Is LINCOLN COUNTY RURAL WATER SYSTEM Water Safe to Drink in 2026?
South Dakota · PWSID SD4600304 · Ground water
Population served
5,965
Cities served
SIOUX FALLS
State / jurisdiction
South Dakota (SD)
PWSID
SD4600304
D
TAP WATER GRADE
Poor
Model score 47/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
6 violation record(s) in the latest EPA SDWA quarterly snapshotPFAS compounds detected in UCMR5 monitoring
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CONTAMINANTS — EPA UCMR5 MONITORING
Compound
Level (ppt)
EPA limit
Health guideline
Status
PFBA
6.1
—
Within / n/a
Unregulated (monitored)
Source: EPA UCMR5 · ppt = parts per trillion · MCL = enforceable limit for regulated PFAS
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 utility snapshot used on WaterCheckup. This is not a complete historical docket — see ECHO and SDWIS for full compliance context.
Based on LINCOLN COUNTY RURAL WATER SYSTEM's monitoring and violation profile, here are vetted filtration options — same picks framework as our city reports.
TOP PICKS FOR LINCOLN COUNTY RURAL WATER SYSTEM
⚠ EPA violations / contaminants in monitoring data
WHY THIS FOR LINCOLN COUNTY RURAL WATER SYSTEM · Chosen for LINCOLN COUNTY RURAL WATER SYSTEM because PFAS compounds appear in UCMR5 monitoring for this PWS. Reverse osmosis is the most effective certified residential technology for PFAS.
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