Wicklow
Water quality for 77 rivers, lakes and coastal waters in Wicklow, from EPA and DAERA Water Framework Directive ecological status.
Official classifications in this county
- High
- 9
- Good
- 36
- Moderate
- 27
- Poor
- 4
- Bad
- 1
- Askanagap Stream, KnockanannaHigh
- Aughrim (Wicklow), Baile ChuagModerate
- Avoca, ArklowPoor
- Avoca Estuary, ArklowModerate
- Avonbeg, BallinaclashModerate
- Avonmore, RathdrumModerate
- Ballinagee, ValleymountGood
- Ballycreen Brook, MacreddinGood
- Ballydonnell Brook, KilbrideModerate
- Ballylow Brook, GlencreeHigh
- Ballymacahara, AshfordGood
- Ballyronan Stream, KilquadeModerate
- Bray Lower, GlencreeModerate
- Bray Upper, GlencreeHigh
- Broad Lough, RathnewModerate
- Brown's Beck Brook, DonardGood
- Carrigower, DonardGood
- Cloghoge Brook, RoundwoodHigh
- Cock Brook, ValleymountGood
- Coolalug Stream, MucklaghGood
- Coolboy, CoolboyGood
- Dan, RoundwoodModerate
- Dargle, EnniskerryGood
- Dargle Estuary, BrayModerate
- Derreen, RathdanganGood
- Derry Water, KnockanannaGood
- Dodder, GlencreeModerate
- Douglas (Kiltegan), RathdanganGood
- Douglas (Liffey), DonardGood
- Glencree, GlencreeGood
- Glencullen, EnniskerryGood
- Glendasan, LaraghModerate
- Glenealo, LaraghBad
- Glenmacnass, LaraghModerate
- Gold Mine, Baile ChuagGood
- Goldenhill, HempstownModerate
- Grangecon Stream, StratfordGood
- Haughtons, Crois an FhaoitighModerate
- Inchanappa, AshfordGood
- Kilcoole Marsh, KilcooleModerate
- Kilcoole Stream, KilcooleModerate
- Kilmacanoge, KilmacanogeModerate
- Kilpoole LowerGood
- Kilruddery Deerpark, GreystonesModerate
- King's (Liffey), ValleymountPoor
- Knickeen, DonardHigh
- Knockboy, KilteganGood
- Lemonstown Stream, HollywoodGood
- Liffey, GlencreePoor
- Little Slaney, RathdanganGood
- Lower, LaraghModerate
- Mine, CarnewGood
- Nahanagan, LaraghHigh
- Newcastle (Wicklow), NewcastleModerate
- Newtownmountkennedy, KilquadeModerate
- Ouler, LaraghHigh
- Ow, AghavannaghModerate
- Pollaphuca, ValleymountGood
- Potter's, GlenealyGood
- Rathnew Stream, RathnewGood
- Redbog, HempstownGood
- Redcross, RedcrossGood
- Rosnastraw Stream, TinahelyModerate
- Sevenchurches, LaraghHigh
- Shillelagh, Coolkenna StreetGood
- Slaney, Stratford on SlaneyPoor
- Southwestern Irish Sea - Brittas Bay (Ha 10), ArklowHigh
- Southwestern Irish Sea - Killiney Bay (Ha10), NewcastleGood
- Tay, RoundwoodModerate
- Templerainy Stream, Barranisky Cross RoadsGood
- Three Mile WaterGood
- Three Trouts Stream, DelganyModerate
- Upper Glendalough, LaraghModerate
- Vartry, RoundwoodGood
- Vartry Upper, RoundwoodGood
- Varty Lower, RoundwoodGood
- WicklowGood
These pages show water-quality information, not swim-safety advice. For today’s conditions and swim-safety guidance, check Water Safety Ireland.