The watershed program offers technical assistance to watershed groups, municipalities, and individual citizens. A watershed is a geographic area of land across which water, and the sediments and dissolved materials it contains, flow on their way to a single common outlet -- a stream, lake or river.
A lumbar peritoneal (LP) shunt is a technique of cerebrospinal fluid (CSF) diversion from the lumbar thecal sac to the peritoneal cavity.
A shunt valve is part of a ventriculoperitoneal (VP) shunt used in treating diseases such as hydrocephalus. Hydrocephalus is a condition involving an abnormal accumulation of cerebrospinal fluid (CSF), the clear fluid which circulates around the brain and spinal cord, inside the skull.