Marown Commissioners is asking parents in the parish to tell their children not to use dog poo bags as water bombs.
Commissioner Alison Lynch says the youngsters in the area are really well behaved and hopes this is a one off.
The dispensers have been installed for dog walkers and are paid for by ratepayers.
Mrs Lynch says the local authority would reconsider making them available if it continues:
Illegal immigrant turned back at Manx border can't stay in UK
Bank scammers warning as calls target Island residents
Island to extend UK VAT cut on power, says Treasury Minister
Woman thanks mystery van driver after daring sea rescue
Stay off damaged slipway in Laxey, says local authority
MHK sues attorney general and returning officer over election votes
Islanders reminded to keep challenging domestic abuse beyond October