At Potomac Disposal we equip our vehicles with the OPS Oil Purification System We are committed to providing the most reliable and dependable service at the most competitive rates while at the same time doing our part to protect our environment We are a family owned and operated business serving the residents and businesses of Montgomery County since 1984 The EVO and ECO cost more than a regular trash or recycling truck, but the benefits to our community as well as to our level of service far outweigh the cost