Worst DA led MunicipalityS

A report /complain were send to the above company regarding a burst watermain about 4 to 6 months ago. These guys responded about three weeks ago for repairs to this burst waterpipe but still water kept on running through our dwellings as well as the foundations of our houses, resulting in cracked walls, loose floor tiles etc, etc. We contacted the Municipality on numerous times with e-mails, as well as photos of the damages to our property as well as the damages to our houses. All response we received were reference numbers. I've since contacted my insurer and was informed that they are not responsible for the damages as it did not occur om my property ,but they will repair ,but i need to pay an astronomical excess as the leak were on the property of the Municipality. What am i suppose to do now??Can the Municipality be held responsible for the damages to my dwelling??Will i be re-emburse by the Municipality for this extra high excess i need to pay my insurer