A94/100
HOT SPRINGS — Water Quality Report 2026
Serving 3,395 people · South Dakota
Water Source
Groundwater
County
—
System ID
SD4600163
Violations
3
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1993.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About HOT SPRINGS
Is HOT SPRINGS water safe to drink?
HOT SPRINGS water receives a grade of A (94/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has HOT SPRINGS detected?
31 contaminants were tested in HOT SPRINGS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does HOT SPRINGS have any EPA violations?
Yes, HOT SPRINGS has 3 EPA violation(s) on record, with the most recent in 1993. Violation types include MR.
How many people does HOT SPRINGS serve?
HOT SPRINGS serves approximately 3,395 people, South Dakota. The system provides water to 1 community: Hot Springs.
What type of water does HOT SPRINGS provide?
HOT SPRINGS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is SD4600163.
How does HOT SPRINGS compare to other utilities in South Dakota?
HOT SPRINGS scores 94/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our South Dakota state page for a full comparison of water systems.