The following water qualtiy related plans are available for the Otay River Watershed

Otay Watershed Urban Runoff Management Program (WURMP) - This link takes you to the San Diego Bay WURMP page

The San Diego Bay Watershed is a combination of three individual watersheds: Pueblo, Otay, and Sweetwater.  The Port of San Diego, as the lead jurisdiction, has collaborated with the County of San Diego and the cities of Chula Vista, Coronado, La Mesa, Lemon Grove, Imperial Beach, National City, and San Diego to prepare the WURMP document to comply with the Municipal Stormwater Permit.

Otay River Watershed Management Plan (ORWMP)
The County of San Diego, with partial funding from a Proposition 13 grant is writing a Watershed Management Plan for the Otay River Watershed.  The County is collaborating with the City of Chula Vista, the City of Imperial Beach and the Port of San Diego. 

Otay River Watershed Management Plan - Final (2008)
(52 mb in size)

The Army Corps of Engineers and the County of San Diego are working with other local jurisdictions to create a SAMP for the Otay River Watershed.