Septic system owners should be alert to the following warning signs of a failing septic system:

Septic system owners should be alert to the following warning signs of a failing septic system:
 
• Slow draining sinks and toilets
• Gurgling sounds in the plumbing
• Plumbing backups
• Sewage odours in the house or yard
• Ground wet or mushy underfoot
• Grass growing faster and greener in one particular area of the yard
• Tests showing the presence of bacteria in well water