DOVER – The Department of Natural Resources and Environmental Control was informed today by Tidewater Utilities, Inc. that the Lewes wastewater treatment plant was back online and had resumed normal treatment of effluent following a Dec. 18 system malfunction at the plant. Tidewater Utilities informed DNREC Saturday evening that treatment membranes contaminated during an automated backwashing process which caused the malfunction had been replaced, ending the plant's system bypass operation that discharged partially-treated effluent for nine days into the Lewes-Rehoboth Canal and the lower Delaware Bay. Installation today of the new and highly-effective treatment membranes by Tidewater Utilities enabled the Lewes WWTP to treat incoming flow as normal and discontinue bypass pumping. During the bypass operation, DNREC staff was onsite at the plant directing Tidewater Utilities' sampling of the partially-treated effluent for bacteria levels and monitoring the sampling for possible health risks.
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