Guidelines for Canadian drinking water quality boron: Appendix A, Canadian water quality data

Table A-1. Total boron concentrations for select river basins across Canada, taken from Environment and Climate Change Canada's long-term monitoring data (2000-2015)
Region River basin Number of samples Number of detectsTable 1 Footnote a Median (mg/L) Mean (mg/L) 90th percentile (mg/L) Maximum (mg/L)

East

Maritime Coast

574

80

0.012

0.014

0.020

0.058

Newfoundland and Labrador

1 005

972

0.003

0.004

0.008

0.014

North Shore-Gaspé

37

34

0.001

0.001

0.002

0.002

Saint John

89

0

Central

Winnipeg

44

44

0.007

0.010

0.008

0.124

Prairie

Assiniboine

743

742

0.120

0.014

0.240

2.08

Churchill

245

245

0.030

0.030

0.060

0.130

Lower Saskatchewan-Nelson

328

328

0.042

0.051

0.087

0.261

Missouri

94

94

0.034

0.044

0.080

0.132

North Saskatchewan

417

416

0.017

0.080

0.244

0.417

South Saskatchewan

644

633

0.006

0.014

0.029

0.082

Pacific

Columbia

3 540

3 273

0.002

0.003

0.007

0.018

Fraser

3 194

3 124

0.004

0.008

0.025

0.060

Okanagan-Similkameen

906

902

0.006

0.007

0.012

0.016

Pacific Coastal

2 421

2 338

0.008

0.009

0.018

0.043

Peace-Athabasca

320

314

0.003

0.004

0.007

0.059

Arctic

Arctic Coast

133

112

0.003

0.004

0.006

0.056

Keewatin

34

34

0.003

0.002

0.004

0.004

Lower MacKenzie

839

817

0.008

0.009

0.015

0.057

Yukon

596

586

0.002

0.003

0.005

0.013

Source: ECCC, 2017

Table A-1 Footnote a

Method detection limit = 0.0005–0.010 mg/L

Table 1 Return to footnote a referrer

Page details

Date modified: