Underwood Engineers

Civil and Environmental Engineering

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Portfolio

water

  • Dover, NH
    Dover, NH
    Sixth Street, Dover, NH water standpipe under construction.
  • Dover, NH
    Dover, NH
    Iron and Manganese Water Treatment Plant at Lowell Avenue, Dover, N.H. (Prior to Improvements)
  • Dover, NH
    Dover, NH
    Sixth Street, Dover, NH water standpipe completed.
  • Exeter, NH
    Exeter, NH
    Flood study and Finished Water Pump Improvements
  • Merrimack Village District, NH
    Merrimack Village District, NH
    New iron and manganese water treatment facility under construction in Merrimack, NH.
  • Exeter, NH
    Exeter, NH
    New water storage tank in Exeter, NH
  • Exeter, NH
    Exeter, NH
    New water storage tank in Exeter, NH
  • Portsmouth, NH
    Portsmouth, NH
    New 4,000,000 gallon per day water treatment facility for the City of Portsmouth, NH.
  • Greenville, NH
    Greenville, NH
    Water treatment facility improvements
  • Bristol, NH
    Bristol, NH
    Hillside Booster Pumping Station Improvements
  • Bristol, NH
    Bristol, NH
    Storm Center Well Pump Station Improvements
  • Durham, NH
    Durham, NH
    Spruce Hole well and recharge basins
  • Dover, NH
    Dover, NH
    North End Booster Pumping Station
  • Portsmouth, NH
    Portsmouth, NH
    Water and drain installation
  • Peterborough, NH
    Peterborough, NH
    Water Booster Pumping Station
  • Derry, NH
    Derry, NH
    Water Booster Station Under Construction
  • Conway Village, NH
    Conway Village, NH
    Water Storage Tank
  • Hinsdale, NH
    Hinsdale, NH
    Water Storage Tank
  • Peterborough, NH
    Peterborough, NH
    Water Storage Tank
  • Greenville, NH
    Greenville, NH
    Water Treatment Plant

wastewater

  • Kennebunk Sewer District, ME
    Kennebunk Sewer District, ME
    0.8 MGD Wastewater Treatment Facility Design
  • Greenville, NH
    Greenville, NH
    Wastewater Treatment Plant Evaluation
  • Milford, NH
    Milford, NH
    Disinfection Building Improvements at the Milford, NH Wastewater Treatment Facility during improvements
  • Manchester, NH
    Manchester, NH
    Wastewater Treatment Plant Primary Clarifier and Gravity Thickener Upgrade.
  • Hanover, NH
    Hanover, NH
    Hanover wastewater treatment facility following liquid train improvements
  • Lebanon, NH
    Lebanon, NH
    Clarifier improvements at wastewater treatment facility in Lebanon, NH
  • Lebanon, NH
    Lebanon, NH
    Wastewater improvements at Lebanon's wastewater treatment facility
  • Lebanon, NH
    Lebanon, NH
    New laboratory for Lebanon's wastewater treatment facility
  • Lebanon, NH
    Lebanon, NH
    Dewatered sludge at Lebanon wastewater treatment facility.
  • Pease, NH
    Pease, NH
    Sequencing Batch Reactor at Pease wastewater treatment facility
  • Greenfield, NH
    Greenfield, NH
    Crotched Mountain Rehabilitation Facility - innovative drip dispersal system for groundwater disposal of wastewwater.
  • Greenfield, NH
    Greenfield, NH
    Wastewater treatment system at Crotched Mountain Rehabilitation Facility
  • Greenfield, NH
    Greenfield, NH
    Wastewater treatment system at Crotched Mountain Rehabilitation Facility
  • Greenfield, NH
    Greenfield, NH
    Design and installation of Town community wastewater disposal facility.
  • Portsmouth, NH
    Portsmouth, NH
    Wastewater treatment facility for Pease International Tradeport.
  • Berwick, ME
    Berwick, ME
    Wastewater treatment facility improvements and closure of sludge storage landfill
  • Lebanon, NH
    Lebanon, NH
    Wastewater treatment facility improvements.
  • Portsmouth, NH
    Portsmouth, NH
    Headworks evaluation and outfall improvements at the Peirce Island wastewater treatment facility.
  • Somersworth, NH
    Somersworth, NH
    Biological nutrient removal (BNR) wastewater treatment facility improvements.
  • Wolfeboro, NH
    Wolfeboro, NH
    Effluent disposal facility improvements (storage pond and spray irrigation) Wolfeboro, NH.
  • Sterling, MA
    Sterling, MA
    Wastewater improvements
  • Swanzey, NH
    Swanzey, NH
    Wastewater pumping station and headworks

stormwater

  • Dover, NH
    Dover, NH
    Stormwater control treatment swale. Spaulding Turnpike Dover, NH
  • Dover, NH
    Dover, NH
    Rain garden stormwater treatment on Silver Street in Dover, NH
  • Dover, NH
    Dover, NH
    Stormwater treatment rain garden on Silver Street in Dover, NH.
  • Portsmouth, NH
    Portsmouth, NH
    Stormwater separation project Portsmouth, NH
  • Greenland, NH
    Greenland, NH
    Village area improvements and rain gardens
  • Northwood, NH
    Northwood, NH
    Harmony road culvert
  • Keene, NH
    Keene, NH
    Porous concrete sidewalks and pavement
  • Keene, NH
    Keene, NH
    Rain gardens
  • Swanzey, NH
    Swanzey, NH
    Safford drive
  • Swanzey, NH
    Swanzey, NH
    Safford drive
  • Belmont, NH
    Belmont, NH
    Structural culvert improvements
  • Wolfeboro, NH
    Wolfeboro, NH
    Bean parking lot rain garden

civil/construction

  • Milton Mills, NH
    Milton Mills, NH
    Road rebuilding in Milton Mills NH
  • Exeter, NH
    Exeter, NH
    Sewer line replacement in Exeter, NH
  • Swanzey, NH
    Swanzey, NH
    Industrial road design and construction with buried infrastructure for industrial park in Swanzey, NH.
  • Portsmouth, NH
    Portsmouth, NH
    Street and sidewalk reconstruction in Portsmouth, NH
  • Greenville, NH
    Greenville, NH
    Water and sewer improvements at Greenville Estates Village District, Greenville, NH
  • Northwood, NH
    Northwood, NH
    Gasoline storage tank install
  • Newmarket, NH
    Newmarket, NH
    Underground utilities
  • Swanzey, NH
    Swanzey, NH
    Retaining Wall
  • Antrim, NH
    Antrim, NH
    Sidewalk improvements
  • Northwood, NH
    Northwood, NH
    Town Beach Improvements
  • Swanzey, NH
    Swanzey, NH
    Force main directional drill
  • Dover, NH
    Dover, NH
    Placement of sewer manhole on Silver Street in Dover, NH
  • Keene, NH
    Keene, NH
    Finished streetscape after rebuilding Keene’s Washington Street
  • Keene, NH
    Keene, NH
    Infrastructure improvements, Keene, NH
  • Keene, NH
    Keene, NH
    Court Street and Washington Street reconstruction in Keene, NH
  • Keene, NH
    Keene, NH
    Replacing water & sewer lines in downtown Keene, NH
  • Newmarket, NH
    Newmarket, NH
    Total rebuild of NH Route 108 through downtown Newmarket including the burying all utilities.
  • Portsmouth,NH
    Portsmouth,NH
    Sewer and water improvements in Portsmouth’s' historic neighborhoods
  • Swanzey, NH
    Swanzey, NH
    Sewer and water installation around Wilson Pond, Swanzey, NH
  • Greenfield,NH
    Greenfield,NH
    Municipal Improvements (sidewalks, fire and town office) in Greenfield NH
  • Newmarket, NH
    Newmarket, NH
    Total rebuild of NH Route 108 through downtown Newmarket including the burying all utilities
Civil and Environmental Engineering

PORTSMOUTH, NH
25 VAUGHAN MALL
PH 603.436.6192 FX 603.431.4733

CONCORD, NH
99 NORTH STATE STREET
PH 603.230.9898 FX 603.230.9899