All the villages, towns, cities and several special districts in Arapahoe County, as well as the County itself, are responsible State Permit holders for implementing controls to limit nutrient loads, or 'pollutants' that make their way to our drainageways, or "waters of the State". These local governments have banded together to create a cooperative group called SPLASH, or...
Stormwater Permitteesfor Local Awareness of Stream Health.
Southeast Metro Stormwater Authority (SEMSWA) including Centennial, Inverness WSD, and East Cherry Creek Valley WSD.Arapahoe County.Littleton.Glendale.Greenwood Village.Cherry Hills Village.Columbine Valley.Arapahoe County Water and Wastewater Authority (ACWWA).E-470 Authority.Goldsmith Metro District.Colorado Department of Transportation