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Aurora Water fact sheets, reports and storage data

Aurora Water Reservoir Summary – Jan. 11, 2026
Storage
Active Capacity (a.f.)
Current Content (a.f.)
 % full
Aurora Reservoir
 31,064

30,306

98%

Quincy Reservoir

2,693

2,556

95%

Jefferson Lake

2,313

560

24%

Aurora Rampart Reservoir

1,238 

1,095

88%

Spinney Mountain Reservoir

53,651

22,614

42%

Shared Storage*

65,452

36,573

56%

 Total

156,411

93,704

60%
   
 * Aurora is in many reservoirs across Colorado. Since we move our water to meet many needs, this number represents Aurora’s water in these other reservoirs at this time. All numbers in this report should be considered to be an estimate or projection. Included in shared storage is Aurora's share in Homestake Reservoir, Turquoise Lake, Twin Lakes Reservoir, Pueblo Reservoir, Strontia Springs Reservoir and Lakes Meredith and Henry
In addition to the existing reservoirs above, Aurora Water is proposing to build a new off-channel reservoir — the Wild Horse Reservoir Project — west of Spinney Mountain Reservoir near Hartsel, Colorado, in Park County. This project is currently in the planning and permitting phase. Sign up for Wild Horse Reservoir Project updates. 

Document accessibility

Please know that while the city is working to make all information accessible, some information such as Excel files, plat maps, site plans for development projects, architectural plans, scanned handwritten documents and other highly visual materials provided by third parties outside of the city may not be accessible. If someone needs this material in an alternative format to fully access the information, please contact us at our webform or email us at [email protected] and let us know how best to assist you.

Reports
Water Management Plan
2015 Municipal Water Efficiency Plan
Xeriscape Demonstration Garden Master Plan
2023 Water Quality Report

Guiding Policies from City Council
Water Department Policies - June 2016

Publications on Household Chemical Use

As residents of Aurora, we bear responsibility to dispose of household waste properly in order to protect and preserve our quality of life.

Aurora Water offers the “Clean Choice for Clean Water” series of publications to help you learn more about protecting our water from pollution.

For more information on protecting your sewer line, including the Homeowner's Guide to Sewer Lines, click here. 

Preventing Stormwater Pollution from Construction Sites

Prevención de la contaminación de las aguas pluviales en los sitios de construcción

Preventing Stormwater Pollution from Household Waste
Prevención de la contaminación de las aguas pluviales por residuos domésticos 

Preventing Stormwater Pollution from Industrial Activities
Prevención de la contaminación por aguas pluvialesprocedentesde zonas industriales

Preventing Stormwater Pollution from Landscaping 
Prevención de la contaminaciónde las aguas pluvialescausada por eldiseño de jardine




 



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