Is OAKS WATER USERS ASSOCIATION Water Safe to Drink in 2026?
South Dakota · PWSID SD4602135 · Ground water
Population served
180
Cities served
NEW UNDERWOOD
State / jurisdiction
South Dakota (SD)
PWSID
SD4602135
F
TAP WATER GRADE
High risk
Model score 30/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
166 violation record(s) in the latest EPA SDWA 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 166 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 OAKS WATER USERS ASSOCIATION's monitoring and violation profile, here are vetted filtration options — same picks framework as our city reports.
TOP PICKS FOR OAKS WATER USERS ASSOCIATION
⚠ EPA violations / contaminants in monitoring data
WHY THIS FOR OAKS WATER USERS ASSOCIATION · Chosen for OAKS WATER USERS ASSOCIATION because the latest federal SDWA snapshot lists substantial violation activity. Certified reverse osmosis provides the broadest residential barrier for households that want margin beyond legal compliance.
Get water quality alerts for OAKS WATER USERS ASSOCIATION
We'll notify you when new PFAS data, EPA violations, or contamination alerts affect OAKS WATER USERS ASSOCIATION (PWS SD4602135). One email, no spam, unsubscribe any time.