Warning signs of an improperly functioning septic system are many – some are obvious and some require more effort to notice.
Around the house
the grass over the system may become unusually green or spongy to walk on, toilets, showers and sinks may take longer to drain, occasional sewage odours may become noticeable, often after a rainfall, you may see gray or black liquids surfacing in your yard, or backing up through plumbing fixtures into the house.
In lakes and ponds
Leaks from septic systems can cause weeds and algae to grow in lakes and ponds. Just a small amount of additional phosphorus (which can come from soaps, shampoos, household cleaning products and detergents) in a lake or pond can make a huge difference in the amount of weeds that grow duri……