Public Improvement Criteria Manual

  1. Curve for Determining Storage Coefficient (PDF)
  2. Intensity vs. Time of Concentration vs. Rainfall Frequency
  3. Major La Porte Watersheds (PDF)
  4. PICM Paving Design Criteria (PDF)
  5. PICM Sanitary Sewer Design Criteria (PDF)
  6. PICM Stormwater Design Criteria (PDF)
  7. PICM Water System Design Criteria (PDF)
  8. Time of Concentration for Surface Flow (PDF)