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PUBLIC WATER SYSTEM REPORT
Is BIG SIOUX COMMUNITY WATER SYSTEM Water Safe to Drink in 2026?
South Dakota · PWSID SD4600429 · Ground water
Population served
5,800
Cities served
EGAN
State / jurisdiction
South Dakota (SD)
PWSID
SD4600429
B-
TAP WATER GRADE
Fair
Model score 70/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
6 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 BIG SIOUX COMMUNITY WATER SYSTEM has not yet been published on WaterCheckup.
Are you the water operator for BIG SIOUX COMMUNITY WATER SYSTEM? Publish your official CCR here for free — your customers are already finding this page.
Residents: Your public water system is required by EPA to publish an annual CCR by July 1st each year. Contact BIG SIOUX COMMUNITY WATER SYSTEMdirectly 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 6 violation-related records 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.
Based on BIG SIOUX COMMUNITY WATER SYSTEM's monitoring and violation profile, here are vetted filtration options — same picks framework as our city reports.
Certified Filter Recommendations
Matched to what's actually in your water
TOP PICKS FOR BIG SIOUX COMMUNITY WATER SYSTEM
⚠ EPA violations / contaminants in monitoring data
WHY THIS FOR BIG SIOUX COMMUNITY WATER SYSTEM · Chosen for BIG SIOUX COMMUNITY WATER SYSTEM 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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