The Standley Lake Trail boat ramp in Westminster, Colorado is a concrete boat ramp that allows access to the Standley Lake Reservoir. According to the City of Westminster website, the boat ramp is 28 feet wide and can accommodate boats up to 22 feet in length.

Standley Lake Reservoir is a 1,200-acre body of water located in Westminster and serves as a drinking water supply for several municipalities in the Denver metro area. The reservoir is also a popular spot for recreational activities such as fishing, boating, and hiking.

As for the kind of craft permitted on the water, the City of Westminster states that motorized boats, canoes, kayaks, and stand-up paddleboards are allowed on the reservoir. However, there are certain restrictions on boat motors and sizes, as well as mandatory boat inspections to prevent the spread of invasive species.

It's important to note that due to the ongoing COVID-19 pandemic, some restrictions or closures may be in place at the Standley Lake Trail boat ramp or the reservoir itself. It's always best to check with local authorities or park officials for the most up-to-date information.