Seattle? The home of Amazon? Why on earth don't they just move their datacenter to Amazon Web Services? They could probably do it for less than the $2.1 million they're spending on this single part!
Migrating huge amounts of data and services is very expensive, and especially difficult to do in years when the tax revenue is down. Government is also typically more conservative with new technologies and processes than the private sector., and apprehensive about outsourcing when proper stewardship of citizens' data is their #1 priority.