Monthly River Watch Reports

Water Monitoring Updates from the Upper Uncompahgre River Watershed

May 2024 Three new RW sites, SWE: 73% of the basin median and down from 98% in March, very low streamflow period, high rate of release at Ridgway Reservoir

April 2024 RW updates, snowpack, precipitation, streamflow, and a look at SWE, streamflow and metal loads in the upper Uncompahgre watershed

March 14, 2024 River Watch updates and plans for coming month, snowpack, precipitation, and streamflow

January 11, 2024 River Watch updates and information on snowpack, precipitation, and streamflow

November 9, 2023 Snowpack, precipitation, and streamflow; water quality date from the Idarado mining area

October 12, 2023 New River Watch volunteers, presentations, partnerships, etc.; Canyon Creek, Red Mountain creek, and irregularities in pH measurements

September 14, 2023 River Watch volunteer activity July-Sept., streamflow report, and summary of 2022 Water Quality Assessment Report

July 13, 2023 River Watch summer sampling begins in Blue Lakes area, volunteers educate festivalgoers at RiverFest, precipitation, streamflow, and reservoir storage updates

June 8, 2023 River Watch volunteer activities; precipitation, streamflow, and reservoir storage; and new River Watch sites

May 11, 2023 River Watch activities and precipitation, streamflow and storage in the Gunnison Basin, Ridgway area, and Ridgway Reservoir

April 13, 2023 New River Watch data tool, big April 6 Reservoir release, 2023 – one of the larger snowpacks of the past 22 years and related discharge forecasting

March 9, 2023 Snowpacks continued to increase through February; Uncompahgre streamflow measurements indicated flows during February tracked closely with long-term median flows; Ridgway Reservoir storage at 83% capacity.

February 9, 2023 Snowpacks continued to increase through January; Ridgway Reservoir and Uncompahgre River levels; Water Quality Data from the 2022 303(d) assessment for Uncompahgre River segment from point above confluence with Dexter Creek to point below confluence with Dallas Creek

January 12, 2023 Sampling update; Precipitation, streamflow and reservoir storage; Red Mountain Creek sites from 2019 to 2021

December 8, 2022 Sampling report; precipitation, streamflow and reservoir storage; Box and Whisker plots of total hardness data for the 11 UWP River Watch sites collected between 2019 and 2021

November 10, 2022 Macroinvertebrate sampling; streamflows, precipitation and reservoir storage for October; 2022 Water Quality Control Commission 303(d) List of Impaired Stream Segments 

October 13, 2022 Precipitation, streamflow and reservoir storage during the Southwest Monsoon continued, water quality data for Gray Copper Gulch

September 8, 2022 Precipitation, streamflow and reservoir storage during the Southwest Monsoon, Metals data from TMDL sites monitored by UWP River Watch: 

August 11, 2022 Blue Lake samples, summer streamflows on Uncompahgre River, Dallas Creek and Cow Creek, Uncompahgre segment standards and metals information

(no report in July 2022)

June 16, 2022 summer sites, Plasma Mass Spectrometer, streamflows, and standards attainment

May 12, 2022 RW director site visit, streamflows, snow water totals, timing of high metal concentrations, school field trip presentation

April 14, 2022 nutrient data examples from 2020-2021

March 10, 2022 streamflow, snowpack and the EPA’s How’s My Waterway

February 10, 2022 streamflow and snowpack

January 13, 2022 streamflow and snowfall trends and analysis of water quality in Ridgway Reservoir

December 8, 2021 sampling activities, streamflows, snowfall trend, and preliminary E. Coli data from Blue Lakes study

November 11, 2021 sampling activities, streamflows, metal concentrations in fish tissue at Ridgway Reservoir, and preliminary TMDL data (July-Oct 2021)

September 9, 2021 sampling activity, RiverFest demonstrations, and streamflows

August 12, 2021 new site information, streamflow stats and progress in TMDL data collection

July 8, 2021 Volunteer activities, streamflow stats plus comparison of total alkalinity and hardness in Imogene Creek

June 10, 2021 Volunteer activities plus streamflow stats

May 13, 2021 Stats plus Sneffels, Imogene, and Canyon Creek hardness data

April 8, 2021 Stats plus Imogene Creek sampling history

March 11, 2021 Stats plus Uncompahgre segments that lack sufficient data for a TMDL study

February 11, 2021 Stats plus cadmium concentrations from Lake Como to the confluence of the Uncompahgre with Red Mountain Creek

Older reports available by request to