Rocky Mount Reports Three Untreated-Wastewater Releases After July Rain

Rocky Mount reported three sanitary sewer overflows after heavy rain on July 23 and 24, with the city estimating that a combined 51,000 gallons of untreated wastewater reached the Tar River, Cowlick Creek and Little Cokey Swamp.

The city’s Water Resources Department published a notice dated July 24, 2026. As of Sunday, August 2, the notice is the city’s reported account of the incidents and the response that followed. It said approximately 2.01 inches of rain fell during July 23-24, contributing to conditions that overloaded parts of the sanitary sewer system.

Three Rocky Mount locations were named

According to the city notice, one overflow occurred at 121 Riverside Drive. Rocky Mount estimated that 24,000 gallons entered the Tar River during a release lasting four hours.

A second overflow was reported at 105 Wake Street. The city estimated that another 24,000 gallons entered Cowlick Creek during a four-hour release.

The third occurred at 1101 Johnson Street. Rocky Mount estimated that 3,000 gallons entered Little Cokey Swamp during a release lasting approximately 3.75 hours.

The estimated volumes add up to approximately 51,000 gallons; they are not presented as exact measured totals. The city attributed the incidents to saturated ground, localized flooding, and inflow and infiltration that increased the amount of water entering the sanitary sewer system.

City reported washing, vacuuming and site restoration

Rocky Mount said crews washed and vacuumed affected areas, removed saturated soil, applied lime, and restored the sites with sand, soil, seed and wheat straw.

Those actions are the city’s reported response to the July incidents. The notice does not independently establish the current level of contamination, a specific health effect, or an ongoing public-health condition. It also does not state that residents were exposed or harmed, or that a health advisory was issued.

What North Carolina guidance says about sewer overflows

North Carolina’s Division of Water Resources defines sanitary sewer overflows as discharges of untreated wastewater from sewer collection systems. The agency lists heavy rainfall and inflow and infiltration among conditions that can contribute to overflows, along with equipment failures, aging infrastructure, blockages and other problems.

State guidance says permittees must verbally report any sanitary sewer overflow or spill of more than 1,000 gallons to the ground, as well as any overflow that reaches surface water, as soon as possible and no later than 24 hours after first learning of the event. That reporting requirement provides regulatory context; the city notice alone does not establish whether any particular reporting obligation was met.

North Carolina DEQ also warns that untreated wastewater reaching surface waters can create potential water-quality concerns, including exposure to pathogens and pollutants, algae growth, reduced dissolved oxygen, and harm to aquatic life depending on conditions in the receiving stream.

For Rocky Mount residents, the July 24 notice confirms three reported releases at named locations and three receiving waters following late-July rainfall. The available notice does not provide a current environmental sampling result or establish an ongoing contamination level.

Sources

• City of Rocky Mount public notice of discharge of untreated sewage
• North Carolina DEQ sanitary sewer overflow FAQ