Fig. 5: Uncertain and heterogeneous performance of the Status Quo Partnership.

a Map showing the Friant Contractor water providers participating in the Status Quo Partnership, which invests only in canal expansion. Partners are colored by their ownership share in the partnership, while non-partners are colored white. b Parallel coordinate plot showing partnership performance across four conflicting objectives. Each gray line represents the performance of a different optimal tradeoff partnership, aggregated across the 64 sampled 30-year daily hydrologic sequences. The green line represents the aggregated performance of the Compromise Partnership, while the green shaded areas show the probability distribution of single-scenario performances for the Compromise Partnership. Similarly, the orange line and orange shaded areas represent the aggregated and disaggregated performance for the Status Quo Partnership. c Heterogeneity of partner-level performance for the Status Quo Partnership. Each shaded area labeled 1–16 represents the distribution of costs of gains across the 64 scenarios for a different water provider partner. The partners are sorted and colored by ownership share. The distributions labeled “All” represent the partnership-level aggregated costs (black) and the costs for the worst-off partner across alternative scenarios.