Septic Systems

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Contamination Evidence

• Wastewater shows above ground.
• Detection of excessive bacteria, and chemicals in well water tests.

Causes

• Poor installation and/or maintenance
• Disposal of household chemicals, such as paint thinners, into system.
• Overloading the system with a garbage disposal unit.
• Use of septic tank cleaning additives.
• Too many closely-spaced septic systems in a limited area.

Prevention

• Proper installation.
• Inspection and cleaning every 2-4 years; annually if garbage disposal used.
• Do not dispose of household chemicals into the system.
• Ban hazardous cleaning additives for septic systems.
• Develop local septic system codes.
• Public sewers when feasible.
• Public information and education.