RAPID CITY
Rapid City, SD · 72,009 served
RAPID CITY serves 72,009 people in Rapid City, SD. It has 0 health-based violations in the last 5 years. TapGraded gives this system a B.
Score breakdown
Health-based violations (5y)
0
Monitoring violations (5y)
0
Currently unaddressed
0
Overall score
84/100
Violation history (last 5 years)
No violations on record.
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Lead (Lead and Copper Rule)
EPA's current lead action level is 15 ppb (dropping to 10 ppb in 2027 under the Lead and Copper Rule Improvements).
PFAS (UCMR5 occurrence data)
System details
- System type
- Community water system
- Water source
- Surface water
- Ownership
- Local government
- Service connections
- 23,171
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Is Rapid City, SD tap water safe to drink?
RAPID CITY has 0 health-based violations in the last 5 years. TapGraded gives this system a B.
Does RAPID CITY have lead in its water?
The most recent 90th-percentile lead sample is 6 ppb, versus the EPA action level of 15 ppb.
Has PFAS been detected in RAPID CITY's water?
Yes — PFAS was detected, but below the EPA MCL for every tracked analyte.
Source: EPA SDWIS/ECHO · Data as of 2026Q2