This research brief reports on two years of water quality monitoring data, focusing on nitrate and phosphorus levels in the Pajaro River and Elkhorn Slough watersheds. The project was developed in collaboration with growers, government agencies, NGOs, and others working on water quality protection efforts in California's central coast region. The project's goal is to provide data to growers, reserachers, and policymakers on the impcts of various land use activities on sensitive waterways that affect the Monterey Bay.