San Juan Watershed
From SDCK Watershed Wiki
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The San Juan Watershed covers 496 square miles in San Diego, Orange, and Riverside counties. Approximately 150 square miles (30%) of this area is located in northwest San Diego County, almost entirely within the Camp Pendleton Marine Corps Base.
Hydrologic Areas
901.1 Laguna 901.11 San Joaquin 901.12 Laguna Beach 901.13 Aliso 901.14 Dana Point 901.2 Mission Viejo 901.21 Oso 901.22 Upper Trabuco 901.23 Middle Trabuco 901.24 Gobernadora 901.25 Upper San Juan 901.26 Middle San Juan 901.27 Lower San Juan 901.28 Ortega 901.3 San Clemente 901.31 Prima Deshecha 901.32 Segunda Deshecha 901.4 San Mateo Canyon 901.5 San Onofre 901.51 San Onofre Valley 901.52 Las Pulgas 901.53 Stuart
Major Water Bodies
(i)Aliso Creek (ii)San Juan Creek (iii)Dana Point Harbor (iv)San Mateo Creek (v)San Onofre Creek (vi)Las Flores Creek
Impaired Water Bodies
CWA 303(d) List :
| Waterbody | Pollutant/Stressor |
|---|---|
| Aliso Creek | Indicator bacteria, Phosphorus, Toxicity |
| Aliso Creek(mouth) | Indicator bacteria |
| Dana Point Harbor | Indicator bacteria (At Baby Beach) |
| English Canyon | Benzo[b]fluranthene, Dieldrin, Sediment Toxicity |
| Laguna Canyon Channel | Sediment Toxicity |
| Oso Creek(at Mission Viejo Golf Course) | Chloride, Sulfates, Total Dissolved Solids |
| San Juan Creek | DDE, Indicator Bacteria |
| San Juan Creek (Mouth) | DDE, Indicator Bacteria |
| Prima Deshecha Creek | Phosphorus, Turbidity |
| Segunda Deshecha Creek | Phosphorus, Turbidity |
| Pacific Ocean Shoreline, Aliso HSA | Indicator Bacteria |
| Pacific Ocean Shoreline, Dana Point HSA | Indicator Bacteria |
| Pacific Ocean Shoreline, Laguna Beach HSA | Indicator Bacteria |
| Pacific Ocean Shoreline, Lower San Juan HSA | Indicator Bacteria |
| Pacific Ocean Shoreline, San Clemente HA | Indicator Bacteria |
| Pacific Ocean Shoreline, San Joaquin Hills HSA | Indicator Bacteria |
Coastkeeper Monitoring Sites
San Diego Coastkeeper currently does not conduct monthly water quality monitoring in the San Juan watershed since a major portion of the watershed is a Military base.
Watershed captains
-None Currently-
