August 13, 1971. Village of Oak Ridge ~ P.O. Box 111 ~ Oak Ridge, MO 63769. Information about the Oak Ridge Sewer System. How it works. Every residence has a pump tank and a control panel. The tank is in the ground and is covered with a green fiberglass lid.
What does PSA mean â Prostate Specific Antigen. What is PSA? Prostate Specific Antigen PSA, is an enzyme found in the blood produced exclusively by prostate cells. Normal levels of PSA in the blood are small amounts between 0-2.5 ng/ml. Higher than normal levels, greater than 2.5 ng/ml, can be caused by cancer or benign, non-cancerous conditions such as enlarged prostate, prostate inflammation, infection, or trauma.
Normal PSA. PSA tests reveal the amount of PSA detected in the blood. According to the National Cancer Institute, a PSA level below 4.0 ng/mL is considered normal.