314 CMR 20.04
Public Notice Requirements for Reclaimed Water
(1) All areas at a reuse site that are accessible to the public, such as reclaimed water valves,
storage facilities, and outlets, shall be posted with signs that are visible to the public clearly
communicating that the water is not safe for drinking, The signage shall be colored purple with
white or black lettering and shall include the following wording: "NOTICE: RECLAIMED
WATER - DO NOT DRINK". An example of such a sign is included in 314 CMR