Tag: Imhoff Method

Excerpts – Berlin

2025-08-07

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This is a collection of information related to the history of wastewater treatment and sometimes sewerage. The focus is on Ontario, Canada but other interesting things are added from time-to-time.

The intent is to have the information in an accessible text format rather than OCR PDF scans of the original documents.

All information posted here is publicly available and often comes from the Internet Archives. Links to the sources are provided where available.

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Documents with no day or month specified are defaulted to the 1st and January, respectively.

2025-08-08 (4)
2025-08-07 (20)
1984-01-01 (1)
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1982-07-01 (3)
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1897-05-31 (1)
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