Septic service in New Hampshire
SepticTank.com covers 188 cities and towns in New Hampshire, home to about 1,374,975 people. The largest are Manchester, Nashua and Concord.
Soil and climate differ across New Hampshire. In the 187 cities with local data so far, a median of 93% of nearby mapped soils are rated very limited for septic absorption fields, and yearly precipitation ranges from about 43 to 52 inches. Each city page shows the figures for that area.
Septic permits in New Hampshire are handled by state and county health or environmental agencies. Check with your county before installing, replacing or making major repairs to a system, and ask your septic company which rules apply to your property.
Choose your city or town to reach a septic company that serves it.
Largest cities: Manchester, Nashua, Concord, Derry, Rochester, Dover
- Alexandria
- Allenstown
- Alstead
- Alton
- Amherst
- Andover
- Antrim
- Ashland
- Atkinson
- Auburn
- Barnstead
- Barrington
- Bartlett
- Bath
- Bedford
- Belmont
- Bennington
- Berlin
- Bethlehem
- Boscawen
- Bow
- Bradford
- Brentwood
- Bridgewater
- Bristol
- Brookline
- Campton
- Canaan
- Candia
- Canterbury
- Center Harbor
- Charlestown
- Chester
- Chesterfield
- Chichester
- Claremont
- Colebrook
- Concord
- Conway
- Cornish
- Danbury
- Danville
- Deerfield
- Deering
- Derry
- Dover
- Dublin
- Dunbarton
- Durham
- East Kingston
- Effingham
- Enfield
- Epping
- Epsom
- Exeter
- Farmington
- Fitzwilliam
- Francestown
- Franconia
- Franklin
- Freedom
- Fremont
- Gilford
- Gilmanton
- Goffstown
- Gorham
- Grafton
- Grantham
- Greenfield
- Greenland
- Greenville
- Hampstead
- Hampton
- Hampton Falls
- Hancock
- Hanover
- Harrisville
- Haverhill
- Henniker
- Hill
- Hillsborough
- Hinsdale
- Holderness
- Hollis
- Hooksett
- Hopkinton
- Hudson
- Jackson
- Jaffrey
- Jefferson
- Keene
- Kensington
- Kingston
- Laconia
- Lancaster
- Lebanon
- Lee
- Lempster
- Lincoln
- Lisbon
- Litchfield
- Littleton
- Londonderry
- Loudon
- Lyme
- Lyndeborough
- Madbury
- Madison
- Manchester
- Marlborough
- Mason
- Meredith
- Merrimack
- Middleton
- Milan
- Milford
- Milton
- Mont Vernon
- Moultonborough
- Nashua
- New Boston
- New Castle
- New Durham
- New Hampton
- New Ipswich
- New London
- Newbury
- Newfields
- Newmarket
- Newport
- Newton
- North Hampton
- Northfield
- Northumberland
- Northwood
- Nottingham
- Orford
- Ossipee
- Pelham
- Pembroke
- Peterborough
- Pittsfield
- Plainfield
- Plaistow
- Plymouth
- Portsmouth
- Raymond
- Richmond
- Rindge
- Rochester
- Rollinsford
- Rumney
- Rye
- Salem
- Salisbury
- Sanbornton
- Sandown
- Sandwich
- Seabrook
- Somersworth
- Springfield
- Stoddard
- Strafford
- Stratham
- Sunapee
- Sutton
- Swanzey
- Tamworth
- Temple
- Thornton
- Tilton
- Troy
- Tuftonboro
- Unity
- Wakefield
- Walpole
- Warner
- Washington
- Weare
- Webster
- Westmoreland
- Whitefield
- Wilmot
- Wilton
- Winchester
- Windham
- Wolfeboro
- Woodstock