Canyon del Rey Watershed

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Location

The Canyon del Rey Watershed is located entirely in Monterey County within the Central Coast of California. The watershed is approximately 16.8 square miles and contains portions of the cities of Monterey, Del Rey Oaks, and Seaside[1]. The Canyon del Rey Watershed drains into Arroyo Del Rey a perennial stream that begins in the eastern portion of the Canyon del Rey watershed near Laguna Seca Race Track, and flows west terminating into the Monterey Bay.

Canyon del Rey Watershed. The black outline represents the Canyon del Rey Watershed. Map provided by:Frog Pond Wetland Preserve Enhancement and Erosion Control Plan.

Watershed Components

Subbasins

South Boundary

The northern portion of the Canyon del Rey Watershed known as the South Boundary Sub-basin contains a large amount of sandy soils that offers little runoff into Arroyo del Rey. The underlying geology consists of Aromas Sandstone and Pasa Robles Formation . The South Boundary Tributary is an ephemeral stream located in the northern portion of the Canyon del Rey Watershed which confluences with Arroyo del Rey near Frog Pond Wetland Preserve. The southern portion of the Canyon del Rey Watershed

Arroyo del Rey (Canyon del Rey Creek)

Arroyo del Rey is the main creek of the Canyon del Rey Watershed. Arroyo del Rey has also been called Canyon del Rey creek in local studies conducted by MPMWD. The name Arroyo del Rey is often used by the USGS and city of Del Rey Oaks. The creek begins in the east along Highway 68 near the Laguna Seca Race Track. It flows westerly next to Highway 68 until it reaches the Ryan Ranch Business Park in Monterey[1]. The creek then follows Highway 218 into the city of Del Rey Oaks. Arroyo del Rey runs through recreational areas including Frog Pond Wetland Preserve and Del Rey Oaks Park, then going through the community of Seaside where it creates both Laguna Grande in Laguna Grande Regional Park, and Roberts Lake [2]. The outlet of Arroyo del Rey is located within Monterey State Beach.

Lakes and Preserves

Canyon del Rey Watershed Joint Powers Authority

The Canyon del Rey Watershed Joints Power Authority was created in 1980 [3]

Purpose

To sustain and improve the water quality of Laguna Grande and Roberts Lake, by coordinating future development and maintance of the Canyon del Rey Watershed [3].

Public Agencies Involved in the Canyon del Rey Watershed JPA

Responsibilities of Agencies

  • Create laws and best management strategies that help reduce the amount of surface runoff and erosion into the Canyon del Rey Watershed
  • Find outside funding to lower local expenditures for improvements.
  • Broker the distribution of cost for various restoration projects. [3]

Monitoring Sites

Flow Gages

California Central Coast Gage Locationspage has more information on these gages.

Precipitation Gages

  • (Active) Laguna Seca Gage (Recorded at Hourly Intervals) managed by CIMIS
  • (Active) KCAMONTE 21 (Recorded at 15 min Intervals) managed by Weather Underground
  • (Active) KCAMONTE 67 (Recorded at 15 min Intervals) managed by Weather Underground

Links

References

  1. 1.0 1.1 Canyon del Rey Master Plan Draft- 2014
  2. Sustainable Del Rey Oaks
  3. 3.0 3.1 3.2 Canyon del Rey Joint Powers Authority Agreement. 1980

Disclaimer

This page may contain students's work completed as part of assigned coursework. It may not be accurate. It does not necessarily reflect the opinion or policy of CSUMB, its staff, or students.