Is LARSSON'S CROOKED CREEK CG-NEW Water Safe to Drink in 2026?
South Dakota · PWSID SD4602405 · Ground water
Population served
54
Cities served
BLACK HAWK, HILL CITY
State / jurisdiction
South Dakota (SD)
PWSID
SD4602405
C
TAP WATER GRADE
Concerning
Model score 59/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
3 violation record(s) in the latest EPA SDWA quarterly snapshot
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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.).
VIOLATIONS HISTORY (FEDERAL SNAPSHOT)
EPA’s national SDWA quarterly files associate 3 violation-related records with this system in the same reporting quarter as the utility snapshot used on WaterCheckup. This is not a complete historical docket — see ECHO and SDWIS for full compliance context.
Based on LARSSON'S CROOKED CREEK CG-NEW's monitoring and violation profile, here are vetted filtration options — same picks framework as our city reports.
TOP PICKS FOR LARSSON'S CROOKED CREEK CG-NEW
⚠ EPA violations / contaminants in monitoring data
WHY THIS FOR LARSSON'S CROOKED CREEK CG-NEW · Chosen for LARSSON'S CROOKED CREEK CG-NEW because EPA’s SDWA snapshot shows active violation records. RO addresses a wide range of regulated contaminants, not just chlorine taste.
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