What precaution should be taken when installing an OSSF near a creek?

Maintaining the required distance and ensuring proper drainage to prevent contamination is crucial when installing an On-Site Sewage Facility (OSSF) near a water source, such as a creek. This precaution helps safeguard water quality and prevents pollutants from the OSSF from leaching into the nearby creek.

Contamination can occur if the sewage system is too close to the water source, particularly during heavy rainfall or flooding, when runoff might carry harmful bacteria, nutrients, and other pollutants into the water. By adhering to the necessary setbacks, which are designated by regulations and best management practices, the risk of environmental harm is significantly reduced. Additionally, proper drainage ensures that any potential overflow or discharge is directed safely away from the creek, adding an extra layer of protection for the water quality in the surrounding area.

The other options do not address the critical concern of distance and drainage effectively. For example, ensuring visibility from the creek does not inherently protect the water source from contamination. Likewise, placing the installation closer to the water would increase the risk of pollution, and while installing additional filtration systems has merit, it does not negate the need for proper placement and distance from the creek.