1
With a hardness of 8.5 GPG, Ann Arbor residents may notice white scale on faucets. Hard water increases maintenance costs.
2
PFAS have been identified in Ann Arbor's water at 2.1 parts per trillion. A reverse osmosis system is the most reliable home treatment.
3
Chlorine levels may affect the taste of Ann Arbor's tap water. A carbon filter improves flavor.

Score

64 /100

Moderate

"Good" threshold (70)

Ann Arbor tap water is sourced from Barton Pond Huron River and treated by City of Ann Arbor Water Treatment Services. PFAS forever chemicals have been detected. Water hardness is hard at 8.5 GPG which may cause scale buildup. Overall purity score: 64/100 (Moderate). Updated for 2026.

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Best filters matched to Ann Arbor's 4 issues.

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MATCHED TO ANN ARBOR'S WATER DATA

Best Water Filters for Ann Arbor, MI (2026)

Matched to PFAS Detected, Hard Water (8.5 GPG), Moderate Chlorine in Ann Arbor.

PFAS Detected Hard Water (8.5 GPG) Moderate Chlorine

Best Overall #1 for Ann Arbor

Clearly Filtered Water Pitcher

Pitcher Filter

$80-95

Why this fits Ann Arbor

Removes 99%+ of PFAS detected in Ann Arbor's water
Eliminates chlorine taste and odor from Ann Arbor's water
NSF/ANSI 42 + NSF/ANSI 53 + NSF/ANSI 401 certified

Pros & Cons +

No installation fill and pour

Removes 365+ contaminants including PFAS

Small capacity 2-3 people

Filter replacements every 4 months

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Best for PFAS

Waterdrop G3P800 Tankless RO

Tankless Reverse Osmosis

$380-450

Why this fits Ann Arbor

Removes 99%+ of PFAS detected in Ann Arbor's water
Eliminates chlorine taste and odor from Ann Arbor's water
NSF/ANSI 58 + NSF 372 certified

Pros & Cons +

No tank saves cabinet space

800 GPD fast flow rate

Higher upfront cost

Filter replacements are proprietary

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Best for Taste

APEC Water Systems ROES-50

Under-Sink Reverse Osmosis

$195-220

Why this fits Ann Arbor

Removes 99%+ of PFAS detected in Ann Arbor's water
Eliminates chlorine taste and odor from Ann Arbor's water
NSF/ANSI 58 certified

Pros & Cons +

5-stage filtration removes 99%+ of contaminants

Long-lasting filters (6-12 month replacement)

Requires under-sink installation

Wastes some water during filtration

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Best Value

Waterdrop 10UA Under-Sink Filter

Under-Sink Carbon Filter

$40-60

Why this fits Ann Arbor

Eliminates chlorine taste and odor from Ann Arbor's water
NSF/ANSI 42 certified
Budget-friendly at $40-60

Pros & Cons +

Very affordable

Easy DIY install no plumber

Does not remove PFAS or hardness

Single point of use only

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As an Amazon Associate, PurityMap may earn from qualifying purchases. Based on latest Ann Arbor water data.

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Ann Arbor Water FAQ

Is Ann Arbor MI tap water safe to drink in 2026?

Ann Arbor tap water meets EPA federal drinking water standards and scores 64/100 (Moderate) on PurityMap for 2026. PFAS forever chemicals have been detected at 2.1 ppt. An NSF-certified filter is strongly recommended. For most healthy adults the water is considered safe but point-of-use filtration adds an important layer of protection.

Does Ann Arbor MI use chlorine or chloramine for disinfection?

Ann Arbor uses chloramine as the primary disinfectant with a residual level of 1.4 ppm. Chloramine is harder to remove than free chlorine and requires a catalytic carbon or reverse osmosis filter. Standard Brita-style pitchers will NOT remove chloramine.

How hard is Ann Arbor MI water and what is the TDS level?

Ann Arbor water hardness is 8.5 grains per gallon (hard) with a TDS of 290 ppm (fair). This level causes noticeable scale buildup in water heaters kettles and dishwashers. A water softener is recommended to protect plumbing and reduce soap usage.

Has PFAS been found in Ann Arbor MI drinking water?

Yes. PFAS forever chemicals have been detected in Ann Arbor water at approximately 2.1 ppt according to EPA UCMR5 monitoring data. A reverse osmosis or NSF P473-certified filter is the most effective residential solution.

What is the best water filter for Ann Arbor?

Based on Ann Arbor's water profile, we recommend the Clearly Filtered Water Pitcher. Ann Arbor: PFAS detected or elevated lead risk. Reverse osmosis is the only residential technology proven to reduce both below detection limits. TDS will also drop significantly.

Nearby Reports

FlintMichigan — 43/100 KalamazooMichigan — 60/100 DetroitMichigan — 74/100 DearbornMichigan — 74/100 LansingMichigan — 78/100 Grand RapidsMichigan — 79/100

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Data Sources

EPA SDWIS
EWG Tap Water Database
City of Ann Arbor Water Treatment Services CCR
USGS monitoring data

PurityMap compiles public data. Updated March 2026.

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