Enfield Blackwater

{{Short description|River in the counties of Kildare and Meath, Ireland}}

{{Use dmy dates|date=November 2019}}

{{Use Hiberno-English|date=November 2019}}

{{Infobox river

| name = River Blackwater (Enfield)

| image =

| image_caption =

| native_name ={{native name|ga|An Abhainn Dubh}}

| source1_location = Derrymahon, County Kildare

| mouth_location = Donore, County Meath to River Boyne, thence to Irish Sea

| subdivision_type1 = Country

| subdivision_name1 = Ireland

| length_km = 24.5

| source1_elevation = {{convert|90|m|abbr=on}}

| discharge1_avg = {{convert|0.24|m3/s|abbr=on}}

| basin_size_km2 = 126.8

| tributaries_left =

| tributaries_right =

}}

The River Blackwater, also called the Enfield Blackwater,{{cite web|url=http://www.fishinginireland.info/trout/east/meath/enfield.htm|title=Fishing in Ireland. An angler's guide to the best fishing in Ireland.}} or Kildare Blackwater[https://books.google.com/books?id=ccwy2n5MNa0C Notes on Ireland and Other Writings, Nancy Hennessy. p. 64]{{Cite web |url=http://www.meath.ie/CountyCouncil/Publications/HeritagePublications/File,43119,en.pdf |title=Archived copy |access-date=18 December 2014 |archive-date=26 February 2015 |archive-url=https://web.archive.org/web/20150226065752/http://www.meath.ie/CountyCouncil/Publications/HeritagePublications/File,43119,en.pdf |url-status=dead }} is a river that flows through the counties of Kildare and Meath in Ireland. It is a tributary of the River Boyne which flows into the Irish Sea at Drogheda.{{Cite web |url=http://hydronet.epa.ie/stat_88873.htm?entryparakey=W |title=HydroNet - Environmental Protection Agency - Ireland |access-date=2014-12-18 |archive-url=https://web.archive.org/web/20141227055242/http://hydronet.epa.ie/stat_88873.htm?entryparakey=W |archive-date=2014-12-27 |url-status=dead }}