Levees / By county / San Luis Obispo County, CA
Levee systems in San Luis Obispo County, CA
15 systems on the federal register here, with 47,840 people recorded behind the 14 that publish a figure.
| System | Location | Accreditation | People | Length |
|---|---|---|---|---|
| Santa Maria River 3 | Santa Maria, Santa Barbara County, California | Non-Accredited | 46,489 | 8.38 miles |
| San Luis Obispo County Levee 13 | Oceano, San Luis Obispo County, California | Non-Accredited | 1,076 | 2.74 miles |
| Santa Maria River 2 | Nipomo, Santa Barbara County, California | Non-Accredited | 113 | 6.89 miles |
| Santa Maria River 1 | Nipomo, Santa Barbara County, California | Non-Accredited | 72 | 4.80 miles |
| San Luis Obispo County Levee 1 | Oceano, San Luis Obispo County, California | Non-Accredited | 44 | 1.72 miles |
| San Luis Obispo County Levee 3 | Templeton, San Luis Obispo County, California | Non-Accredited | 39 | 0.48 miles |
| San Luis Obispo County Levee 7 | Morro Bay, San Luis Obispo County, California | Non-Accredited | 6 | 0.27 miles |
| San Luis Obispo County Levee 12 | Morro Bay, San Luis Obispo County, California | Non-Accredited | 1 | 0.75 miles |
| San Luis Obispo County Levee 10 | Oceano, San Luis Obispo County, California | Non-Accredited | 0 | 0.57 miles |
| San Luis Obispo County Levee 11 | Oceano, San Luis Obispo County, California | Non-Accredited | 0 | 0.99 miles |
| San Luis Obispo County Levee 19 | Avila Beach, San Luis Obispo County, California | Non-Accredited | 0 | 0.42 miles |
| San Luis Obispo County Levee 20 | Garden Farms, San Luis Obispo County, California | Non-Accredited | 0 | 0.64 miles |
| San Luis Obispo County Levee 21 | Atascadero, San Luis Obispo County, California | Non-Accredited | 0 | 0.48 miles |
| San Luis Obispo County Levee 8 | Morro Bay, San Luis Obispo County, California | Non-Accredited | 0 | 0.35 miles |
| San Luis Obispo County Levee 25 | Morro Bay, San Luis Obispo County, California | Non-Accredited | Not published | 0.73 miles |
Source: USACE National Levee Database, refreshed 2026-09-10.