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Pressure Reducing Valves

  • Installation of a pressure reducing valve (PRV) is required for locations…
    • below 90′ in elevation for the low service area (North Portsmouth)
    • below 210′ in elevation for the high service area (South Portsmouth)
  • Check the maps below to see if a PRV is needed at your location.
  • See Obtaining Water Service for more information.

PRV Location & Elevation Maps

Low Service (210′ Elevation)Full MapHigh Service (90′ Elevation)
Pressure reducing valve elevation map for low service area.Pressure reducing valve elevation map for the entire District.Pressure reducing valve elevation map for high service area.
South PortsmouthPortsmouthNorth Portsmouth

PRV Installation Brochure