A percolation (perc) test is required before any septic permit in Huntsville, Athens, Decatur, or Cullman. Here’s what influences the cost: Factor Impact on Price Conventional OSS Evaluation $–$$ Engineered System (rock, slope, small lot) $$$+ Backhoe vs. Hand Auger Backhoe = higher Travel Distance Harvest or Hazel Green = slightly more Real Estate Due...



