Stormwater & Drainage
Stormwater Quality
Report a Problem or
Boxelder Basin Regional Stormwater Improvements
Irrigation Ditches in the County
The Army Corps of Engineers has regulatory authority of waters of the United States under laws that have the purpose to restore and maintain the chemical, physical, and biological integrity of waters through the control of discharges of dredged or filled materials as well as to protect the navigable capacity of our nation’s waters.
The Colorado Water Quality Control Division regulates dredge and fill activities in waters of the state not also subject to federal jurisdiction. As of January 1, 2025, any person seeking authorization to discharge dredged or fill material into state waters that are not subject to federal jurisdiction shall apply for a Temporary Authorization from the division.
The goal of the Watershed Coalition is to bolster the health and integrity of the Big Thompson Watershed for the wild and natural communities that depend on it through engaging watershed residents and completing on-the-ground conservation projects. The Coalition helps private and public landowners collaborate recovery efforts after floods and fires.
The Coalition for the Poudre River Watershed plays a unique role as a community-based watershed group. They convene stakeholders around emerging water and forest issues, share information, coordinate projects and volunteers, educate residents, and promote stewardship of the Cache la Poudre River Watershed for current and future generations.
The District works to maintain and improve water, soil, and wildlife resources by providing technical, educational, and financial resources to support conservation practices and projects. They collaborate with private landowners, residential communities, local, state, and federal government entities, coalitions and local contractors to implement on-the-ground projects.
The Colorado Department of Public Heath and Environment is tasked with protecting and maintaining the health and environment of the citizens of Colorado.
The Colorado Stormwater Center at Colorado State University provides stormwater-related education, training and research with the goal of maintaining and improving the health of lakes, rivers and streams through proper stormwater management.
The Colorado Water Conservation Board's (CWBC) mission is to conserve, develop, protect and manage Colorado's water for present and future generations. The Board represents each major water basin, Denver, and other state agencies in an effort to use water wisely and protect our water for the future.
The Colorado Stormwater Council is an organization of local MS4s, comprised of cities, counties, and special districts throughout the state of Colorado with a mission to effectively protect and improve stormwater quality through collaboration, resource sharing, local partnerships, and focused efforts of special committees.
The Larimer County Department of Health and Environment provides services that support community health and the environmental services. Their environmental health division provides resources and response services for water quality, drinking water, septic systems, and solid and hazardous waste.
The Mile High Flood District partners with metro cities and counties to design and construct flood control and warning measures, open space, regional paths, and remove trash and debris in our streams. You can find their Urban Storm Drainage Criteria Manual on their website.
The National Association of Home Builders is a trade association that helps promote the policies that make housing a national priority.
The Environmental Protection Agency is the prominent agency for protecting the environment from air and water pollution and for protecting the citizens of the United States from the health hazards of pollution.
The US Fish and Wildlife Service (FWS) is the principal US Federal agency tasked with providing information to the public on the status and trends of our Nation's wetlands. The US FWS National Wetlands Inventory is a publicly available resource that provides detailed information on the abundance, characteristics, and distribution of US wetlands.
Attn Stormwater
200 West Oak Street, Suite 3000
P.O. Box 1190
Fort Collins, CO 80522-1190
