Maine Center for Disease Control & Prevention An Office of the Maine Department of Health and Human Services

Data Updates

The Maine Tracking Network is ever-evolving. This page highlights the data portal topics we updated in 2019.

  • Annual update refers to a scheduled update that may include new years of data, new measures (e.g., hospitalizations, emergency department visits), new display types (e.g., near real-time, trend-charts), or even new data portal topics.

  • Erratum refers to an identified data discrepancy. For an explanation of what took place and if changes in procedures were needed and added, please refer to the Details column.

Please email us at or fill out the Contact Us form with any questions or comments.

Date Data Portal Topic

Type of Update

05/07/2019 Tickborne Diseases Annual Update 2018 incidence data for anaplasmosis, babesiosis, and Lyme disease. 2016 Lyme disease prevalence data.
05/07/2019 Heat Illness Annual Update 2012-2017 emergency department and hospitalization data and 2014 data about homes with air conditioning.
02/10/2019 Private Well Water Erratum The table display for county-level water quality data with Column Options "Multiple Analytes" was updated incorrectly in June 2018. Data values were doubled due to a one-time database conversion issue. The error did not affect any other tables, charts, or maps displays, and all other data are correct. This error was identified on February 10, 2019, and resolved immediately.
01/11/2019 Childhood Lead Poisoning Annual Update 2017 lead poisoning, lead screening, poverty, and pre-1950 housing data.