Skip to main content
Digital Archive Ontario Homepage

Advanced Search Objects: results

Close
Refine Results
Format
Date
to
Names
Subject
Collection
Language
City, town or township
Neighbourhood
Sort:
/ 1
Advanced Search Filters
Clear
17 for
  • Subject: Water quality management
Image shows the first page of an Interim Report.
Report of the Commission of Engineers appointed to report on the present and future water supply for Toronto
4/29/1911
Image shows the first page of the letter.
Report of the Commission of Engineers appointed to report on the present and future water supply for Toronto
11/30/1911
Image shows a page that reads: "Toronto Water & Sewage"
Toronto water & sewage
1884-09-20
Image shows a cover page that reads: "Reports on Sewage Disposal of the City of Toronto".
Report of the Medical Officer of Health on the disposal of the sewage of the City of Toronto
1899
Wednesday's Water In The Town Of Aurora, Sediment in tap water, right, settles to bottom, as at left
Wednesday's Water In The Town Of Aurora, Sediment in tap water, right, settles to bottom, as at left
12/12/1969
Cleaning-the hard way. A workman at the Cumber Pumping Station on Morningside Ave. cleans filter of a sewage pump with blow torch. The city is finding(...)
Cleaning-the hard way. A workman at the Cumber Pumping Station on Morningside Ave. cleans filter of a sewage pump with blow torch. The city is finding(...)
9/12/1969
Experts plugged all the hotels at tiny Port Hawksbury, nearest town to the Arrow disaster
Experts plugged all the hotels at tiny Port Hawksbury, nearest town to the Arrow disaster
2/17/1970
Black and white proof
Black and white proof
9/25/1969
A $4,000 Meter which he plans to dump into Lake Ontario is checked out by engineer George Jones
A $4,000 Meter which he plans to dump into Lake Ontario is checked out by engineer George Jones
9/29/1969
Garbage by the bag
Garbage by the bag
6/1/1984
It's a clear water wagon, This truck-mounted portable water treatment plant, built by Union Carbide, was too big to get into the Pollution Control Sho(...)
It's a clear water wagon, This truck-mounted portable water treatment plant, built by Union Carbide, was too big to get into the Pollution Control Sho(...)
6/15/1972
It looks terrific --what is it?, It's the Komara Miniskimmer, which is a device developed by British Petroleum Co
It looks terrific --what is it?, It's the Komara Miniskimmer, which is a device developed by British Petroleum Co
11/21/1975
Lab technicians Keith Austen (foreground) and Harry Alkema test Lake Ontario water samples for nutrients aboard the motor vessel Martin Karlsen, a floating pollution research laboratory
Lab technicians Keith Austen (foreground) and Harry Alkema test Lake Ontario water samples for nutrients aboard the motor vessel Martin Karlsen, a floating pollution research laboratory
4/5/1971
Junk cleared out of the Black Creek Ravin in the Jane-Finch area of North York is moved aside by 11-year-old Jeannette Reid, a Grade 5 pupil at Derryd(...)
Junk cleared out of the Black Creek Ravin in the Jane-Finch area of North York is moved aside by 11-year-old Jeannette Reid, a Grade 5 pupil at Derryd(...)
6/23/1974
Observers were recruited to don hip waders and place booms across Sixteen Mile Creek during demonstration
Observers were recruited to don hip waders and place booms across Sixteen Mile Creek during demonstration
11/16/1978
A painting of the interior of the R.C. Harris Water Treatment Plant in Toronto, Ontario, Canada ...
Water Plant Rotunda
2013
Interim report of His Honour Judge Winchester (Toronto filtration investigation)
Interim report of His Honour Judge Winchester (Toronto filtration investigation)
3/30/1912
/ 1