Maria Wallace, 29, of Bideford Gardens in Jarrow was prosecuted by South Tyneside Council after a quantity of waste, including toys, furniture and garden waste, was found in a field at the back of her house.
South Tyneside Magistrates Court was told that there was no access to the field so it was suspected that the waste may have been dumped by the defendant throwing it over her fence.
Repeated attempts to contact the defendant to discuss the matter were ignored leaving the council with no other option but to serve a notice to attend for interview.
By failing to respond to this notice, she committed an offence under section 110 of the Environment Act 1995. She was fined Â£40 and ordered to pay costs of Â£100 and a victim surcharge of Â£30.
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Wayne Jackson, 37, of Gibbons Walk in South Shields was also prosecuted after CCTV footage captured evidence of his car being used to dump waste in a car park in Heddon Way, South Shields.
A notice to attend for an interview to discuss the matter was ignored and he therefore committed an offence under section 110 of the Environment Act 1995.
He was fined Â£120 and ordered to pay costs of Â£100 and a victim surcharge of Â£30.
Joanne Price, 47, of Priestley Gardens in Gateshead, was prosecuted after enforcement officers found waste abandoned at the side of Jarrow Road on the Bede Industrial Estate.
Items within the waste led them to the defendant who ignored a notice to attend for interview, thereby committing an offence under section 110 of the Environment Act 1995.
She was fined Â£57 and ordered to pay costs of Â£100 and a victim surcharge of Â£30.
A spokesman for the council said: “We spend around Â£2.2 million a year keeping the borough clean and tidy.
“Significant costs are incurred clearing up fly-tipping and investigating these offences which place a burden on the finances of the council, and ultimately taxpayers.”
For further information about the many ways waste can be safely and responsibly disposed of in South Tyneside visit: www.southtyneside.gov.uk/wasteandrecycling
Or call the council's customer contact centre on: 0191 427 7000.