Update October 2025: I worked for many months with Anthony & Sylvan to come to an amicable solution to the issues related to my pool and the response to those issues. In the end: 1. They found more is

UPDATE: After all of the issues we experienced and after we thought we were done with this nightmare of a project we were contacted by the county permitting office in May 2024 asking for the backflow

Do not hire this company. They are terrible to work with and they do an awful job. They built us a pool in triple the time they said they would and it doesn't function properly. Stay away!!