Thousands of lakes, rivers and wells in North America, as well as the millions of people who use them, could ultimately benefit from a new septic tank filter system designed and manufactured in Canada ...

SUMMERLAND — Maple Reinders has been awarded the construction contract for the Wastewater Treatment Plant girt removal and effluent filter upgrades. Maple Reinders submitted the lowest price of $2,945 ...

Primary wastewater treatment plant effluent was applied to sand filters at room temperature for 2 hr daily for 240 days at a rate of 20 cm/day, 5 days/wk, with filters being drained between ...