Carrownisky/Killary Water Management Unit Action Plan River water bodies labelled on map

Transcription

1 Carrownisky/Killary Water anagement Unit Action lan River water bodies labelled on map Carrownisky/Killary Water anagement Unit Area River Basin District ain Counties umber of river water bodies umber of lake water bodies 387 km 2 Western RBD ayo/alway Sectoral Total hosphorus Source Sectoral Total hosphorus Source (This (This does not imply impact) impact) % ARICULTURE AQUACULTURE BACKROUD FORESTR USEWE_ID USEWERED URBA WWT EATLAD Ordnance Survey Ireland. All rights reserved. Licence number 2010/15CCA/alway County Council. arch 2010

2 Carrownisky/Killary River Water anagement Unit Action lan Lake water bodies labelled on map Carrownisky/Killary Water anagement Unit Area River Basin District ain Counties umber of river water bodies umber of lake water bodies 387 km 2 Western RBD ayo/alway Sectoral Total hosphorus Source Sectoral (This does Total not hosphorus imply impact) Source (This does not imply impact) % ARICULTURE AQUACULTURE BACKROUD FORESTR USEWE_ID USEWERED URBA WWT EATLAD Ordnance Survey Ireland. All rights reserved. Licence number 2010/15CCA/alway County Council. arch 2010

3 Carrownisky/Killary Water anagement Unit Action lan ROTECTED AREAS F catchments 1, Bundorragha. SAC 5, Cross Lough (Killadoon), Lough Cahasy/Lough Baun and Roonagh Lough, weelrea/sheeffry/erriff Complex, aumturk ountains, The Twelve Bens/arraun Complex. SA 1, Cross Lough (Killadoon). A 1, Tawnymackan Bog. pa 13, The Twelve Bens/arraun Complex, aumtrasna ountain Complex, aumturk ountains, Dernasliggaun Wood, Lough Cahasy, Lough Baun and Roonah Lough, weelrea/sheeffry/erriff Complex, Caher Island, Inishturk, Ballybeg Island, Cross Lough (Killadoon), Inishdalla, Frehill Island, Inishdegil Islands. Surface Drinking Water 2, Killeen (ayo), Leenaun (alway). utrient Sensitive Surface Water UWWT Directive - none Shellfish Water 1, Killary arbour. Designated Bathing Water none STATUS/IACTS Overall status For rivers the status is mostly high to good status with a few river water bodies out of the total 57 within the WU at moderate to poor status. The Lake status overall is mostly high to good with one lake at moderate status. The WU flows into the Erriff Estuary (moderate status), Killary arbour coastal area (high status) and the West Atlantic seaboard (unassigned status). Status elements Status of the main rivers in the WU For most of the 57 river water bodies within the WU the Q score dictates status, however the Bundorragha is a freshwater pearl mussel river and the conservation status of the F population dictates the status which has been classified as ood. All rivers pass physio-chemical monitoring standards where this is carried out. Four (4) out of a total 12 lakes within the WU have their status dictated by monitored results from macrophytes, chlorophyll and nutrients combined with expert opinion in some cases. Corragaun Lough is a Lagoon and no status has been assigned. The principal rivers within the Carrownisky - Killary WU are the Carrownisky river draining through Roonagh Lough to the coast, the Bunleemshough river a tributary of Roonagh Lough, the Owennadornaun river draining to the coast, the Bundorragha river system which drains the lencullen river, lenummera river, Doo Lough and Fin Lough and Owennaglogh to Killary arbour. The main inflowing river from the east is the Oirimh (Erriff) river which drains the Owenmore, Owenduff (Owenwee), Derrycraff and lenlaur rivers to Killary arbour. The main inflowing rivers from the south are the Laghtyfahagaun river and the Bunowen river and the Culfin river which drains through Lough Fee and Lough uck to the sea. The Bundorragha river is a designated Freshwater earl ussel (F) river under the EU abitats Directive. The F population are at favourable conservation status and it is essential that no deterioration in the quality of this river occurs. The most recent EA status classifications for these rivers indicates that 18% of all river channel length is classed as igh with 62% ood. Some 5% of river length is classed as oderate with 15% oor. CULFI This river flows westward to the Atlantic and has been classed as ood (biological monitoring) along its main length. The two main lakes in the system Loch uc (uck) and Loch Fidh (Fee) are also classed as ood. Above Loch Fidh the inflowing river Culfin flowing from ambrackkeagh is also at ood status but a small tributary flowing from the south east is at oderate status (based on extrapolated land use impact). The small Fiddaunnavear river, a tributary of the Culfin, flowing from Lough acarrigeen (igh status) is at ood status (based on land use extrapolated impact). BUOWE This river flows northward into An Caoláire Rua (Killary arbour) and is classed as ood based on general physical and chemical data. LATFAAAU - This is a small river draining northwards into An Caoláire Rua west of An Líonán (Leenaun) and is classed as ood on the basis of extrapolated land use. COILLÉAC ÓR (Culliaghmore) - This river flows through An Líonán into the fjord and is classed as ood on the basis of extrapolated land use impact. ABAI OIRI (Erriff) This is a major river system flowing eastward into An Caoláire Rua at the innermost point of the fjord. The river is classed as ood (Biological monitoring data) along its main channel including the section above Erriff bridge where it is named as the Owenmore river. The upper tributaries of the Owenmore, the Fiddaunarinnia and the Sruhan Owen O Doherty are also classed as ood status. The lenlaur tributary is classed as igh status (Biological monitoring). The inflowing northeastern tributary the Derrycraff river is classed as oderate (biological monitoring) in its lower reaches but ood in its upper reaches. One tributary of the Derrycraff, the Cross river draining Lough lenawough, is at ood status (extrapolated land use impact) but another, the Owencloghagh river, is at oor status (based on extrapolated land use impact). On the Oirimh itself the main tributary Owenduff (Owenwee river) flowing from Tawnyard Lough is at igh status. The lendavock river flowing into Tawnyard Lough is classed as ood status. The inflowing small tributary rivers lenacally, lenfree and lenageragh are all at ood status based on the extrapolated land use impacts.

4 Carrownisky/Killary Water anagement Unit Action lan STATUS/IACTS Status of the main rivers in the WU BUDORRAA The Bundorragha river system is one of the most important Freshwater earl ussel rivers both nationally and internationally. Its F population is at favourable conservation status and a specific Freshwater earl ussel Sub-basin Catchment anagement lan has been prepared for its protection ( The water quality requirements for this river are therefore very high. The main Bundorragha river section flowing from Fin Lough (ood status) is classed as ood (the biological assessment indicates igh status but the physico chemical assessment indicates a status level of ood). Above Fin Lough the short section of river below Doo Lough (ood status) known as the Owengarr is also classed as ood status (again igh status in relation to biological elements but ood in relation to physico-chemical). The main lenummera river, flowing westward into Doo Lough Is at high status as indicated by biological assessment. The lencullin river draining Lough Cunnel and lencullin Lough into Doo Lough is classed as ood. OWEADOAU Flowing westward into the Atlantic north of Corragaun Lough this river is classed as oor status based on biological monitoring data. BULEESOU This river flows north westward draining Lough ahaltora and the area south of this, through Roonagh Lough to the sea at Sruhir Strand. It has been classed as oor based on extrapolation from similar land use. CARROWISK The Carrownisky river is the most northerly river system in the WU. It flows westward to the sea through Roonagh Lough. It is classed as at igh status in its upper reaches above lenkeen bridge (biological monitoring data ) and at ood status thereafter (biological monitoring data). The short section flowing out of Roonagh Lough to the sea is classed as oor (based on extrapolated land use impact).

5 Carrownisky/Killary Water anagement Unit Action lan RESSURES / RISKS OBJECTIVES utrient sources Over 90% of the Total hosphorus generated within the WU is diffuse with agriculture accounting for over 80% of T. ood status 2015 ood status to be achieved for all water bodies unless alternative objectives are identified. oint pressures Wastewater Treatment lants (WWT) and Industrial Discharges WWT 1, Leenane Section 4 licensed facilities - 9, of which 3 are within alway and 6 are within ayo ICs. - one WT 2, of which 1 in is in ayo, (Killeen) and 1 is in alway (Leenane). In addition there are some roup Water Schemes abstractions. Leenane WWT no risks. ew plant is fully operational. Alternative Objectives eavily odified/artificial Waterbodies one. Extension orphology (Overgrazing) () IE_WE_32_3596, IE_WE_32_535 Extensions for Status Recovery due to prolonged timescale for improvement to allow measures to become effective (oor and Bad status water bodies) () IE_WE_32_2851, IE_WE_32_2897, IE_WE_32_2991, IE_WE_32_2570, IE_WE_32_2756, IE_WE_32_2792, IE_WE_32_2954, IE_WE_32_3794, IE_ Quarries, ines & Landfills Agriculture On-site wastewater treatment systems Forestry Dangerous substances orphology Abstractions eavily odified Water Body (WB) and Artificial Water Body (AWB) 2 quarries within WU - both in the Erriff area in ayo. o landfills or mines within WU. There is one old mine within the ayo portion of the WU - Sheffry. There are 2 water bodies at risk from agriculture within WU: IE_WE_32_4289 and IE_WE_32_3596. There are 964 OSWTS within the WU Boundary. 629 OSWTS lie within 56 river water bodies (0 of which are at risk). The remainder of OSWTS lie between the river water bodies and the seashore. There are 4 water bodies at risk from forestry within WU: WE_32_378, WE_32_3500, WE_32_3154 and WE_32_3998. There are 10 water bodies that have been determined to be at risk from sheep dipping activities within the WU: IE_WE_32_378, IE_WE_32_2851, IE_WE_32_2897, IE_WE_32_2991, IE_WE_32_2570, IE_WE_32_2756, IE_WE_32_2792, IE_WE_32_2954, IE_WE_32_3794 and IE_ Almost half the water bodies within the WU are deemed to be at risk from overgrazing pressures. There are no water bodies determined to be at risk from abstraction within the WU. There are no WB or AWB within the WU. SELECTED ACTIO RORAE B All relevant basic measures and general supplementary measures/surveys apply oint Sources Diffuse Sources Other Investigation of sewage and trade discharges and licence review where appropriate will be carried out. articular measures are required to address diffuse pollution pressures from agriculture including investigations and enforcement under the ood Agricultural ractices Regulations. Supplementary measures that apply for forestry include riparian zone management, enhancement of sediment control and drainage management for both eutrophication and sedimentation. The Freshwater earl ussel Sub Basin anagement lan for the Bundorragha catchment and proposed measures are an important aspect of the action programme for this WU. rotection of drinking waters and future abstraction licensing control are also important basic measures required to ensure good water quality. Further investigation of quarry risk is needed before measures can be identified. The Shellfish ollution Reduction rogrammes for shellfish growing areas apply to the Killary arbour Shellfish area. Supplementary measures that apply for morphology include over-grazing remediation measures. In addition specific oovergrazing rehabilitation measures have been identified to assist recovery from impact in WE_32_3596, WE_Erriff_Derrycraff_Derrinkee1 and WE_32_535, WE_Erriff_Owencloghagh

6 Carrownisky/Killary Water anagement Unit Action lan Status of river water bodies within the WU River water body status ( % number) River water body status ( % Length) 18% 21% 15% 18% 4% 5% 57% igh ood oderate oor Bad 62% igh ood oderate oor Bad Biological Elements Supporting Elements rotected Areas ember State Code onitored Extrapolated Donor Water body acroinvertebrates (Q) FreshWater earl ussel Fish hytobenthos (Diatoms) orphology Specific ollutants hysio-chemical Ecological Status Chemical Status Special Area of Conservation Special rotection Area utrient Sensitive Waters Drinking Water Objective Date objective to be achieved WE_32_1053 ES WE_32_1054 WE_30_3038 ES WE_32_1107 WE_32_3804 ES WE_32_1348 WE_32_3998 ES WE_32_1706 ES WE_32_1711 WE_32_540 ES WE_32_1731 WE_30_3038 ES WE_32_1735 WE_32_3804 ES WE_32_1736 WE_32_3804 ES WE_32_1750 WE_32_540 ES ES WE_32_2570 ES WE_32_2756 ES WE_32_2763 ES WE_32_2764 ES WE_32_2792 ES WE_32_2821 ES WE_32_2851 ES

7 Carrownisky/Killary Water anagement Unit Action lan Biological Elements Supporting Elements rotected Areas ember State Code onitored (Extrapolated ) Donor Water body acroinvertebrates (Q) FreshWater earl ussel Fish hytobenthos (Diatoms) orphology Specific ollutants hysio-chemical Ecological Status Chemical Status Special Area of Conservation Special rotection Area utrient Sensitive Waters Drinking Water Objective Date objective to be achieved WE_32_2897 ES WE_32_2927 ES WE_32_294 ES WE_32_2954 ES ES WE_32_2974 ES WE_32_2975 WE_32_2974 ES WE_32_2991 ES WE_32_3057 WE_32_3998 ES WE_32_3154 ES WE_32_3303 ES WE_32_3316 ES WE_32_3317 ES WE_32_3384 WE_32_3803 ES WE_32_3500 WE_32_637 ES 2015 WE_32_3524 ES ES WE_32_3596 ES WE_32_3774 ES WE_32_378 TBC ES WE_32_3794 ES WE_32_3799 ES WE_32_3803 ES WE_32_3804 ES WE_32_3805 ES WE_32_3912 ES WE_32_3995 ES WE_32_3998 ES WE_32_4289 ES WE_32_484 ES WE_32_513 ES

8 Date objective to be achieved Objective Drinking Water WE_32_809 ES ES Carrownisky/Killary Water anagement Unit Action lan WE_32_869 WE_32_915 ES ES ES WE_32_540 WE_32_546 ES WE_32_535 ES WE_30_1516 WE_32_517 ES rotected Areas Supporting Elements utrient Sensitive Waters Special rotection Area Special Area of Conservation Chemical Status Ecological Status hysio-chemical Specific ollutants orphology hytobenthos (Diatoms) Fish FreshWater earl ussel acroinvertebrates (Q) Donor Water body onitored (Extrapolated ) ember State Code WE_32_516 Biological Elements

9 Carrownisky/Killary Water anagement Unit Action lan - Lakes Status of lake water bodies within WU Lake water body status (o. %) oderate 8% Lake water body status (Area %) oderate 1% igh 23% igh 42% ood 50% ood 76% Biological Elements Supporting Elements rotected Areas ember State Code ame onitored (Extrapolated ) acrophytes Chlorophyll Fish orphology utrient Enrichment hysico Chemical Ecological Status Chemical Status Special Area of Conservation Special rotection Area utrient Sensitive Waters Bathing Water Drinking Water Objective Date objective to be achieved WE_32_349 Derrintin Lough ES 2015 WE_32_358 Cunnel ( Lough ) ES WE_32_391 Fin Lough ES WE_32_392 lenawough ( Lough ) ES WE_32_428 Lugacolliee Lake ES WE_32_441 Tawnyard Lough ES WE_32_458 acarrigeen ( Lough ) ES WE_32_472 ahaltora ( Lough ) ES WE_32_482 uck ( Lough ) ES WE_32_487 lencullin Lough ES WE_32_490 Doo Lough ES WE_32_498 Fee ( Lough ) ES