that site requires flash, which I'm not going to install.
here's some data about Macomb County.
There's also the Michigan Open Data Portal, however you're going to have to pull Macomb County's data out of each dataset:
To answer question in comments about FOIA'ing for it, I seriously doubt they'll care, after coming across this:
You can view more info about each set here:
You can also tinker around with the API, I've had some success with this approach, but few and far between. I snagged the .kmz file from here, but they have networked links so they don't work if you download them. This seems like something that is an easy fix, but I've yet to figure it out or find a solution.
You can use the individual dataset pages to view detailed information about the data being rendered, which can then be copied. I've had mixed results with this, but even the wins were manual-labor intense and hair-pulling maddening. I tinkered with one for you, only realizing after the fact they do not include lat/lon:
Last Chance Resort: I noticed in the portal that they have an older Flexviewer setup...no clue if this is doable, but perhaps you can rip through that files source code and look for the data or urls or paths to things that you seek.