Biosolids (also referred to as treated sewage sludge) are the solids derived from primary, secondary, or advanced treatment of domestic wastewater. All wastewater facilities operate under either a National Pollutant Discharge Elimination System (NPDES) or Water Pollution Control Facility (WPCF) permit.
Biosolid Analysis Package
|Ammonia||Fecal Coliforms||Nitrite||Total Solids|
|Arsenic||Lead||pH||Total Volatile Solids|
|Conductivity||Nickel||Total Kjeldahl Nitrogen|
For more information and contacts regarding permits, please visit the Oregon DEQ Biosolids Program website at https://www.oregon.gov/deq/wq/programs/Pages/Biosolids.aspx