Levee systems in Hawaii
27 systems on the federal register, with 32,756 people recorded living behind the 27 of them that publish a population figure.
Systems
27
current records
People behind them
32,756
across 27 systems
Miles of levee
9
across 24 systems
Not accredited
63%
17 of 27
01
Every system in Hawaii
27 records| System | Location | Accreditation | People | Length |
|---|---|---|---|---|
| Kawainui Marsh - 6850lf Levee, Floodwall & Oneawa Chnl (KMFL) | Kailua, Honolulu County, Hawaii | Accredited | 16,090 | 0.30 miles |
| Iao Stream - Levee A, B, C, D, E, H, I, Chnl & Revt X, RB (ISLE) | Wailuku, Maui County, Hawaii | Provisionally Accredited Levee (PAL) System | 3,313 | 1.17 miles |
| Wailoa Stream RB - Diversion Levee 1, 2, 3, 4 & Channel (WSRB) | Hilo, Hawaii County, Hawaii | Non-Accredited | 2,243 | 0.99 miles |
| Kahawainui Stream - RB Levee (KSLR) | Laie, Honolulu County, Hawaii | Non-Accredited | 1,741 | 0.41 miles |
| Alenaio Stream LB - Levee, Floodwall C & Lined Channel (ASFC) | Hilo, Hawaii County, Hawaii | Accredited | 1,438 | 0.19 miles |
| Waimea River - RB, All Levees (WRR1) | Waimea, Kauai County, Hawaii | Non-Accredited | 1,370 | 0.94 miles |
| Alenaio Stream - Floodwall A, B - RB & Lined Channel (ASFA) | Hilo, Hawaii County, Hawaii | Accredited | 954 | 0.03 miles |
| Kuliouou Stream - RB & Chnl (KIBR) | East Honolulu, Honolulu County, Hawaii | Non-Accredited | 934 | Not published |
| Waimalu Stream - NF Debris Basin and Channel (WSNB) | Waimalu, Honolulu County, Hawaii | Non-Accredited | 933 | Not published |
| Iao Stream - Levee I, H, Channel at Bottom - LB (ISIL) | Wailuku, Maui County, Hawaii | Provisionally Accredited Levee (PAL) System | 899 | 0.59 miles |
| Kahoma Stream - RB, Channel & Levee (KORB) | Lahaina, Maui County, Hawaii | Non-Accredited | 556 | 0.09 miles |
| Fort Shafter Flats Flood Mitigation Project | Urban Honolulu, Honolulu County, Hawaii | Accredited | 538 | 0.10 miles |
| Kahoma Stream - LB, Channel & Levee (KOLB) | Lahaina, Maui County, Hawaii | Non-Accredited | 487 | 0.28 miles |
| Kuliouou Stream - LB & Chnl (KIBL) | East Honolulu, Honolulu County, Hawaii | Non-Accredited | 254 | Not published |
| Lanimaumau | Waimea, Hawaii County, Hawaii | Accredited | 190 | 0.70 miles |
| Paauau Stream - All (PALV) | Pahala, Hawaii County, Hawaii | Non-Accredited | 177 | 0.05 miles |
| Hanapepe River RB Levee (HRRB) | Hanapepe, Kauai County, Hawaii | Non-Accredited | 172 | 0.85 miles |
| Kaunakakai Stream - LB Levee (KSUL) | Kaunakakai, Maui County, Hawaii | Accredited | 136 | 0.72 miles |
| Hanapepe River LB Levee (HRLB) | Hanapepe, Kauai County, Hawaii | Non-Accredited | 105 | 0.00 miles |
| Wailoa Stream LB (WALB) | Hilo, Hawaii County, Hawaii | Non-Accredited | 47 | 0.23 miles |
| Kamuela Stream Levee | Waimea, Hawaii County, Hawaii | Accredited | 43 | 0.33 miles |
| Iao Stream - Levee G, LB (ISLG) | Wailuku, Maui County, Hawaii | Provisionally Accredited Levee (PAL) System | 42 | 0.18 miles |
| Kaunakakai Stream - RB Levee (KSRB) | Kaunakakai, Maui County, Hawaii | Non-Accredited | 42 | 0.21 miles |
| Iao Stream - Channel at Bottom & LB (ISAL) | Wailuku, Maui County, Hawaii | Non-Accredited | 24 | 0.28 miles |
| Keopu Drainageway | Kailua, Hawaii County, Hawaii | Non-Accredited | 18 | 0.11 miles |
| Kalauao Stream - RB (NOKA) | Waimalu, Honolulu County, Hawaii | Non-Accredited | 10 | 0.20 miles |
| Wailoa Stream - Diversion Levee LB 5 (WSL5) | Hilo, Hawaii County, Hawaii | Non-Accredited | 0 | 0.07 miles |
Source: USACE National Levee Database, refreshed 2026-09-10. Accreditation status describes a system against a design flood event and is not a safety score. What it means.