The Pomperaug District Department of Health has release a statement noting that an investigation has been opened into the agency's finances after a review found “significant anomalies.”  The statement said in an effort to increase efficiencies in the delivery of services to the district, a routine review was conducted over the summer, which  led to the discovery and law enforcement investigation.  This comes as the district, which covers, Oxford, Southbury and Woodbury, is merging with New Milford and Washington into the Housatonic Valley Health District.  The statement did not say which law enforcement agency is investigating, and state police say they have no record of an investigation.