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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)
South PortsmouthPortsmouthNorth Portsmouth

PRV Installation Brochure