Municipal Wastewater Treatment Data

Wastewater treatment levels, Canada, 1983 to 2009
 Percentage of Canadian population with
YearNo treatmentPrimary treatmentSecondary treatmentTertiary treatmentSeptic system or Haulage
198320%11%20%20%28%
198620%11%19%22%28%
198914%14%20%23%29%
199111%15%21%27%27%
19945%17%22%28%27%
19964%17%23%31%26%
19993%14%28%30%26%
2001N/AN/AN/AN/AN/A
20043%20%48%19%10%
20063%15%43%27%12%
20093%16%53%15%13%