9.5 Surface water quality

opendate_range3 Sep, 2019, 9:00am - 15 Oct, 2019, 5:00pm

There are a number of water bodies which drain the Dublin Airport lands. The LAP lands fall within four main river catchments, the Ward River, the Sluice River, the Mayne River and the Santry River. The Ward River enters the sea at the Broadmeadow Estuary at Swords while the Sluice and Mayne Rivers enters the sea at Baldoyle Bay in Portmarnock. The Santry River enters Dublin Bay at Raheny. The LAP area is subsequently divided into sub-catchments which drain specific areas of the Airport through a network of streams, culverts and surface water drains. These sub-catchments include the Cuckoo, Kealy’s, St. Margaret’s, Forest Little and Ward Streams.

Future development should comply with the Dublin Airport Local Area Plan and Surface Water Management Plan objectives to ensure any impacts on water quality will be positive. The surface water management plan should include, inter alia,

  1. Proposals to intercept and collect, for separate treatment and disposal, run-off contaminated with de- icing chemicals, aviation fuels and other contaminants.

  2. Provision for a surface water quality monitoring system and on-going monitoring of attenuation areas and storm water retention facilities.

  3. Identify measures to prevent spillage or leakage from fuel storage and refuelling areas.

  4. Incorporate a pollution contingency plan.

  5. Consider impacts on groundwater.

The Dublin Airport Local Area Plan Strategic Flood Risk Assessment and Surface Water Management Plan should strive to achieve ‘good status’ in all its associated waterbodies in compliance with the Water Framework Directive, the River Basin Management Plan for Ireland 2018-2021 and the associated Programme of Measures (second cycle) and in cooperation with the development and implementation of the third cycle River Basin Management Plan 2022-2027 and any subsequent plans.

Accordingly development proposals at the Airport will be required to demonstrate compliance with the following objectives.

SURFACE WATER QUALITY OBJECTIVES
OBJECTIVE SWQ01

Applications for development shall demonstrate that they will not deteriorate the status of either surface or ground water bodies. Where appropriate, permissions shall be conditioned to require the developer to undertake actions in order to improve the status of water bodies, in line with the Water Framework Directive.

OBJECTIVE SWQ02

The Dublin Airport Local Area Plan Strategic Flood Risk Assessment and Surface Water Management Plan should strive to achieve ‘good status’ in all its associated waterbodies in compliance with the Water Framework Directive, the River Basin Management Plan for Ireland 2018-2021 and the associated Programme of Measures (second cycle) and in cooperation with the development and implementation of the third cycle River Basin Management Plan 2022-2027 and any subsequent plans.

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