There are currently 3 ditch records where Grassy Brook Ditch.

Ditch Number	Ditch Name	Petition Date	Decision Date	Action	Acres Drained	Approximate Cost	Township	VMS Number
138	Grassy Brook Ditch	21 Mar 1883	5 Dec 1883	Constructed	1,080.25	$1,376.08	Leesburg	3010
818	Grassy Brook Ditch	27 May 1907	29 Jun 1907	Constructed	944.90	$1,196.47	Leesburg	6010
1217	Grassy Brook Ditch	20 Aug 1927	3 Dec 1928	Constructed	3,133.21	$5,447.05	Leesburg	6010