Features attributed to this map refer to the fishing grounds and coastal zone protection and preservation. The river system in the municipality of Pinamalayan flows to the Pula River and drains to Tablas Strait. The categories are described as follows:
- Fishing Grounds – this category refers to the coastal area along Tablas Strait.
- Rivers and streams - easement of about 3, 20, and 40 meters from both sides throughout the entire length of any river is considered to be part of the Non-NIPAS areas. Areas within this range are subject to easement for public use in the interest of recreation, fishing, floatage, etc.