E. coli levels test high in Big River as DNR addresses Leadwood wastewater problems
FOX23 News at 9 p.m
LEADWOOD, Mo., (KBSI) — The Missouri Department of Natural Resources is working with the city of Leadwood to address problems at its wastewater treatment facility after testing found high levels of E. coli in the Big River.
DNR said an investigation found seriously degraded and ineffective equipment at the facility is allowing partially treated wastewater to be discharged into the river.
Water samples collected Aug. 3 at the facility’s outfall and about 300 yards downstream showed E. coli levels greater than 2,419 colony-forming units per milliliter, the highest level the department’s test can measure.
A sample collected upstream at a Missouri Department of Conservation access point measured 866 CFU/mL. DNR noted that Missouri State Parks uses 190 CFU/mL as its action level for posting “Not Recommended for Swimming” signs at state park beaches.
DNR said the Leadwood facility began experiencing significant operational problems in early July. The department has made more than a dozen visits to the city over the past month and has been working with Leadwood since May on a long-term solution.
On Aug. 4, the city signed an administrative order on consent with DNR that establishes a framework for addressing the facility’s longstanding problems. The process is expected to include an engineering review and plans to upgrade the plant.
In the meantime, DNR, Leadwood and other agencies are working on temporary repairs intended to improve treatment and stop the current pollution. Some wastewater aeration has been restored, while the city of Bismarck is helping clear a plugged wastewater return line and has agreed to accept some of Leadwood’s excess biosolids. The Missouri Rural Water Association is also assisting with a waste sludge management plan.
DNR is exploring funding options to help Leadwood purchase temporary treatment equipment while a new treatment facility is designed and built.
The department has increased water sampling in the Big River and said additional samples were collected Aug. 5. Those results will be released when available.
Water-quality data is also being provided to the Missouri departments of Health and Senior Services and Conservation, which will determine whether additional public notices are necessary.
