Levees / By county / Los Angeles County, CA
Levee systems in Los Angeles County, CA
78 systems on the federal register here, with 902,776 people recorded behind the 77 that publish a figure.
| System | Location | Accreditation | People | Length |
|---|---|---|---|---|
| Los Angeles River/Rio Hondo Diversion 1 | Paramount, Los Angeles County, California | Provisionally Accredited Levee (PAL) System | 272,000 | 19.8 miles |
| San Gabriel River/Coyote Creek 2 | Norwalk, Los Angeles County, California | Provisionally Accredited Levee (PAL) System | 180,197 | 23.3 miles |
| Los Angeles River/Compton Creek 2 | Lynwood, Los Angeles County, California | Provisionally Accredited Levee (PAL) System | 61,092 | 14.4 miles |
| San Gabriel River 2 | El Monte, Los Angeles County, California | No Regulatory Flood Hazard Information Published by FEMA | 60,539 | 8.36 miles |
| San Gabriel River 6 | Irwindale, Los Angeles County, California | Non-Accredited | 57,763 | 4.45 miles |
| Los Angeles River/Rio Hondo Diversion 2 | Commerce, Los Angeles County, California | Provisionally Accredited Levee (PAL) System | 50,515 | 14.1 miles |
| Los Angeles River/Compton Creek 1 | Long Beach, Los Angeles County, California | Provisionally Accredited Levee (PAL) System | 28,500 | 7.67 miles |
| San Gabriel River 3 | Duarte, Los Angeles County, California | Non-Accredited | 22,580 | 1.96 miles |
| Los Angeles County Levee 51 | Los Angeles, Los Angeles County, California | Non-Accredited | 13,909 | 0.30 miles |
| Dominguez Channel Levee System 2 | Los Angeles, Los Angeles County, California | Provisionally Accredited Levee (PAL) System | 13,348 | 2.36 miles |
| Ballona Creek 4 | Los Angeles, Los Angeles County, California | Non-Accredited | 10,837 | 1.93 miles |
| San Gabriel River 7 | Azusa, Los Angeles County, California | Non-Accredited | 9,145 | 3.05 miles |
| Los Angeles County Levee 29 | Santa Clarita, Los Angeles County, California | Accredited | 8,677 | 1.76 miles |
| Los Angeles County Levee 49 | Claremont, Los Angeles County, California | Non-Accredited | 8,343 | 2.57 miles |
| Rio Hondo Upper 3 | El Monte, Los Angeles County, California | Non-Accredited | 8,225 | 1.13 miles |
| Los Angeles County Levee 97 | Long Beach, Los Angeles County, California | Non-Accredited | 7,001 | 1.93 miles |
| Los Angeles County Levee 107 | Santa Clarita, Los Angeles County, California | Non-Accredited | 6,556 | 1.15 miles |
| Rio Hondo Upper 1 | Rosemead, Los Angeles County, California | Non-Accredited | 6,471 | 0.80 miles |
| Dominguez Channel Levee System | Carson, Los Angeles County, California | Provisionally Accredited Levee (PAL) System | 6,244 | 1.97 miles |
| Rio Hondo Upper 4 | El Monte, Los Angeles County, California | Non-Accredited | 6,061 | 2.68 miles |
| Los Angeles County Levee 10 | Compton, Los Angeles County, California | Non-Accredited | 6,050 | Not published |
| Los Angeles River 6 | Los Angeles, Los Angeles County, California | Non-Accredited | 5,662 | 3.44 miles |
| San Gabriel River 1 | Norwalk, Los Angeles County, California | Provisionally Accredited Levee (PAL) System | 5,322 | 19.8 miles |
| San Gabriel River/Coyote Creek 1 | Long Beach, Los Angeles County, California | Provisionally Accredited Levee (PAL) System | 5,322 | 5.23 miles |
| Ballona Creek 1 | Los Angeles, Los Angeles County, California | Non-Accredited | 5,307 | 2.84 miles |
| Los Angeles River 7 | Los Angeles, Los Angeles County, California | Non-Accredited | 4,359 | 1.03 miles |
| Ballona Creek 2 | Culver City, Los Angeles County, California | Non-Accredited | 3,974 | 0.87 miles |
| Rio Hondo Upper 6 | El Monte, Los Angeles County, California | No Regulatory Flood Hazard Information Published by FEMA | 3,139 | 0.45 miles |
| Los Angeles County Levee 54 | Santa Clarita, Los Angeles County, California | Non-Accredited | 2,614 | 0.89 miles |
| Coyote Creek - Carbon Creek 2 | Cypress, Orange County, California | Provisionally Accredited Levee (PAL) System | 2,513 | 1.48 miles |
| Rio Hondo Upper 2 | El Monte, Los Angeles County, California | No Regulatory Flood Hazard Information Published by FEMA | 2,130 | 0.73 miles |
| Los Angeles County Levee 64 | Los Angeles, Los Angeles County, California | Non-Accredited | 1,978 | 0.75 miles |
| Los Angeles County Levee 101 | Santa Clarita, Los Angeles County, California | Non-Accredited | 1,941 | 0.52 miles |
| San Dimas Wash 6 | San Dimas, Los Angeles County, California | Non-Accredited | 1,839 | 0.42 miles |
| Los Angeles River 5 | Los Angeles, Los Angeles County, California | Non-Accredited | 1,766 | Not published |
| Los Angeles County Levee 45 | Santa Clarita, Los Angeles County, California | Non-Accredited | 1,519 | 0.55 miles |
| Los Angeles County Levee 43 | Santa Clarita, Los Angeles County, California | Non-Accredited | 956 | 0.54 miles |
| Los Angeles River 3 | Los Angeles, Los Angeles County, California | Non-Accredited | 841 | 4.52 miles |
| Rio Hondo Upper 5 | North El Monte, Los Angeles County, California | Non-Accredited | 790 | 0.47 miles |
| San Gabriel River 4 | Avocado Heights, Los Angeles County, California | Non-Accredited | 752 | 1.02 miles |
| Coyote Creek 3 | La Palma, Orange County, California | Provisionally Accredited Levee (PAL) System | 622 | 3.23 miles |
| Los Angeles County Levee 33 East | Santa Clarita, Los Angeles County, California | Non-Accredited | 585 | 0.65 miles |
| Los Angeles County Levee 117 | South Whittier, Los Angeles County, California | Non-Accredited | 584 | 0.20 miles |
| Los Angeles County Levee 72 | Carson, Los Angeles County, California | Provisionally Accredited Levee (PAL) System | 495 | 5.57 miles |
| Ballona Creek 3 | Los Angeles, Los Angeles County, California | Non-Accredited | 471 | 2.25 miles |
| Los Angeles County Levee 122 | Castaic, Los Angeles County, California | Non-Accredited | 437 | 0.42 miles |
| Los Angeles County Levee 4 | Los Angeles, Los Angeles County, California | Non-Accredited | 334 | 0.80 miles |
| Los Angeles County Levee 8 | Vernon, Los Angeles County, California | Non-Accredited | 332 | 0.21 miles |
| Los Angeles County Levee 70 | Santa Fe Springs, Los Angeles County, California | Non-Accredited | 268 | 0.25 miles |
| Los Angeles County Levee 36 | Los Angeles, Los Angeles County, California | Non-Accredited | 265 | 1.25 miles |
| Los Angeles County Levee 66 | Santa Clarita, Los Angeles County, California | Non-Accredited | 263 | 0.20 miles |
| San Gabriel River/San Jose Creek 1 | El Monte, Los Angeles County, California | Non-Accredited | 262 | 2.35 miles |
| Los Angeles County Levee 81 | Compton, Los Angeles County, California | Non-Accredited | 178 | 1.04 miles |
| San Jose Creek 2 | Industry, Los Angeles County, California | Non-Accredited | 159 | 0.43 miles |
| Los Angeles County Levee 70 South | Santa Fe Springs, Los Angeles County, California | Non-Accredited | 157 | 0.17 miles |
| LA County Levee 72c | Carson, Los Angeles County, California | Provisionally Accredited Levee (PAL) System | 129 | 0.60 miles |
| Los Angeles County Levee 33 | Santa Clarita, Los Angeles County, California | Accredited | 122 | 0.54 miles |
| LA County Levee 72b | Carson, Los Angeles County, California | Provisionally Accredited Levee (PAL) System | 108 | 0.68 miles |
| San Jose Creek 3 | Industry, Los Angeles County, California | Non-Accredited | 86 | 0.34 miles |
| LA County Levee 72a | Los Angeles, Los Angeles County, California | Provisionally Accredited Levee (PAL) System | 54 | 2.87 miles |
| Los Angeles County Levee 58 | Los Angeles, Los Angeles County, California | Non-Accredited | 34 | 0.79 miles |
| Los Angeles County Levee 5 | South Whittier, Los Angeles County, California | Non-Accredited | 22 | 0.16 miles |
| Los Angeles County Levee 123 | Pasadena, Los Angeles County, California | Non-Accredited | 15 | 2.37 miles |
| San Dimas Wash 8 | La Verne, Los Angeles County, California | No Regulatory Flood Hazard Information Published by FEMA | 7 | 0.06 miles |
| Los Angeles County Levee 73 | Pasadena, Los Angeles County, California | Non-Accredited | 6 | 2.37 miles |
| San Dimas Wash 7 | San Dimas, Los Angeles County, California | Non-Accredited | 4 | 0.09 miles |
| Los Angeles County Levee 109 | Santa Clarita, Los Angeles County, California | Non-Accredited | 0 | 0.21 miles |
| Los Angeles County Levee 119 | Los Angeles, Los Angeles County, California | Non-Accredited | 0 | 1.27 miles |
| Los Angeles County Levee 124 | Long Beach, Los Angeles County, California | Non-Accredited | 0 | 0.52 miles |
| Los Angeles County Levee 126 | Long Beach, Los Angeles County, California | Non-Accredited | 0 | 0.07 miles |
| Los Angeles County Levee 133 | Lebec, Kern County, California | Non-Accredited | 0 | Not published |
| Los Angeles County Levee 134 | Lebec, Kern County, California | Non-Accredited | 0 | Not published |
| Los Angeles County Levee 135 | Lebec, Kern County, California | Non-Accredited | 0 | Not published |
| Los Angeles County Levee 15 | Los Angeles, Los Angeles County, California | Non-Accredited | 0 | 0.60 miles |
| Los Angeles County Levee 37 | Los Angeles, Los Angeles County, California | Non-Accredited | 0 | 0.28 miles |
| Los Angeles County Levee 57 | Claremont, Los Angeles County, California | Non-Accredited | 0 | 0.18 miles |
| Los Angeles County Levee 76 | Santa Clarita, Los Angeles County, California | Non-Accredited | 0 | 0.36 miles |
| Los Angeles County Levee 91 | Los Angeles, Los Angeles County, California | Non-Accredited | Not published | 1.95 miles |
Source: USACE National Levee Database, refreshed 2026-09-10.