Anyone wishing to obtain a hydrant meter must provide the following: Valid state-issued identification card 10-digit Virginia business license number OR Loudoun County Business License If you are a Tradesman you are only required by the Commonwealth of Virginia to be registered and will not be issued an identification card. You are required to provide Loudoun Water with a copy of your Loudoun County Business License instead. Federal Tax Identification number Business card ¾” meter requires an advanced payment fee of $400; 3” meter requires an advanced payment fee of $1,720 Accessing Hydrants Hydrant meters can only be used on yellow hydrants within the Loudoun Water service area Our list of yellow hydrants is available on our website On an active construction site, the developer can paint any hydrant yellow Truck Inspection All trucks must be inspected for proper cross connection/backflow specifications prior to issuing a hydrant meter. See diagrams below for what is required. Charges Rate per 1,000 gallons $7.04 year round A one time permit charge of $30.00 will be on your first bill.