With the recent rain we've had a lot of water collecting on the front lawn. One morning we found a large water haematoma on the lawn where water had built up under the lawn and turned a patch into a water bed! When Arnie dug down to find the cause he found a broken drain which we Arnie repaired (a beautiful job too). We then found that the large drain to the foreshore had blocked with sand and stones. And once we had cleared it a huge volume of backed-up water gushed out. Problem solved. Lesson learned.