LocalDataPoint

New Hampshire Water Quality

Water hardness and quality data for 19 cities in New Hampshire, USA.

Est. average

≈54mg/L

3.2 gpg

Hardness level

🟢 Soft

Based on estimates

Cities

19

21 with data

Manchester

Pop. 110,229

≈ Soft
0–59 mg/Lreservoir

PFAS: 18 ppt

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Concord

Pop. 43,976

≈ Soft
0–59 mg/Lreservoir

PFAS: 0 ppt

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Derry Village

Unincorporated area

Pop. 34,539

≈ Hard
120–179 mg/Lreservoir

PFAS: 12.8 ppt

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Dover

Pop. 30,880

≈ Soft
0–59 mg/Lgroundwater

PFAS: 0 ppt

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East Concord

Unincorporated area

Pop. 42,605

≈ Soft
0–59 mg/Lreservoir

PFAS: 4.6 ppt

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Nashua

Pop. 87,970

≈ Soft
0–59 mg/Lreservoir

PFAS: 0 ppt

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Rochester

Pop. 30,038

≈ Soft
0–59 mg/Lreservoir

PFAS: 0 ppt

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Bedford

Pop. 21,188

≈ Hard
120–179 mg/Lgroundwater

PFAS: 4.8 ppt

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Claremont

Pop. 12,984

≈ Moderately Hard
70.5 mg/Lreservoir

PFAS: 0 ppt

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Derry

Pop. 22,015

≈ Soft
18 mg/Lreservoir

PFAS: 12.8 ppt

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Durham

Pop. 10,345

≈ Soft
0–59 mg/Lreservoir

PFAS: 0 ppt

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Keene

Pop. 23,265

≈ Soft
0–59 mg/Lreservoir

PFAS: 0 ppt

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Laconia

Pop. 16,227

≈ Soft
0–59 mg/Lreservoir

PFAS: 0 ppt

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Lebanon

Pop. 13,579

≈ Soft
0–59 mg/Lreservoir

PFAS: 0 ppt

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Londonderry

Pop. 11,037

≈ Soft
0–59 mg/Lgroundwater

PFAS: 6 ppt

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Merrimack

Pop. 26,726

≈ Soft
0–59 mg/Lgroundwater

PFAS: 0 ppt

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Pelham

Pop. 12,676

≈ Soft
0–59 mg/Lgroundwater

PFAS: 4.7 ppt

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Portsmouth

Pop. 21,530

≈ Soft
0–59 mg/Lreservoir

PFAS: 140 ppt

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Salem

Pop. 29,549

≈ Hard
120–179 mg/Lreservoir

PFAS: 72.2 ppt

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Somersworth

Pop. 11,759

≈ Soft
0–59 mg/Lreservoir

PFAS: 0 ppt

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Windham

Pop. 13,091

≈ Hard
120–179 mg/Lgroundwater

PFAS: 7.7 ppt

Full report →