Lawson - Ottawa, ON
Thos. Lawson & Sons Limited - Ottawa, ON
LAWCO - Ottawa, ON

This Ottawa, Ontario manufacturer went through an evolution with its company names and logos as evidenced by the first group of hydrants below. The "LAWCO" name may actually refer to a product line produced by Lawson, McMullen, Victoria Limited as shown in the No. 850 Improved cutaway drawing below.

If you have any information about the Lawson/Lawco companies, or have any photographs of their hydrants you'd like to contribute, please Email Us.

  No. 850 model?
This model hydrant was designated as the "No. 850 Improved Compression Hydrant" as shown in the LAWCO drawing below. The model designation(s) under earlier company names is unknown to
  • They are not dated or size marked.
  • This model is very similar in appearance to this Kerr Engine Co. hydrant and this Toronto Water Works hydrant.

  • LAWSON logo


    LAWCO logo
    Nozzles: 2x 2"
    Size: ~5" V.O.
    Location: Ottawa, ON
    Photo: © 2001, B. McArthur
    Nozzles: 2x 2", 1x 4"
    Size: ~5" V.O.
    Location: John A. collection
    Photo: © 2004, J. Anderson
    2157 No. 850 Improved
    Nozzles: 2x 2", 1x 4"
    Size: ~5" V.O.
    Source: Mfr's. Drawing

      "Ottawa WW Dept" Spec Hydrants
    These hydrants are marked with "OTTAWA WW DEPT" as shown in this photo.
  • Examples can be found with or without the LAWCO logo on the barrel.
  • The V.O. size, model number, and date are cast onto the barrel.
  • 2155
    Model: No. 500
    Nozzles: 2x 2", 1x 4"
    Size: 5" V.O.
    Dated: 1966
    (See back view)
    Location: John A. collection
    Photo: © 2004, J. Anderson
    Model: "Big Lawson"
    Nozzles: 2x 2", 1x 4"
    Size: ~5" V.O.
    Dated: ?
    Location: Ottawa, ON
    Photo: Ottawa WW Dept

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