[4] Aldgate's drainage system has suffered substantial problems and has been the result of drastic flooding through the main street.

One of the worst cases of this occurred at around 8:00AM on 8 November 2005, which left most of the businesses in the main street flooded with significant damage.

It was reinstalled in May 2011 by the Adelaide Hills Council and now sits atop a pedestal on the footpath in the main street.

[6] those listed in the South Australian Heritage Register:[7] Aldgate is in the Adelaide Hills Council local government area, the federal Division of Mayo and the state electoral district of Heysen.

Aldgate is mentioned in the Redgum song "So Goodbye" featured on the band's 1978 album If You Don't Fight You Lose.