Crystal Lake City Council approves final site plan for Mercyhealth hospital Apr 5, 2018 | HNI Stories, Hospitals, Top Stories The Crystal Lake City Council unanimously approved the final site plan this week for Mercyhealth's proposed 13-bed hospital.To access this content, you must purchase 1 Year Health News Illinois Subscription or 1 Year Group Subscription - Up to 5 Users, or log in if you are a member.