The City of Kamloops and its residents produce an average of 12,500 bulk tonnes of biosolids every year through the treatment process at the Kamloops Sewage Treatment Centre (KSTC). This includes sewage treated from Tk’emlúps te Secwépemc through an existing sewer agreement.
Following the construction upgrades at the KSTC, the improved treatment process resulted in more biosolids being produced. Biosolids were stockpiled on site at the KSTC while a management plan was being developed. The stockpile of biosolids is approximately 23,000 tonnes, and the site has reached its stockpile capacity.
The City is addressing the immediate need for short-term biosolids management options while also seeking potential long-term alternatives to traditional biosolids management techniques.
Short-term Biosolids Management
Through a negotiated request for proposals, the City recently awarded a two-year biosolids management contract to Arrow Transportation Systems Inc. (Arrow). Arrow and NutriGrow, a soil solutions company in Arrow’s Environmental Division, in partnership with the Little Shuswap Lake Indian Band (LSLIB), will manage the beneficial use of the 23,000 tonnes of stockpiled biosolids while providing ongoing management for the daily production of biosolids, which totals 12,500 tonnes annually.
Arrow and NutriGrow are proven market leaders in biosolids management, with a fleet of specialized vehicles designed for the safe transportation of biosolids. Throughout the contract, Nutrigrow will manage the beneficial reuse of the City’s nutrient rich biosolids in accordance with all applicable Provincial regulations. The project will be overseen by an independent third-party agrologist to ensure the processes meet strict environmental guidelines. This partnership leverages NutriGrow’s biosolids management expertise and the LSLIB’s environmental stewardship.
Long-term Biosolids Management
The City is working with Stantec Consulting Ltd. to develop a long-term strategy for biosolids management. The City has also formed a Biosolids Management Stakeholder Committee to seek feedback and input from a variety of stakeholders on a long-term strategy for the management and beneficial reuse of biosolids produced at the KSTC. The committee includes representation from the following organizations:
- Thompson-Nicola Regional District
- Tk’emlúps te Secwépemc
- First Nations Health Authority
- Kamloops Stockmen’s Association
- Fraser Basin Council
- City Council
- City of Kamloops staff
The methodology and process for developing the long-term biosolids strategy is comprehensive. It involves collecting data; establishing decision-making frameworks; evaluating technologies from around the world; and applying analyses that take into consideration the environment, economy and social implications, etc. Please see the full process below.