Wastewater Visibility News
2025 Herrington Lake Wastewater Treatment Project Underway After Recent Groundbreaking Ceremony
November 10, 2025
Kentucky Energy and Environment Cabinet and Wastewater Visibility News
The Herrington Lake Project will allow the Mercer County Sanitation District to expand its support for local homeowners, eliminating outdated septic systems. The multi-site project also creates additional protection for the lake, which serves as a drinking water source for four surrounding counties.
Photos on this article courtesy of the Kentucky Energy and Environment Cabinet Facebook page
Lt. Gov. Coleman Joins Local Officials in Mercer County to Break Ground on Herrington Lake Wastewater Treatment Project
FRANKFORT, Ky. (Nov. 5, 2025) – Lt. Gov. Jacqueline Coleman joined local officials and residents in Mercer County today to break ground on construction of a $2.2 million project to improve wastewater services and prevent pollution of Herrington Lake.
The funding will allow the Mercer County Sanitation District to replace 129 residential septic systems – which are often outdated – extend the main sewer line and connect it to individual homes at no cost to homeowners.
“Gov. Beshear and I believe every Kentuckian has the right to clean drinking water. This project underscores that commitment,” said Lt. Gov. Coleman. “This effort will protect water quality and the health of nearly 1,000 Kentuckians. By eliminating outdated septic systems, we’re making sure that our water resources remain safe for drinking and recreation.”
The project, originally announced in March 2024, is funded through the U.S. Environmental Protection Agency’s Sewer Overflow and Stormwater Reuse Municipal Grant (OSG) program.
“This is a significant project that will eliminate inadequate septic tanks that leak into this valuable watershed,” said Energy and Environment Cabinet Secretary Rebecca Goodman. “The improvements will not only enhance the lake’s water quality but also protect the health of residents who rely on Herrington Lake for drinking water.”
The lake serves as the drinking water source for communities in Boyle, Mercer, Garrard and Lincoln counties.
The project will remove six holding tanks and construct two new pump stations to serve the Herrington Lake region. A low-pressure collection system will be installed with 79 grinder pump stations that will serve properties along Gwinn Island Road, benefiting residents and the local recreational facilities at the Gwinn Island Marina and Resort.
A force main and 13 pump stations will be installed near Pandora Marina along Kennedy Bridge Road, an area which is currently served by septic tanks and holding tanks.
An extension of the existing collection system along Cold Springs Drive in Southern Mercer County will serve 14 properties currently using septic tanks and nine properties located along Beaumont Avenue and South College Street in Harrodsburg.
A force main and 12 residential pump stations will also be constructed along Blankenship Drive and Adams Lane near the Bright Leaf Estates subdivision.
The project is expected to be complete by September 2026.
Kentucky Energy and Environment Cabinet
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