| Memorial Day - County Closed | 05/26/2014 8:00 AM | |
| Memorial Day – CLOSED | 05/29/2017 | |
| Memorial Day - CLOSED | 05/28/2018 | |
| Memorial Day - CLOSED | 05/25/2020 | |
| Memorial Day - CLOSED | 05/31/2021 | |
| Memorial Day - CLOSED | 05/27/2019 | |
| Memorial Day - CLOSED | 05/30/2022 | |
| MEMORIAL DAY - CLOSED | 05/30/2016 | |
| MEMORIAL DAY - CLOSED | 05/27/2024 | |
| MEMORIAL DAY - CLOSED | 05/29/2023 | |
| MEMORIAL DAY - CLOSED | 05/26/2025 | |
| Meeting Notice - McHenry County Solid Waste Advisory Committee | 07/22/2015 1:30 PM - 3:00 PM | |
| Meeting CANCELLED - McHenry County Tuberculosis Care & Treatment Board | 07/21/2015 9:00 AM - 10:00 AM | |
| Medical Reserve Corps 20th Anniversary Celebration | 09/12/2023 5:30 PM - 7:30 PM | |
| MCHENRY COUNTY TUBERCULOSIS BOARD MEETING | 11/15/2016 8:00 AM | |
| McHenry County TB Board Meeting | 01/19/2016 11:00 AM | |
| McHenry County State of Addiction & Celebration of Choice Leader Awards | 02/28/2022 3:30 PM - 5:00 PM | |
| McHenry County Residential Electronics & Recycling Event | 05/18/2013 8:00 AM - 1:00 PM | |
| McHenry County Department of Health TB Board Meeting | 11/17/2015 9:00 AM - 11:00 AM | |
| McHenry County Department of Health Solid Waste Advisory Committee | 01/27/2016 1:30 PM | |
