Criminal Negligence Prosecutions Under the Federal Clean Water Act: A Statistical Analysis and an Evaluation of the Impact of -- Hanousek and Hong -- A Statistical History of Negligence-Based Prosecutions Under the CWA -- Table 1/Graph 1 -- Table 2/Graph 2 -- Table 3/Graph 3 -- Table 4/Graph 4 -- Table 5 -- Table 6 -- Graph 5 -- Charging Patterns -- Factual Analysis of Hanousek and Hong -- The DOJ's Position on the Legal Standard for Negligent Violations of the CWA -- Agency Policies on Investigative Discretion -- Norms Underlying the Traditional Exercise of Prosecutorial Discretion -- Conclusion.