Hi Kippy, this has been one of the most controversial discussed topics. Water is a possible tool for griefing, so we only give water to trusted players. Moderator's jobs are to be there to help you. It will never be annoying for us, that is why we are here. If you ever need help with water/lava feel free to use /helpop and we will help you ASAP.
Most relative topic about lava buckets can be found
here.
Make sure to read the
SUGGESTION PORTAL to make sure this hasn't been discussed before.