Grasslands Basin Dam

High HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateIllinois
CountyCook
River/StreamTRIB MARLEY CREEK
Coordinates41.58517, -87.89807

Physical Characteristics

Dam TypeEarth
NID Height10 ft
Dam Height10 ft

Storage & Hydraulics

NID Storage22 acre-ft
Max Storage22 acre-ft
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerVILLAGE OF ORLAND PARK
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentNot Available
Last Inspection10/29/2025
Emergency Action PlanYes

Identifiers

NID IDIL55173
Federal IDIL55173
More InfoState Dam Safety Program

Nearby Dams

Spaniel Lake Dam 0.8 mi High Colette Highlands Dam 1.7 mi Low Orland Park Basin Dam 1.8 mi Low Main Street Triangle Dam 4.1 mi Significant Tampier Lake Dam 4.2 mi Significant Frankfort Flow Equalization Pond Dam 5.2 mi Significant Gun Club Lake Dam 5.5 mi Significant Holy Family Villa Lake Dam 5.9 mi Low Papoose Lake Dam 5.9 mi Significant Milne Creek Weir Dam 7.0 mi Low