THE Environment Agency has objected to the Perrybrook development because of concerns about flooding and sewage.
It says developers who want to build 1,500 homes on Brockworth greenbelt have not properly assessed the impact on Horsbere Brook.
It says the application does not acknowledge the risks such as the possibility the banks may collapse.
Senior Planning Officer Carl Cording has written to Tewkesbury Borough Council saying 'This development has the potential to cause significant damage to the ecology of this section of the Horsbere'.
He goes on to say 'the connection of this scheme to the existing foul sewage system may affect the operation of any existing storm sewage discharges on the downstream sewer network'.
Co-founder of campaign group Save Brockworth's Greenbelt Jan Thomas said: "Their objection is good news.
"We spoke to an EA officer early on about these concerns.
"God knows how old our sewage system is.
"Since the Nightjar Road development was built we have had problems when the weather is bad with sewage running down Ermin Street.
"Most of the 1,500 homes they are planning will probably have two toilets so that's 3,000 in total.
"The infrastructure we have got in Brockworth clearly won't be able to cope with this."
Mark Chadwick, director at Hunter Page Planning who submitted the application, said: "The EA have issued what is termed a 'holding response' which is deemed as an objection simply because they have asked for further information in respect of the Horsebere Brook and foul drainage measures.
"This shows the consultation process is working and we will be providing the extra information requested.
"We believe that information will address the EA's concerns".
It says developers who want to build 1,500 homes on Brockworth greenbelt have not properly assessed the impact on Horsbere Brook.
It says the application does not acknowledge the risks such as the possibility the banks may collapse.
Senior Planning Officer Carl Cording has written to Tewkesbury Borough Council saying 'This development has the potential to cause significant damage to the ecology of this section of the Horsbere'.
He goes on to say 'the connection of this scheme to the existing foul sewage system may affect the operation of any existing storm sewage discharges on the downstream sewer network'.
Co-founder of campaign group Save Brockworth's Greenbelt Jan Thomas said: "Their objection is good news.
"We spoke to an EA officer early on about these concerns.
"God knows how old our sewage system is.
"Since the Nightjar Road development was built we have had problems when the weather is bad with sewage running down Ermin Street.
"Most of the 1,500 homes they are planning will probably have two toilets so that's 3,000 in total.
"The infrastructure we have got in Brockworth clearly won't be able to cope with this."
Mark Chadwick, director at Hunter Page Planning who submitted the application, said: "The EA have issued what is termed a 'holding response' which is deemed as an objection simply because they have asked for further information in respect of the Horsebere Brook and foul drainage measures.
"This shows the consultation process is working and we will be providing the extra information requested.
"We believe that information will address the EA's concerns".