HYDRA storm and sanitary sewer modeling software and earthwork cut and fill software.

Hydra storm sanitary sewer modeling software for hydraulic hydrologic analysis; and sewer design by Pizer Incorporated; HYDRA is for wastewater system comprehensive master planning,; urban stormwater runoff management, infiltration and inflow (I/I) studies.; Uses GIS interface,; compatible with AutoCAD CAD and ArcInfo ArcView GIS programs.; PIZER INCORPORATED for civil engineering software on municipal collection system projects and rehabilitation.