Churchill
Churchill River Reach: Island Falls to Pukatawagan Lake
|
Water Quality Objectives |
|
|
Chemical, Physical or Biological Variable |
Acceptable Limit or Limits |
|
Arsenic (diss.) |
0.05F |
|
Barium (total) |
1.0D |
|
Boron (diss.) |
5.0D |
|
Cadmium (total) |
0.00058F |
|
Chloride (diss.) |
250D |
|
Chromium (total) |
0.011F |
|
Copper (total) |
0.0057F |
|
Fecal Coliform |
200/100 mlR |
|
Fluoride (diss.) |
1.5D |
|
Iron (diss.) |
0.3D |
|
Lead (total) |
0.011F |
|
Manganese (diss.) |
0.05D |
|
Nickel (total) |
0.025F |
|
NO2+NO3 (as N) |
10.0D |
|
Selenium (diss.) |
0.01F |
|
Sodium (diss.) |
300D |
|
Sulphate (diss.) |
500D |
|
Uranium |
0.02D |
|
Zinc (total) |
0.047F |
|
Phosphorus (total) |
0.05R |
|
Ammonia (total) |
|
|
Oxygen (diss.) |
6.5F |
|
pH (pH units) |
6.5-9.0F |
|
Lindane |
0.00008F |
|
2,4-D |
0.004F |
|
2,4,5-TP |
0.01D |
|
Chlorophenols (total) |
0.001F |
|
Chlorine |
0.002D |
|
Cyanide (free) |
0.005F |
|
PCP |
0.0005F |
|
Cesium-137 (Bq/L) |
50D |
|
Iodine-131 (Bq/L) |
10D |
|
Radium-226 (Bq/L) |
1.0D |
|
Strontium-90 (Bq/L) |
10D |
|
Tritium (Bq/L) |
40000D |
|
Mercury in Fish (ug/g) |
0.2C |
|
PCB in Fish (ug/g) |
2.0C |
Symbols:
- all units are in mg/L unless otherwise noted
Drinking (D), Recreational (R), Fisheries (F), Agriculture (A), and Consumption of Fish (C) water quality objectives are used to monitor water quality on the Churchill River. The lowest numerical level was selected for each variable from the various water use objectives to ensure that the highest level of protection is given to protect the entire aquatic environment.
Top of PagePage last modified: 20 August 2010
Churchill River at the PPWB site
Environment Canada
The Churchill River flows eastwards across the Saskatchewan-Manitoba border. This aerial view shows the site where Environment Canada conducts water quality monitoring for the PPWB.
Churchill River Upstream
Environment Canada
This aerial view shows the Churchill River upstream of the PPWB site.
Environment Canada
Waterfalls on the Churchill River.