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PUBLIC WATER SYSTEM REPORT

Is FOUR STAR BAR Water Safe to Drink in 2026?

Montana · PWSID MT0001024 · Ground water

Population served
60
Cities served
State / jurisdiction
Montana (MT)
PWSID
MT0001024
A-
TAP WATER GRADE
Good
Model score 82/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
1 violation record(s) in the latest EPA SDWA quarterly snapshot
CONTAMINANTS — EPA UCMR5 MONITORING

No UCMR5 PFAS detects on file for this PWS in our bundled national dataset — the system may be smaller than UCMR5 thresholds, had non-detects, or results are not yet linked to this ID. Your retailer Annual Water Quality Report lists other regulated contaminants (chlorine, DBPs, nitrates, etc.).

Official Consumer Confidence Report (CCR)

The official 2026 CCR for FOUR STAR BAR has not yet been published on WaterCheckup.

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Residents: Your public water system is required by EPA to publish an annual CCR by July 1st each year. Contact FOUR STAR BARdirectly to request a copy, or check the EPA's national CCR portal at cfpub.epa.gov/ccr.

VIOLATIONS HISTORY (FEDERAL SNAPSHOT)

EPA’s national SDWA quarterly files associate 1 violation-related record with this system in the same reporting quarter as the public water system snapshot used on WaterCheckup. This is not a complete historical docket — see ECHO and SDWIS for full compliance context.

Get alerts if this system's EPA data changes:
WHAT TO DO ABOUT IT

Based on FOUR STAR BAR's monitoring and violation profile, here are vetted filtration options — same picks framework as our city reports.

Clean water splash — certified water filter recommendations

Certified Filter Recommendations

Matched to what's actually in your water

TOP PICKS FOR FOUR STAR BAR
EPA violations / contaminants in monitoring data
#1
Waterdrop G3P600 RO
EDITORS PICK
Waterdrop  ·  ~$439
Tankless 600 GPD, removes 99%+ PFAS & lead, 10-stage filtration. Smart faucet TDS display.
WHY THIS FOR FOUR STAR BAR · Chosen for FOUR STAR BAR because EPA’s SDWA snapshot shows active violation records. RO addresses a wide range of regulated contaminants, not just chlorine taste.
#2
Aquasana SmartFlow RO
MOST CERTIFIED
Aquasana  ·  ~$449
WQA Gold Seal + NSF 42/53/58/401. Most certifications of any under-sink RO. Removes 90+ contaminants.
#3
AquaTru Under-Sink RO
EASIEST FILTER CHANGE
AquaTru  ·  ~$375
NSF 42/53/58 certified. Quick-change filters, no tools. Compact tankless design, 4-stage filtration.
Not sure which filter is right for you? Take the 3-question quiz →
See all public water systems in Montana
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