There are approximately 40 waste water treatment plants in County Meath.
- 33 plants are operated by Meath County Council on behalf of Uisce Éireann
- 7 plants are operated by EPS Ireland on behalf of Uisce Éireann
Licenses have been granted for the following plants:
A: Ardcath, Athboy
B: Ballinabrackey, Ballivor, Batterstown, Bellewstown, Bohermeen
C: Donore, Drumconrath, Duleek, Dunderry, Dunshaughlin
E: Enfield,
H: Hill of Tara
K: Kells, Kentstown, Kilberry, Kilcloon, Kildalkey, Kilmainhamwood
L: Lloyd Kells, Lobinstown, Longwood
M: Moynalty
N: Navan, Nobber
O: Oldcastle,
R: Rathmolyan, Robinstown
S: Skreen, Slane, Stamullen, Summerhill
T: Trim