Series: Water Resources Monitoring in the Lamar River near Tower Ranger Station, Wyoming

The Greater Yellowstone Network monitors water quality and analyzes river discharge in the Lamar River between April and November each year. Water quality is high in the Lamar River; about three quarters of its watershed is contained within Yellowstone National Park. Discharge records for the Lamar River go back to 1923. Our monitoring results are presented here and will be updated each year as new information is collected.