San Dieguito Watershed
The San Dieguito River watershed is a drainage area of approximately 346 square miles in west-central San Diego County. The watershed includes portions of the cities of Del Mar, Escondido, Poway, San Diego, and Solana Beach, and unincorporated San Diego County. In terms of land area, the majority of the watershed (79.8%) is within the unincorporated jurisdiction.
The San Dieguito River watershed is presently divided into vacant/ undeveloped (54%), parks/ open space (29 %), and urban (18%) land uses. Nearly half of the vacant land area is open to future development, most of which is zoned for residential usage. The current watershed population is approximately 125,000 however; this level is projected increase to over 210,000 residents by 2015.
The watershed extends through a diverse array of habitats from its eastern headwaters in the Volcan Mountains to the outlet at the San Dieguito Lagoon and the Pacific Ocean. There are several important natural areas within the watershed that sustain a number of threatened and endangered species. Among these are the 55-mile long, 80,000 acre San Dieguito River Park, the 150 acre San Dieguito Lagoon, and five water storage reservoirs including Lake Hodges, Lake Sutherland, and Lake Poway.
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| Hydrologic Areas: |
Solana Beach, Hodges, San Pasqual, Santa Maria Valley, Santa Ysabel
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| Major Water Bodies: |
San Dieguito River, San Dieguito Lagoon, and Lake Hodges
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If you would like to select one of these major water bodies as your collection site, follow these instructions to get the information you will need for the registration form:
- Go to iTouchMap.com.
- If possible, enter the zip code of the area where you are collecting your sample in the "Address" field at the top of the page. If you don't know the zip code, enter the name of the watershed or city and state. Then, click the "Go" button. The comic book bubble will show the latitude and longitude on the map on that same page.
- The first number is the latitude. The second is the longitude. These are the numbers you'll need to enter into the Collection Site Information section of the registration form.
If you need assistance in selecting a collection site, please contact us. We'll be happy to help you find a site that's as close to your group' or school's location as possible.
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