Table 1. Access mechanisms.      Mechanisms Water resource-related examples Technology Ability to construct water supply and distribution systems Capital Financial assets to construct supply and distribution systems Authority Federal law and doctrines (ESA, CWA, reserved rights, prior appropriation), government actors, water districts and agencies Markets Water sales Identity Tribe, watershed, county, work (fisherman, farmer) Knowledge Scientific and legal expertise, traditional ecological knowledge Networks Lobbying in Sacramento and Washington, D.C., community groups, issue groups