Montana Water Quality

Water hardness and quality data for 7 cities in Montana, USA.

109 mg/L

State average

🟡 Moderately Hard

Avg category

7

Cities tracked

Billings

Pop. 117,116

🟡 Moderately Hard

60 mg/Lreservoir

PFAS: 1.4 ppt

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Bozeman

Pop. 43,405

132 mg/Lreservoir

PFAS: 2.5 ppt

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Butte

Pop. 34,190

56 mg/Lreservoir

PFAS: 1.4 ppt

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Great Falls

Pop. 59,638

164.5 mg/Lreservoir

PFAS: 2.9 ppt

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Helena

Pop. 32,091

🟡 Moderately Hard

113 mg/Lreservoir

PFAS: 2.2 ppt

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Missoula

Pop. 71,022

🟡 Moderately Hard

80.5 mg/Lreservoir

PFAS: 1.8 ppt

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Kalispell

Pop. 22,052

158.5 mg/Lreservoir

PFAS: 2.9 ppt

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