This region contains the subwatersheds of Stony Creek, Crooked Creek, and Mud Creek (a subwatershed of Fall Creek). It includes the communities of Carmel, Noblesville, Fishers, Westfield, and the northern part of Indianapolis. According to the 2020 US Census Bureau, this region had a total population of 427,437. Among the residents, 72% identify as White, 12% as Black, 7% as Hispanic, and 29% as a person of color.
Notable employers include Community Health Network, Ascension St Vincent Hospitals, Roche Diagnostics, Conseco Life Insurance, CNO Financial Group, and New Era Technology.
Significant water usage in the region is primarily associated with public water supply systems such as Citizens Energy Group, Carmel Municipal Water, and Indiana-American Water Company. Additionally, industries like Martin Marietta Materials contribute to significant water consumption in the region. Stream assessments in the region indicate that 52% of evaluated waterways do not meet State water quality standards.
In terms of land use, open water constitutes 1.7% of the region’s land area. Developed land covers a significant portion at 52.3%, reflecting the urbanization and infrastructure in the region. Natural land (forest, wetlands, shrubland) comprises 6.9%, and approximately 39.1% of the land is utilized for agricultural purposes.