Hydraulic Load Testing from John Kline Septic Services

A hydraulic load test requires two days to complete. On Day 1, the technician measures and records the water level in the absorption area and then begins adding clean water. Water is added until the absorption area reaches its maximum capacity or the full specified daily volume is introduced. The technician then measures and records the water level in the absorption area again.

On Day 2, after the system has had 24 hours to absorb the water introduced on Day 1, the technician returns and measures the water level in the absorption area. In order to determine how much water was absorbed during the previous 24 hours, the technician again adds clean water to the system until the water level reaches the “high point” from Day 1 or until the full specified volume is introduced. The amount of water added on Day 2 is the amount of water absorbed during the 24 hour test.
Before you schedule your septic service, here are some important things to know:
  • Location of septic tank cover or manhole, and whether it is at or below grade
  • How many gallons your tank holds and what size your tank is (some homes have multiple tanks)
If you’re not sure what kind of tank you have or how many gallons it holds, don’t worry, many new homeowners are unsure of the specifics. Our technicians are happy to inspect your septic system to determine the size of your tank(s) and show you where to locate each of the components. It’s a great idea to make a diagram of your septic system and its layout so you know where parts are located for future reference.
We also offer comprehensive grease tank service to restaurants and businesses throughout Central PA, including York, Dauphin, Lancaster and Lebanon counties. To learn more click here

"With our drains backing up and our sewage pump failing, John Kline Septic Services was out the same day to fix our problem. I would highly recommend John Kline to anyone looking for an honest, on-time service."
- Chris, Mount Joy, PA

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