Environmental Services' fiscal year 2017-2018 capital budget totals $109.1 million. Environmental Services estimates the replacement value of the bureau's assets at over $13 billion; with over $7 billion of that in the nearly 2,000 mile sanitary and combined sewer pipe system. While pipe is assumed to have a 100-year life, a significant amount of pipe is approaching or has passed that point. Consequently, most of the five-year CIP is in the Maintenance and Reliability (M&R) program (54%). It is anticipated that maintenance and reliability will require a sizable investment on an ongoing basis well into the future.