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Welcome! To the Barr Lake and Milton Reservoir Watershed Association (BMW).

The BMW watershed is the area of land that drains into Barr Lake and Milton Reservoir.  It starts at Cherry Creek, Chatfield and Bear Creek dams and goes through the Denver Metro area where some of the water in the S. Platte River is diverted to Barr Lake and Milton Reservoir.

Current Water Data

By using data made available through the Barr Milton website, the user agrees to the conditions in the statement below and holds no responsibility to the Barr-Milton Watershed Association for any impacts of using the provided data. The user also understands that this data is “raw” and has not gone through a quality assurance or quality control check process.

The Barr-Milton Watershed Association makes no representations or warranty as to the completeness, accuracy, timeliness, or content of any data made available through this site. The Barr-Milton Watershed Association disclaims all warranties, whether express or implied, including an implies warranties of merchantability, or fitness for a particular purpose.

The data provided from this website is purely for informational use only and it is understood by the user that the information gleaned from this data is used at one’s own risk.

BMW fun facts:

  1. 50% of the state or one in every two Coloradans live in the BMW.
  2. Most of the water that fills Milton and Barr each year comes from the S. Platte River that runs through Denver
  3. More than 35 tons of invasive common carp – that’s 8,600 fish and counting! – have been removed from Barr Lake.

Our mission is to keep the water clean in Barr Lake and Milton Reservoir.  To do that, we’ve begun a campaign to encourage everyone to use Phosphorus Free Lawn Fertilizers.  In our watershed, the soils are naturally high in Phosphorus, so, with only a few exceptions, we don’t need it in our lawn fertilizers.  Excess Phosphorus, running off lawns can cause algal blooms, the green plants that grow in water and, when there’s too many, can make our water unhealthy.  Learn more about what you can do.

Join the coalition to fight the algae monster by clicking here (hyperlink to www.lovecoloradowater.org) to learn what you can do.  Click here to access files and materials about the campaign.

Lawn Fertilizer fun facts:

  1. Lawns are the biggest crop by area in the U.S. at 40 million acres
  2. 40% of our drinking water is used outside of our homes for irrigation
  3. Most of our lawn soils contain enough phosphorus to grow a healthy lawn

Fun phosphorus facts:

  1. 78% of the phosphorus applied to our urban landscape is washed downstream.
  2. One pound of phosphorus can grow as much as 500 pounds of algae.
  3. Aquatic ecosystems require 1,000 times less phosphorus than terrestrial systems.

H2Only_Logo

Click here or on the logo above to access the messaging and marketing materials for the H2Only campaign.

The Barr-Lake and Milton Reservoir Watershed Association (BMW) appreciates your interest in our watershed. Contact us if you have any questions. If you’d like to participate in one of our events or see how we monitor water quality, check our Calendar and check our Outreach page. Thank you again for your interest.