Below please find a collection of websites and webpages that have reports, data and other information related to the water quality and water clarity of the water bodies associated with the Colorado-Big Thompson Project (including Grand Lake). Additionally, these websites and webpages can lead you to find references and links to even more websites with yet more info.
- Grand County – Water Resource Management
- Northern Colorado Water Conservancy District – Water Quality Webpage
- Local Grand Lake Fishery Committee – Save Grand Lake Fish
- Three Lakes Watershed Association – Now combined with Greater Grand Lake Shoreline Association
- Grand County Water Information Network – Reports webpage
- US Geological Survey – Water Data for Colorado webpage
- NWCCOG/Quality & Quantity Committee – the QQ home webpage