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Brewing Beer at Home

The mineral content of water is a significant factor in brewing. Denver Water routinely tests for several mineral components in our treated water from each of Denver’s watershed sources.

Most brewers find Denver’s water is well-suited for home-brewing operations.

  Concentration (mg/L)
Component South Platte treated water Moffat treated water Desirable levels *
Total alkalinity (as CaCO3) 30-86 30-55 25-300
Sodium (Na) 15-35 4-12 10-150
Chloride (Cl) 12-40 4-10 Less than 150
Sulfate (SO4 ) 47-78 17-25 10-70
Calcium (Ca) 21-35 9-25 50-150
Magnesium (Mg) 5-12 2-4 10-30

*Smith, B. (2008, Aug 24), Brewing Water — Hard or Soft? Beersmith.com. Retrieved Jan. 16, 2014 from www.beersmith.com