municipal account

i opened account in 2014 and I hace been cahrged Miscellaneous charges ranging form 150 to r2000 on a monthly basis. i was also 3 times charged excessive amount for water ranging from R1 100 to R25 000 on a montlhy basis. My account is currently sitting on R68 901 which almost R55 000 is from the interest fees, miscellaneous charges and big portion of amount form the correction done unfairly. I need the municipality to review my account and correct it accordingly. i was previously being charged the property retae hihger than the area I am staying at. I really , really need asistance. i have visisted municipal offices so many time and called the customer services without any luck and assistance