Across
- 1. A large container that receives wastewater from a house as part of a septic system
- 3. A component of a septic system, made up of underground pipes laid out below the surface of the ground
- 8. Amount of oxygen a quantity of water uses over a period of time at specific temperatures
- 11. Human-made ponds lined with rubber built to handle large quantities of manure produced by livestock
- 12. Species that indicated whether or not disease-causing pathogens are likely to be present
Down
- 2. Increase in fertility in body of water, the result of anthropogenic inputs of nutrients
- 4. A relative small and simple sewage treatment system, made up of a septic tank and a leach field, often used for homes in rural areas
- 5. Water with areas extremely low oxygen concentration and very little life
- 6. A group of microorganisms in human intestines that come from microorganisms associated with contamination by sewage
- 7. A layer of fairly clear water found in the middle of a septic tank
- 9. A phenomenon in which a body of water becomes rich in nutrients
- 10. Water produced by humans (sewage water, gray water)
- 13. Solid waste material from wastewater