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Identification

Field Value

Title

Cockrone Lagoon Floodplain Management Plan

Abstract

The Floodplain Management Plan divides the Cockrone Lagoon area into six precincts:

  • Cockrone Lagoon - Beach Berm High Hazard Floodway/Investigation
  • Cockrone Lagoon - Entrance Area High Hazard – Low Hazard Floodway/Investigation
  • Cockrone Lagoon - Storage Area Low Hazard Flood storage
  • Cockrone Lagoon - Floodway Area High Hazard Floodway
  • Merchants Creek - Floodway Area High Hazard Floodway
  • Newell Road Floodway High Hazard Floodway

These precincts have been classified for flood hazard as: High Hazard - Floodways - Cockrone Lagoon beach berm; - Cockrone Gully, from the upstream study boundary to its confluence with Cockrone Lagoon (identified as Cockrone Lagoon floodway); - Merchants Creek floodway from the confluence of Merchants Creek with Cockrone Lagoon to the upstream study extent; and - an existing open drain through the residential areas bounded by Newell Road and Three Points Avenue. High Hazard – Low Hazard Floodway (Floodway Investigation area) - Cockrone Lagoon at its entrance to the ocean (Floodway/Investigation Area); Low Hazard - Flood Storage - Cockrone Lagoon and foreshores excepting high hazard areas above. These precincts are illustrated on Figures 2 and 3, while Figure 4 provides greater detail in the Cockrone Lagoon Entrance Area. Council has adopted a policy of opening the lagoons when water level reaches RL 2.53 m AHD (identified as the let-out-level). Council has, in the past, also adopted a policy that requires new buildings to have floor levels above RL 4.3 m AHD. These two policies effectively constitute Council's current floodplain management practice around Cockrone Lagoon.

Resource locator

Cockrone Lagoon - Floodplain Management Plan Final May 2008

Name: Cockrone Lagoon - Floodplain Management Plan Final May 2008

Protocol: WWW:DOWNLOAD-1.0-http--download

Function: download

Unique resource identifier

Code

02597d98-a381-4788-9477-380b6266b888

Presentation form

Edition

27/06/2017

Dataset language

English

Metadata standard

Name

ISO 19115

Edition

2016

Dataset URI

https://datasets.seed.nsw.gov.au/dataset/02597d98-a381-4788-9477-380b6266b888

Purpose

Land and Resource Management

Status

On going

Spatial representation

Type

vector

Spatial reference system

Code identifying the spatial reference system

4283

Classification of spatial data and services

Field Value

Topic category

Keywords

Field Value

Keyword set

keyword value

Originating controlled vocabulary

Title

ANZLIC Search Words

Reference date

2008-05-16

Geographic location

West bounding longitude

151.40645

East bounding longitude

151.429539

North bounding latitude

-33.496016

South bounding latitude

-33.486281

NSW Place Name

Cockrone Lagoon

Vertical extent information

Minimum value

-100

Maximum value

2228

Coordinate reference system

Authority code

urn:ogc:def:cs:EPSG::

Code identifying the coordinate reference system

5711

Temporal extent

Begin position

End position

N/A

Dataset reference date

Resource maintenance

Maintenance and update frequency

As needed

Contact info

Contact position

Data Broker

Organisation name

Central Coast Council

Telephone number

1300 463 954

Email address

ask@centralcoast.nsw.gov.au

Web address

https://www.centralcoast.nsw.gov.au/

Responsible party role

pointOfContact

Constraints related to access and use

Field Value

Limitations on public access

Responsible organisations

Field Value

Responsible party

Contact position

Data Broker

Organisation name

Central Coast Council

Telephone number

1300 463 954

Email address

ask@centralcoast.nsw.gov.au

Web address

https://www.centralcoast.nsw.gov.au/

Responsible party role

pointOfContact

Metadata on metadata

Field Value

Metadata point of contact

Contact position

Data Broker

Organisation name

Central Coast Council

Telephone number

1300 463 954

Email address

ask@centralcoast.nsw.gov.au

Web address

https://www.centralcoast.nsw.gov.au/

Responsible party role

pointOfContact

Metadata date

2024-03-25T09:56:46.808854

Metadata language