| 7/22/14 | 2014 Interlocal Agreement City of Ilwaco – Street Sweeping and Mowing Services
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| 7/22/14 | 2014 Interlocal Agreement WA Public Ports Omnibus Mutual Aid |
| 8/04/14 | 2014 Interlocal Agreement City of Ilwaco – Equipment and Services |
| 9/09/14 | 2014 Interlocal Agreement Port of Chinook – External & Public Affairs Services |
| 1/19/16 | 2016 Interlocal Agreement for Chinook Management Services |
| 3/28/16 | 2016 Interlocal Agreement for Ilwaco Park Renovation Project |
| 1/12/17 | 2017 POI & POC Interlocal Agreement for Marina Dredging Services |
| 2/27/17 | 2017 POI & City of Ilwaco Interlocal Agreement for Law Enforcement Services |
| 9/18/17 | 2017 POI & Port of Astoria Intergovernmental Agreement for Marina Dredging |
| 08/09/18 | Interlocal for Economic Impact Analysis |
| 08/09/18 | Interlocal for Marina Dredging Services |
| 09/17/18 | Interlocal-Multi-Port – Signed by all 18-09-12 |
