@ktarbet I am not sure but it seems as if this should use the TimeSeries.dsspath attribute? https://github.com/HydrologicEngineeringCenter/hec-dss-python/blob/fcee841201a3ee24bec6750c644bfce434ed51d0/src/hecdss/hec_dss.py#L93C25-L93C25