Johnson Lake Dam
Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Texas |
| County | Grimes |
| River/Stream | TR-HOG CREEK |
| Coordinates | 30.67306, -96.09081 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 1,126 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Normal Storage | 180 acre-ft |
| Surface Area | 21 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | FLORA JOHNSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |