Commercial properties with a mix of pervious and impervious surfaces depend on well-functioning green infrastructure to manage stormwater and stay in compliance with local ordinances. EverGreen Infrastructure recently completed green infrastructure maintenance at Savannah Market, a commercial mixed retail property in Sumner County, Tennessee. The work focused on two bioretention ponds serving the 1.26-acre property.

About Savannah Market

Savannah Market is a commercial mixed retail property located in Sumner County, operated by The Capital Corporation. The parcel containing the site’s green infrastructure practices (GIPs) is identified as parcel number 146 03707 000, spanning approximately 1.26 acres with a relative mix of pervious and impervious surfaces, the kind of landscape where consistent GIP maintenance plays a direct role in stormwater performance and long-term site health.

The green infrastructure practices at this site were originally constructed in accordance with the City of Gallatin’s Stormwater Ordinance, as evidenced by the appropriate construction permits issued at the time of construction. EverGreen Infrastructure’s scope was not a review of original design accuracy. It was a professional assessment and maintenance of the systems currently in place and performing on the ground.

What Are Green Infrastructure Practices (GIPs)?

Green infrastructure practices are engineered systems designed to manage stormwater at or near the source. Rather than routing runoff directly into municipal systems, GIPs slow, filter, and reduce stormwater through natural and semi-natural processes. Common GIPs include bioretention ponds, water quality swales, detention ponds, and permeable pavement.

When properly maintained, these systems protect water quality, reduce flooding risk, preserve infrastructure, and keep properties in compliance with local stormwater ordinances. When neglected, they lose efficiency, and the consequences show up in erosion, standing water, and reduced treatment performance.

The Systems at Savannah Market

Savannah Market employs two types of green infrastructure practices: two bioretention ponds and two water quality swales.

Bioretention Ponds

Bioretention ponds are shallow, vegetated depressions designed to capture and treat stormwater runoff. As water flows into the pond, it filters through layers of soil, mulch, and plant material, which remove sediment and pollutants before the water infiltrates into the ground or is released downstream. Over time, these systems can accumulate sediment, experience vegetation overgrowth, or develop drainage issues that reduce their effectiveness if not properly maintained.

Water Quality Swales

Water quality swales are vegetated channels that convey stormwater while filtering pollutants and slowing the rate of flow. They work alongside bioretention ponds to provide an additional layer of treatment before water leaves the site.

EverGreen Infrastructure performed maintenance on both bioretention ponds at this site in August 2026 to restore their operational capacity and ensure continued compliance with local stormwater standards. Shown below is an aerial image of the property with the two bioretention ponds labeled.


Why Regular Green Infrastructure Maintenance Matters

Stormwater infrastructure is not a set-it-and-forget-it investment. Systems like bioretention ponds and water quality swales require routine inspection and maintenance to perform at design capacity. Without regular attention, these systems experience:

  • Sediment buildup that reduces storage volume and filtration capacity
  • Vegetation overgrowth that can compromise inlet and outlet function
  • Structural deterioration in pond edges, swale channels, and outlet structures
  • Reduced water quality performance as filters and settling zones become compromised

For a commercial mixed retail property like Savannah Market, functioning stormwater systems protect parking areas, walkways, and tenant spaces from flooding, directly impacting the property’s usability and long-term value.

EverGreen Infrastructure’s Approach

EverGreen Infrastructure specializes in the assessment, maintenance, and long-term management of green infrastructure systems across the region. Our process combines thorough on-site evaluation with targeted maintenance work to restore systems to peak performance.

For the Savannah Market project, our team conducted a performance evaluation of the existing GIPs and performed hands-on maintenance on both bioretention ponds in August 2026. Our work was guided by an objective analysis of current system conditions, not assumptions about the original design, so that every recommendation and action reflects real, present-day performance data.

This is the standard we hold ourselves to on every project: honest assessment, practical maintenance, and documentation that gives property owners a clear picture of what they have and how it’s performing.

Serving Commercial Properties in Sumner County

Stormwater compliance is a responsibility that falls on property owners and operators, and the consequences of non-compliance or system failure can be costly. EverGreen Infrastructure works with commercial properties, residential communities, and municipalities throughout the region to keep green infrastructure systems performing the way they were built to perform.

Whether a property has a single bioretention pond or a complex network of swales and detention systems, our team has the expertise to assess, maintain, and document those systems to the standard that local ordinances and property owners demand.

Ready to Schedule a Green Infrastructure Assessment?

EverGreen Infrastructure is taking on new clients in Sumner County and the surrounding region. Our team brings the technical knowledge and field experience to evaluate your stormwater systems, identify maintenance needs, and deliver the documentation you need for compliance and peace of mind.

Contact EverGreen Infrastructure today to learn more about our green infrastructure maintenance and assessment services.

EverGreen Infrastructure provides stormwater management, green infrastructure assessment, and GIP maintenance services for commercial, residential, and municipal clients. This post references work completed at Savannah Market, Sumner County, Tennessee (Parcel ID: 146 03707 000), operated by The Capital Corporation.