Del Norte County application map
Every published application. Solid outlines are identified properties; dashed squares are the one-square-mile section a use report names, shown until the property is identified. Red means a restricted or on the DPR Water Protection List chemical. Click any outline for a summary and a link to the full record.
What the colours mean
A pesticide subject to California restricted-material requirements, supported by a county permit or another official source.
Classified by the U.S. EPA for use by, or under the direct supervision of, a certified applicator.
On DPR’s official Groundwater Protection List, 3 CCR section 6800, effective July 1, 2026. DPR identifies these chemicals as having the potential to pollute groundwater. This current listing is shown alongside historical application records.
View the DPR sourceA sourced finding about soil mobility, aquatic toxicity, runoff or persistence.
A product label’s DANGER or WARNING signal word, protective equipment requirement, buffer or aquatic-use restriction.
Applied from a helicopter or aircraft. This describes the application method.
A groundwater listing is separate from restricted-material status and does not establish contamination or a violation at a particular site. An application with no flags has no recorded flag; that does not establish that it is harmless.
Outlines are properties or reported sections, not measurements of the area treated. Use the Layers button for satellite, streets or topographic maps, streams and land ownership. Choose Streets (OpenStreetMap) for a street map, or turn on Roads (USGS) to show roads over satellite imagery.