Municipal Wastewater Treatment Data

Wastewater treatment levels, Canada, 1983 to 2009

	Percentage of Canadian population with
Year	No treatment	Primary treatment	Secondary treatment	Tertiary treatment	Septic system or Haulage
1983	20%	11%	20%	20%	28%
1986	20%	11%	19%	22%	28%
1989	14%	14%	20%	23%	29%
1991	11%	15%	21%	27%	27%
1994	5%	17%	22%	28%	27%
1996	4%	17%	23%	31%	26%
1999	3%	14%	28%	30%	26%
2001	N/A	N/A	N/A	N/A	N/A
2004	3%	20%	48%	19%	10%
2006	3%	15%	43%	27%	12%
2009	3%	16%	53%	15%	13%