Watershed Management Optimization Support Tool (WMOST) v3
The Watershed Management Optimization Support Tool (WMOST) is a decision support tool that facilitates integrated water management at the local or small watershed scale. WMOST models the environmental effects and costs of management decisions in a watershed context that is, accounting for the direct and indirect effects of decisions.
Keywords: watershed, management, integrated water resources management, optimization, WMOST, green infrastructure, drinking water, wastewater, stormwater, conservation, decision-support, cost-benefit, water resources, Nitrogen and Co-pollutants, ORD-022694You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.
- WMOST V3 User Guide epa600r17_255.pdf (PDF)(88 pp, 5 MB, 02/09/2018, EPA/600/R-17/255)
- WMOST V3 Theoretical Documentation epa600r17_220 (PDF)(158 pp, 8 MB, 02/12/2018, EPA/600/R-17/220)
WMOST 3.0 Hydrology and Water Quality Data Processor Instructions v2 (PDF)(30 pp, 5 MB,
provides an updated set of instructions of the HydroProcessor, a preprocessor for EPA's Watershed Management Optimization Support Tool (WMOST).