An environmental group has accused Weyerhaeuser of violating the Clean Water Act by discharging wastewater and stormwater containing pollutants from its lumber mill near Raymond, Wash. The Twin Harbors Riverkeeper nonprofit has filed a federal complaint alleging the facility has violated its wastewater permits by failing to comply with federal effluent standards and reporting requirements. The lawsuit claims that Weyerhaeuser’s lumber mill regularly releases more wastewater than permitted as well as water that’s contaminated with oil and grease, that’s too warm or that’s excessively acidic or alkaline. A representative of Weyerhaeuser did not respond to requests for comment. Contrary to permit conditions, Weyerhaeuser didn’t sufficiently monitor its wastewater for pollutants or report the results to Washington environmental regulators who enforce the Clean Water Act, according to the complaint.