New development and significant redevelopment sites are required to preserve water quality buffers along Metro’s community waters, which include streams, rivers, springs, lakes, ponds, and wetlands. Please see Metro’s Stormwater Management Manual, Volume 1, Section 6.10 for additional information.
Metro Water Services (MWS) accepts Hydrologic Determinations performed by Qualified Hydrologic Professionals certified by TDEC. Please visit the Tennessee Hydrologic Determination Training website for additional information. MWS will also accept Hydrologic Determinations performed by qualified professionals that understand the indicators of geomorphology, hydrology, and biology used to differentiate streams from wet weather conveyances. They will need to submit the following forms:
Sign Templates
Signs may be purchased from a variety of sign vendors. Please make certain the company is using our approved artwork and the specifications below.
- Stream Buffer
- Bioretention
- Constructed Wetland
- Dry Pond
- Infiltration Trench
- Pervious Pavement
- Underground Detention
- Underground Water Quality Vault
- Water Quality Swale
- Wet Pond
Sign Description
- 12" X 18" white 0.063 aluminum
- Single sided
- Sign to be mounted to post at top and bottom with stainless steel hardware
Post Description
- 6' galvanized U-channel or 4" x 4" pressure treated lumber post
- 2' below grade
- 4' above grade
For questions regarding the artwork, please contact [email protected]