Is Saint Paul tap water safe to drink?
Yes but with caveats
Saint Paul's water meets EPA minimum standards but has some concerns. Filtration is recommended for sensitive individuals.
3 Issues Detected in Saint Paul
Moderately Hard Water (8.5 GPG)
Hardness above 7 GPG can cause minor scale buildup.
Hardness data for Saint PaulModerate Chlorine Level
Chlorine within EPA limits but may affect taste.
Chlorine info for Saint Paul551,015,510,255,103 · Mississippi River
Drinking Water in Saint Paul: 2026 Analysis
Water from Saint Paul's Mississippi River supply carries notable mineral levels. This 2026 report covers hardness data, safety indicators, and filtration options matched to local conditions.
Water Quality Data
Contaminant Levels
Health Insights
- 1At 8.5 GPG, Saint Paul's water qualifies as moderately hard. This can cause limescale in pipes and shorten appliance lifespan.
- 2Chlorine levels may affect the taste of Saint Paul's tap water. A carbon filter improves flavor.
Score
Saint Paul tap water is sourced from Mississippi River and treated by Saint Paul Regional Water Services. Water hardness is hard at 8.5 GPG which may cause scale buildup. Overall purity score: 79/100 (Good). Updated for 2026.
MATCHED TO SAINT PAUL'S WATER DATA
Best Water Filters for Saint Paul, MN (2026)
Matched to Hard Water (8.5 GPG), Moderate Chlorine in Saint Paul.

AFWFilters 5600sxt 48000 Grain Softener
Salt-Based Water Softener
$650-750
Why this fits Saint Paul
- Handles Saint Paul's hard water (Hard Water (8.5 GPG))
- Premium quality at $650-750

Clearly Filtered Water Pitcher
Pitcher Filter
$80-95
Why this fits Saint Paul
- Eliminates chlorine taste and odor from Saint Paul's water
- NSF/ANSI 42 + NSF/ANSI 53 + NSF/ANSI 401 certified
- Budget-friendly at $80-95

Waterdrop 10UA Under-Sink Filter
Under-Sink Carbon Filter
$40-60
Why this fits Saint Paul
- Eliminates chlorine taste and odor from Saint Paul's water
- NSF/ANSI 42 certified
- Budget-friendly at $40-60

Waterdrop G3P800 Tankless RO
Tankless Reverse Osmosis
$380-450
Why this fits Saint Paul
- Eliminates chlorine taste and odor from Saint Paul's water
- NSF/ANSI 58 + NSF 372 certified
- Premium quality at $380-450
As an Amazon Associate, PurityMap may earn from qualifying purchases. Based on latest Saint Paul water data.
Know exactly what's in YOUR tap
City data shows averages. Your home may differ.
Test Your Water — $25-30About Saint Paul's Water
Saint Paul Hard Water: Effects on Your Home
Hard water conditions in Saint Paul (8.5 GPG) can leave white mineral deposits on fixtures, reduce soap lather, and gradually damage water-using appliances. Water heaters are particularly vulnerable: scale insulates the heating element, raising energy costs and reducing lifespan. A water softener exchanging calcium and magnesium for sodium eliminates scale formation throughout the home. For households concerned about sodium in drinking water, pairing a softener with an RO system at the kitchen tap is the standard approach.
Explore Saint Paul Water Data
Saint Paul Water FAQ
Is Saint Paul MN tap water safe to drink in 2026?
Does Saint Paul MN use chlorine or chloramine for disinfection?
How hard is Saint Paul MN water and what is the TDS level?
Has PFAS been found in Saint Paul MN drinking water?
What is the best water filter for Saint Paul?
Nearby Reports
Compare across all 50 US states
Data Sources
- EPA SDWIS
- EWG Tap Water Database
- Saint Paul Regional Water Services CCR
- USGS monitoring data
PurityMap compiles public data. Updated March 2026.
