Mauka Reservoir
High HazardPoor ConditionEmergency Action Plan: Yes
Location
| County | Kauai |
| Nearest City | KOLOA |
| River/Stream | WAIHOHONU STREAM |
| Coordinates | 21.94139, -159.46897 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 550 ft |
| Year Completed | 1910 (116 years old) |
Storage & Hydraulics
| NID Storage | 345 acre-ft |
| Max Storage | 345 acre-ft |
| Normal Storage | 110 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 2,193 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Eric A. Knudsen Trust |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 01/29/2026 |
| Emergency Action Plan | Yes |