• We Energies submitted an Interim Spill Report on December 14, 2011
• We Energies and EPA conducted a shoreline impact study in December, 2011 that determined no further action was needed on downstream shorelines; We Energies submitted a shoreline assessment report on January 18, 2012
• We Energies submitted a report detailing results of sediment and water sampling on January 27, 2012
• Unified Command held its final meeting and disbanded on February 3, 2012
• WDNR initiated enforcement against We Energies in March, 2012
• We Energies submitted the permanent bluff restoration plan to WDNR on June 29, 2012
• We Energies obtained required permits and approvals for restoration work through the summer and fall of 2012 and conducted restoration work
• UWM conducted hydrodynamic modelling for the coal ash release to confirm that the sampling conducted to date was in the appropriate locations; UWM's report was completed in September, 2012
• We Energies submitted the Final Spill Report on November 19, 2012
• We Energies submitted answers to EPA OSC questions regarding Final Spill Report on November 28, 2012

2.2.1. Enforcement Activities, Identity of Potentially Responsible Parties (PRPs)

WE Energies has taken responsibility for this incident.  USCG issued Notices of Federal Interest to WE Energies (as the facility/property owner), URS (as an operator), and Metropolitan Environmental (as an operator).  WDNR initiated formal enforcement against We Energies for this incident in March, 2012.

2.1.3 Progress Metrics

* The above accounting of expenditures is an estimate based on figures known to the OSC at the time this report was written. The OSC does not necessarily receive specific figures on final payments made to any contractor(s). Other financial data which the OSC must rely upon may not be entirely up-to-date. The cost accounting provided in this report does not necessarily represent an exact monetary figure which the government may include in any claim for cost recovery.