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POLLUTION OF BOUNDARY WATERS

REPORT

OF THE

CONSULTING SANITARY ENGINEER

UPON

REMEDIAL MEASURES

MARCH 8, 1916

WASHINGTON
GOVERNMENT PRINTING OFFICE

1918

Ka

INTERNATIONAL JOINT COMMISSION.

UNITED STATES.

OBADIAH GARDNER, CHAIRMAN.
JAMES A. TAWNEY.
R. B. GLENN.

WHITEHEAD KLUTTZ, Secretary.

CANADA.
CHARLES A. MAGRATH, CHAIRMAN.
HENRY A. POWELL, K. C.
P. B. MIGNAULT, K. C.

LAWRENCE J. BURPEE, Secretary.

1918

CONTENTS.

Pago

Scope and purpose of the present report.....

7

Extent and seasonal distribution of pollution, as disclosed in the Progress Report.

8

General..

8

Seasonal variation..

9

Extent of pollution.

10

Above Lake Huron ..

10

St. Clair River and Lake..

10

Detroit River.....

10

Lake Erie and Niagara River.....

11

Lake Ontario and the St. Lawrence....

11

St. Johns River.......

12

Variations from average conditions.

12

Significance of pollution data.....

12

Relation to water supplies..

12

Opinion of consulting engineers..

12

Application ....

13

Necessary effective dilution ....

14

Extent of sewage treatment proposed

14

Distribution of responsibility..

15

Engineering investigations..

15

Organization and scope...

15

Methods of treatment applicable...

15

Oxidation processes.....

15

Removal of suspended matter.

16

Removal of bacteria.....

16

Drainage canals.......

16

General consideration.....

16

Conditions without treatment..

17

Treatment required....

17

Conclusions regarding Drainage Canal project.

18

Summary of engineering investigations.

18

Type of treatment..

18

Costs.......

18

Conclusions as to remedies...

19

Pollution by steamboats Garbage.

20

Construction and maintenance of works..

21

Means for securing construction.....

21

Maintenance and operation of works...

21

Guiding principles in control of pollution..

21

Appendix 1.-Engineering Studies, Detroit and St. Clair Rivers-report of H. C. McRae, district engineer, and Irving P. Kane,

assistant engineer..

23

Table of contents..

25

Appendix 2.-Engineering Studies, Niagara River--report of F. C. Tolles, district engineer..

67

Table of contents...

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