[4] An elevated walkway led back down the pier; a frame dwelling for the head keeper was constructed nearby, with the assistants required to look for lodging elsewhere in the city.

[4] The noise from these whistles brought complaints from city residents, so a parabolic reflector mounted in a sawdust-filled box was installed in a successful effort to direct the sound out towards the lake.

[5] Horns from the Kewaunee Pierhead Light were obtained,[4] and in 1995 the diaphones were put back in service, eliciting, of course, a new round of noise complaints, which led to restriction of the signal to daytime operation.

[2] The South Breakwater Outer Light was listed on the National Register of Historic Places in 2016 for its local significance in the themes of engineering, maritime history, and transportation.

[6] It was nominated for its association with federal efforts to establish nationwide navigational aids, and for being characteristic of early-20th-century harbor breakwater lights built around the Great Lakes.