Illegal Use & Production

Marijuana refers to the leaves and flowering buds of the hemp plant. Marijuana is the most commonly used illegal drug in Napa County. The production of marijuana within Napa County rivals that of the grape crop averaging between $250 and $300 million dollars. Much of the illicit crop grown in Napa County is grown on private lands due to the accessible water source. Those who grow marijuana on private lands subject the property owner to the damages to their property which includes:

  • Soil Erosion
  • Stream Deviation
  • Use of Herbicides and Fertilizers (Common Environmental Hazards Found at Grow Sites)
  • Water Depletion
  • Watershed Damage

THC & Potency

Marijuana contains a chemical called Tetrhydrocannabino or THC. It is the THC which provides the pleasurable effects of smoking marijuana. Marijuana varies significantly in its potency depending on the source and selection of plant materials. The form of marijuana known as sinsemilla, or “bud,” derives from the unpollinated female cannabis plant and is preferred for its high THC content.

Short-Term & Long-Term Effects

The short-term effects of marijuana use include:

  • Blood Shot Eyes
  • Dry Mouth and Increased Appetite
  • Impaired Attention
  • Impaired Coordination and Balance
  • Impaired Short-Term Memory
  • Increased Heart Rate
  • Judgment

Long term use can lead to:

  • Addiction
  • Anxiety
  • Impaired Learning Skills
  • Long-Term Memory Difficulties
  • Paranoia

Medical complications include an increased risk of chronic cough, bronchitis, and emphysema.

Law Enforcement Reviews

Napa County law enforcement recognizes and complies with the provisions of Prop 215 and is guided by legal opinions of the California Attorney General and court decisions. Marijuana possession and cultivation cases are reviewed by the Napa County District Attorney on a one on one basis.