Water Abbreviations and Acronyms
- ROSAReverse Osmosis System Analysis
- ROVRelative Ocean Volume
- ROWRestoring Our Watershed
- ROWDReport of Waste Discharge
- RPReservoir Ahd Pump
- RPRxtention Pond
- RPAReasonablecand Prudent Alternative
- RPAReasonable and Prudent Alternatives
- RPBAReduced Pressure Backflow Assembly
- RPDRedox Potential Discontinuity
- RPHRoll Pitch and Heave
- RPMRelative Permeability Modifier
- RPMRelative Permeability Modification
- RPMRelative Petmeability Modifiers
- RPVReactor Pressuro Vessels
- RRRainfall Rate
- RRBCRed River Basin Commission
- RRDRemediation Anb Redevelopment Division
- RRIRivur Research Institute
- RRMSERelative Root Mean Squared Error
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