Wastewater properties: Determine the properties of discharged wastewater (contaminant levels, toxicity, microbiological hazards) as the basis for recommendations on the required level of treatment and provide further consideration of what might constitute adequate dilution and dispersal for discharge to the nearshore marine environment
2. Dispersal and dilution characteristics of marine environment: Assess the dispersing characteristics of the immediate nearshore marine environment in the vicinity of Davis Station to determine whether conditions at the existing site of effluent discharge are adequate to meet the ATEP requirement of initial dilution and rapid dispersal.
3. Environmental impacts: Describe the nature and extent of impacts to the marine environment associated with present wastewater discharge practices at Davis and determine whether wastewater discharge practices have adversely affected the local environment.
4. Evaluate treatment options: Evaluate the different levels of treatment required to mitigate and/or prevent various environmental impacts and reduce environmental risks.

Purpose: This is the master metadata record (master DIF) for the project. It is linked to many datasets ranging from biology to chemistry to oceanography.

Related URL

Link: VIEW PROJECT HOME PAGE
Description: Public information for ASAC project 3217

Link: VIEW RELATED INFORMATION
Description: Citation reference for this metadata record and dataset

Geographic Coverage

N: -68.51921 S: -68.65507 E: 78.08167 W: 77.85883
Min Depth: 2 M Max Depth: 35 M

Temporal Coverage

Start Date: 2009-11-01

Stop Date: 2010-03-31

Location Keywords

CONTINENT > ANTARCTICA
GEOGRAPHIC REGION > EASTERN HEMISPHERE
GEOGRAPHIC REGION > POLAR
VERTICAL LOCATION > SEA FLOOR

ISO Topic Category

BIOTA
ENVIRONMENT
OCEANS

Instrument

BONGO NETS    [Information]

CURRENT METERS    [Information]

NISKIN BOTTLES    [Information]

SEDIMENT CORERS    [Information]

SEDIMENT TRAPS    [Information]

WATER BOTTLES

GILLNETS

QUADRATS

Access Constraints

See the child records for access to these data.

Use Constraints

This data set conforms to the PICCCBY Attribution License (http://creativecommons.org/licenses/by/3.0/).

Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=DAVIS_STP when using these data.

Keywords

sewage outfall

sewage treatment

Data Set Progress

IN WORK

Originating Center

Australian Antarctic Division

Data Center

Australian Antarctic Data Centre, Australia [Information]
Data Center URL: http://data.aad.gov.au

Data Center Personnel

Name: DATA OFFICER AADC
Phone: +61 3 6232 3244
Fax: +61 3 6232 3351
Email: metadata at aad.gov.au
Contact Address:
Australian Antarctic Division
203 Channel Highway
City: Kingston
Province or State: Tasmania
Postal Code: 7050
Country: Australia

Personnel

JONATHAN SEAN STARK
Role: INVESTIGATOR
Role: DIF AUTHOR
Role: TECHNICAL CONTACT
Phone: +61 3 6232 3589
Fax: +61 3 6232 3158
Email: jonny.stark at aad.gov.au
Contact Address:
Australian Antarctic Division
203 Channel Highway
City: Kingston
Province or State: Tasmania
Postal Code: 7050
Country: Australia

MARTIN RIDDLE
Role: INVESTIGATOR
Phone: +61 3 6232 3573
Fax: +61 3 6232 3351
Email: martin.riddle at aad.gov.au
Contact Address:
Australian Antarctic Division
203 Channel Highway
City: Kingston
Province or State: Tasmania
Postal Code: 7050
Country: Australia

IAN SNAPE
Role: INVESTIGATOR
Phone: +61 3 6232 3591
Fax: +61 3 6232 3158
Email: ian.snape at aad.gov.au
Contact Address:
Australian Antarctic Division
203 Channel Highway
City: Kingston
Province or State: Tasmania
Postal Code: 7050
Country: Australia

CATHERINE KING
Role: INVESTIGATOR
Phone: +61 3 6232 3515
Email: cath.king at aad.gov.au
Contact Address:
Australian Antarctic Division
203 Channel Highway
City: Kingston
Province or State: Tasmania
Postal Code: 7050
Country: Australia

Creation and Review Dates

DIF Creation Date: 2012-03-23

Last DIF Revision Date: 2012-04-13

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