Is OST SANITATION AND MAINTENANCE Water Safe to Drink in 2026?
South Dakota · PWSID SD4690472 · Ground water
Population served
83
Cities served
POTATO CREEK
State / jurisdiction
South Dakota (SD)
PWSID
SD4690472
A
TAP WATER GRADE
Good
Model score 85/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
No major violations flagged in the latest federal quarterly snapshot
Water operator? Publish your official 2027 CCR here — residents already find this page. Claim free →
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 0 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 OST SANITATION AND MAINTENANCE's monitoring and violation profile, here are vetted filtration options — same picks framework as our city reports.
WHY THIS FOR OST SANITATION AND MAINTENANCE · Chosen for OST SANITATION AND MAINTENANCE because groundwater supplies can carry nitrates, arsenic, and localized contamination. RO is the strongest barrier for sensitive households.
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