Nebraska Administrative Code
Topic - ENVIRONMENT AND ENERGY
Title 117 - NEBRASKA DEPARTMENT OF ENVIRONMENTAL QUALITY
Chapter 1 - DEFINITION OF TERMS
Section 117-1-029 - Hardness

Current through November 25, 2023

"Hardness" means a characteristic of water which represents the total concentration of polyvalent cations (e.g., calcium, magnesium) expressed as calcium carbonate in mg/l. Hardness may be calculate for most waters by adding together the values obtained from multiplying the concentrations of calcium by 2.497 and magnesium by 4.116 to obtain the equivalent calcium carbonate concentration.

Amended effective 6/24/2019

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