Environmental Rules in Collierville, TN (2026)
4 verified environmental rules for Collierville, Tennessee, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
In the Town of Collierville, Tennessee, new and redevelopment projects must manage the first inch of every qualifying rainfall event on site, with no discharge to surface waters except as Chapter 152 allows. The Engineering/Development Department enforces it, and violators face civil penalties of $50 to $5,000 per day.
Collierville TN Stormwater Runoff Reduction Rules
Significant RestrictionsCollierville Code of Ordinances § 152.207
The State of Tennessee issues to the Town of Collierville an NPDES General Permit for Discharges from Small Municipal Separate Storm Sewer Systems, which requires permanent stormwater management. Site designs for all new and redevelopment projects approved after the State established implementation date shall require management measures that are designed, built and maintained to infiltrate, eva...
Erosion Control
Cleared land in the Town of Collierville, Tennessee must be stabilized within 14 days after construction activity stops, and steep slopes within seven days. Stabilized areas must keep 70% cover crop survival for a year. The Town Engineer inspects sites and can issue stop work orders.
Collierville TN Construction Site Stabilization Rules
Significant RestrictionsCollierville Code of Ordinances § 152.209
(A) Any area of land from which the natural vegetative cover has been either partially or wholly cleared by development activities shall be stabilized. Stabilization measures shall be initiated as soon as possible in portions of the site where construction activities have temporarily or permanently ceased. Temporary or permanent soil stabilization at the construction site (or a phase of the p...
Flood Zones
Development in Collierville's mapped flood hazard areas needs a development permit from the Development Director before any work starts. In designated floodways, § 151.100(F) bars encroachments, including fill, new construction and substantial improvements, unless a registered professional engineer certifies no increase in the base flood water surface elevation.
Collierville TN Floodplain Development Rules and Permit
Significant RestrictionsCollierville Code of Ordinances § 151.100(F)
(F) Standards for areas of special flood hazard with established base flood elevation and with floodway designated. ... (1) No encroachments, including fill material, new construction, substantial improvements or other development shall be located within designated floodways, unless certification from a registered professional engineer is provided demonstrating that the cumulative effect of the...
Flood Elevation Requirements
In Collierville's flood hazard areas with base flood elevation data, new or substantially improved residential and nonresidential buildings must have the lowest floor, including basement, elevated no lower than one foot above the base flood elevation. In shallow flooding AO and AH zones, the fallback is at least two feet above the highest adjacent grade.
Collierville TN Lowest Floor Elevation: One Foot Above Base Flood
Some RestrictionsCollierville Code of Ordinances § 151.100(B)(1) and (D)(1)
(a) Residential construction. New construction or substantial improvement to any residential building (or manufactured home) shall have the lowest floor, including basement, elevated no lower than one foot above the base flood elevation. ... (b) Nonresidential construction. New construction or substantial improvement of any commercial, industrial or nonresidential building shall have the lowest...
Looking for Shelby County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Collierville city rules.
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