3. Do septic tanks kill grass?
Have you noticed the patch of grass above or around your septic tank turning brown or yellow? It may be alarming, but it’s actually a sign of a healthy septic tank.
Firstly, septic tanks don’t often kill grass outright, rather they simply cause the grass to go dormant for a while – especially in the summer months. Because the soil over your septic tank is not as deep as soil in the rest of your lawn, it has a more shallow area to absorb water from – therefore, it may not look as healthy or ‘green’. The temptation may be to water the grass. You should resist, as this could affect the drain field’s ability to do its job and could have an adverse effect on your septic tank. Instead, if the issue continues to bother you, try adding some more topsoil to the area.
You should only seek professional help should the grass dormancy last long past summer, or if your grass does not revive.