Hot Springs, SD
HOT SPRINGS · Serves 3K people · Groundwater
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contaminants
detected
exceed
guidelines
Most concerning
TTHM
19×health limit
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The truth about legal limits
Legal does not equal safe.
Meeting EPA legal limits does not mean your water is safe for drinking.
We benchmark against the strictest independent health-based guidelines.
All Contaminants
6Filter by health risk
Critical findings — every contaminant in your water that exceeds the EWG health limit by 10× or more. Start here.
Filtration Analysis
Viven
Multi-stage
Activated
Carbon filter
Reverse
Osmosis only
PFAS / Forever Chemicals
Viven
99.9%Carbon
PartialRO only
YesHeavy Metals
Viven
99.9%Carbon
LimitedRO only
YesRadionuclides
Viven
99.9%Carbon
NoRO only
YesMinerals re-added
Viven
YesCarbon
NoRO only
NoContaminants in your water that Viven removes
Reserve nowFrequently asked
Hot Springs water quality questions
- Is tap water in Hot Springs, SD (ZIP 57747) safe to drink?
- Tap water for ZIP 57747, served by HOT SPRINGS, has 4 contaminants detected above independent EWG health guidelines, including TTHM at 19× the guideline. Meeting EPA legal limits does not necessarily mean water is safe — federal legal limits are often far higher than the latest health-based guidelines.
- What contaminants are in Hot Springs, SD tap water?
- EPA monitoring data for ZIP 57747 shows 6 contaminants detected, including TTHM, TOTAL HALOACETIC ACIDS (HAA5), Lead, Nitrate, Copper, Gross Alpha. Each detected level is compared against both EPA legal limits and the stricter EWG health guidelines.
- Does Hot Springs, SD tap water have PFAS ("forever chemicals")?
- No PFAS were detected in the available testing (30 compounds tested) for ZIP 57747. PFAS testing coverage varies by water system, so absence in the data does not guarantee none are present.
- How can I remove these contaminants from my drinking water?
- A multi-stage filtration system that combines activated carbon, reverse osmosis, and remineralization removes PFAS, heavy metals, and disinfection byproducts while restoring beneficial minerals. The Viven faucet is engineered to remove 99.9% of the contaminants found in tap water.
- Where does this Hot Springs, SD water quality data come from?
- This report is built from U.S. EPA data: the Unregulated Contaminant Monitoring Rule (UCMR 3/4/5), the Six-Year Review (SYR4), the Lead and Copper Rule (LCR), and SDWIS violation records. Detected levels are compared against EPA legal limits and Environmental Working Group (EWG) health guidelines. Data last updated 2026-05-01.
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