Category Archives: Managing moisture, precipitation and leachate

Uncovered Class A Compost May Contaminate Water

Over the years, I have heard from a number of sources including professionals that when a compost meets Class A compost requirements, it is benign and there is no risk of causing pollution of either ground or surface water. A few years ago, someone insisted during a … Continue reading

Posted in Managing moisture, precipitation and leachate | Leave a comment

Drying manure for bedding by composting – removing moisture

Last week, I had a call from a client in upstate New York, who was using the agitated bed composting system that we designed in 2006 for recycling separated dairy solids to produce animal bedding. He is processing up to 180 … Continue reading

Posted in Managing moisture, precipitation and leachate | Leave a comment

Evaluation of Evaporation as Suggested by Compost Facility Requirements Guideline

The BC Compost Facility Requirements Guideline offers the following scenario (http://www.env.gov.bc.ca/epd/mun-waste/regs/omrr/pdf/compost.pdf): “A windrow composting operation with 3 m deep and 7.6 m wide piles and 1.5 m aisles averages about 195 kg of degradable organic matter per square meter. This … Continue reading

Posted in Managing moisture, precipitation and leachate | Leave a comment

If Evaporation Rates as Published are Real, We have a Fantastic Business Opportunity!

In my last two blogs, I discussed leachate collection requirements for compost facilities in our cooler, high precipitation climates in Southcoastal British Columbia. I recommended that a one hectare outdoor composting pad in Abbotsford receiving 1029 mm of precipitation between October … Continue reading

Posted in Managing moisture, precipitation and leachate | Leave a comment

How Much Moisture Really Does Evaporate During Winter in Southcoastal BC?

In the last blog, I suggested that we need to design leachate collection to accomodate all of the precipitation from October through March because of low evaporation potential during these cooler, high rainfall months in Southcoastal BC. I used the example … Continue reading

Posted in Managing moisture, precipitation and leachate | Leave a comment

Designing Leachate Collection for Compost Facilities

This is the first of a series of three posts that discusses leachate collection for compost facilities. There were three factors that prompted this blog. 1. A recent request from students who were designing a compost facility for a community … Continue reading

Posted in Managing moisture, precipitation and leachate | Leave a comment