Was installed after streetview. Photo credit to the facebook page in the below screenshot. The person that runs the page is photodocumenting every town in Kansas, and its worth noting that most towns he visits has a candid siren shot, which may be of help for your mapping.
Screenshot_20230413_212102_Facebook.jpg (361.18 KiB) Viewed 14153 times
I spotted a freshly installed 2001-230 in Beloit on the east side of town near Main St/Hwy 24, about a block west of Casey's, I didnt see it on earth/sv. I did also spot a Model 2 in Manhattan on the north side of town. (Edit found it, 5116 Tuttle Creek BLVD) Both towns in Kansas.