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Tip #158

Seal air leaks by checking windows, doors, foundations and exterior walls.

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Fort Collins Utilities is an equal opportunity residential and commercial utility service provider. We do not discriminate in the terms, conditions or provision of services based on race, color, religion, sex, disability, familial status or national origin.


Fort Collins Utilities es una empresa proveedora de servicios públicos residenciales y comerciales con igualdad de oportunidad. No discriminamos en los términos, las condiciones o la provisión de servicios en base a raza, color, religión, sexo, discapacidad, estatus familiar o nacionalidad de origen.

Horsetooth Reservoir


  • Sampling on Horsetooth Reservoir

  • Monitoring on the Hansen Feeder Canal

Fort Collins Utilities Horsetooth Reservoir Water Quality Monitoring Program (PDF 4MB) includes the collection of water samples by boat at four locations seven to 12 times per year. We also monitor water quality in the Hansen Feeder Canal just upstream of where the canal enters Horsetooth Reservoir. The City of Greeley and the Tri-Districts cooperate in this monitoring program by providing staff to assist with field sampling.

Parameters (PDF 50KB) for reservoir monitoring include collection of depth profiles for water temperature, pH, dissolved oxygen and specific conductance, and the collection of discrete and depth composited grab samples.

The grab samples are analyzed by the Water Quality Lab. Utilities staff evaluate and assess the data, prepare reports and manage the program.

The routine hydrologic and water quality data are assessed and summarized in reports on an annual basis. Annual reports also summarize the significant events, regulatory issues, other issues of concern and special studies related to Horsetooth Reservoir. Annual reports are available for 2009 (PDF 5.7MB), 2010 (PDF 3.1MB) and 2013 (PDF 4.4MB).