Ordinary High Water Mark

{
  "id": "MLC-T-ENV-019756",
  "term": "Ordinary High Water Mark",
  "field": "Environment",
  "definition": "1. Line on the shore established by the fluctuations of water and indicated by physical characteristics such as a clear, natural line impressed on the bank, shelving, changes in the character of soil, destruction of terrestrial vegetation, the presence of litter and debris, or other appropriate means that consider the characteristics of the surrounding areas. [40 CFR 401.11 (CFR 2017)][40 CFR 230.3 (CFR 2016)].[40 CFR 232.2 (CFR 2016)]\n\n2. An elevation that marks the boundary of a lake, marsh, or streambed. It is the highest level at which the water has remained long enough to leave its mark on the landscape. Typically, it is the point where the natural vegetation changes from predominantly aquatic to predominantly terrestrial.\n\n3. A line on the shore established by the fluctuations of water and indicated by physical characteristics, or by other appropriate means that consider the characteristics of the surrounding areas.",
  "subject": "Water",
  "references": [
    "40 CFR 300.5 (CFR 2018)",
    "NPS Forestry Glossary; Nonpoint Pollution Source from Forestry Glossary",
    "Aquatic Resources Awareness Course for Real Estate Appraisers Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/ordinary-high-water-mark/"
}