5 second check for a stormwater easement
5 second check for council stormwater easement
Look on Google Street View for nearby kerb inlet pits in the street
left handed pit
water drains along street to left
sag pit
grate in the centre.
water drains perpendicular to street
right handed pit
water drains along street to right
Sag pit is the one to watch out for. It means there is a pipe heading off into private properties, sometimes both up and downstream
To verify, for $20 buy a copy of the deposited plan and look for the easement

