Best Water Filter for Duluth, MN (2026) — Matched to Local Water

MN · Filter Guide

Best Water Filter for Duluth

Data-matched filtration recommendation based on Duluth's water quality analysis · Utility: City of Duluth Water and Gas.

85/100Excellent

Choosing the right water filter for Duluth, Minnesota starts with understanding what's actually in your tap water. Our recommendation is data-matched to Duluth's specific contaminant profile, which draws from Lake Superior and is managed by City of Duluth Water and Gas.

Below you'll find Duluth's water quality snapshot, our top filter pick, per-contaminant recommendations, and the data behind why we recommend it.

Duluth Water Snapshot

85/100
Purity Score
1.2 ppb
Lead Level
0.8 GPG
Water Hardness
Lake Superior
Water Source

Why Duluth Needs a Water Filter

Contaminant Matching

Filters selected based on Duluth's specific detected contaminants.

Health Protection

Certified filtration removes lead, PFAS, chlorine byproducts, and other contaminants.

Home Protection

Reduces scale, sediment, and chemical damage to pipes and appliances.

Recommended Water Filter for Duluth

Our Top Pick for Duluth
Filter Priority: Recommended

Our full filter recommendation is in the city water report.

View Duluth Water Report →

Based on water quality analysis, a filtration system matched to local contaminants is recommended for Duluth.

Why This Filter for Duluth?

  • Reduces lead exposure (1.2 ppb detected)
  • Matched to Duluth's specific water composition
  • Improves taste, odor, and safety for drinking and cooking

Filter by Contaminant: Duluth

Based on Duluth's water analysis, we detected 1 contaminant that require targeted filtration.
Lead (Pb) 1.2 ppb detected
Detected
Under Sink

Waterdrop 10UA Under Sink Water Filter System

NSF/ANSI 53 certified for lead reduction. Removes 99.3% of lead at the point of use.

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Also Consider for Duluth

iSpring RCC7 Reverse Osmosis
View on AmazonAffiliate link
Clearly Filtered Water Pitcher
View on AmazonAffiliate link

As an Amazon Associate, PurityMap earns from qualifying purchases.

Water Quality Data: Duluth, MN

ParameterValueEPA StandardStatus
Purity Score85/100 Excellent
Lead (Pb)1.2 ppb15 ppb Detected
Water Hardness0.8 GPG Soft
Total Dissolved Solids25 ppm500 ppm Normal
Water SourceLake Superior
Utility ProviderCity of Duluth Water and Gas

More About Duluth Water

Frequently Asked Questions

What filter do I need in Duluth MN?

Duluth water scores 85/100 with no major concerns. A pitcher filter improves taste.

What are the main water problems in Duluth?

Duluth water issues: Chlorine. Score: 85/100.

Protect Your Water in Duluth

A quality water filter is the best match for Duluth's water profile.

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