Drinking water regulation violations aggregated to the county/Tribe level in the Great Lakes Basin

This item has been deprecated by GLC and has a recommended replacement. View replacement This dataset on drinking water regulation violations in the Great Lakes basin is one of the sources for Blue Accounting's US Drinking Water Regulation Violations dashboard. Visit Blue Accounting's page here for more context about our work to track the percentage of water supplies in the Great Lakes basin that meet treatment requirements as water leaves the treatment plant. HB: Denotes health-based drinking water violations AHB: Denotes acute health-based drinking water violations M_R: Denotes monitoring and reporting drinking water violations PN_O: Denotes public notification and 'other' drinking water violations Violation types are described on Blue Accounting's metric page as well as in the dashboard here. n_sys: Number of community water systems (CWS) in the county/Tribe, or the number that received the specified type of violation, in a given year pop: Population served by a CWS in the county/Tribe, or the subset of that population affected by the specified type of violation, in a given year n_viol: Number of individual violations by community water systems in the county/Tribe, or the number of the specified type of violation, in a given year Tribal: Flag indicating whether the aggregation unit is a Tribe. 'Y' indicates a Tribe, 'N' indicates a county.