WaterQ
South Dakota State Report All States
Official Status: March 2026

Is De Smet tap water safe to drink?

✓ Generally Safe
A

Mostly yes — De Smet scores 100/100.

Safety Score
100
out of 100

Still not sure if you need a filter in De Smet?

Read Decision Guide →

De Smet

South Dakota

View South Dakota state report Verified: Apr 2026

Is De Smet tap water safe to drink?

Mostly yes — De Smet scores 100/100. This report aggregates EPA drinking water data across 0 local systems in De Smet. We found 0 total violations (0 unresolved).

Real-Time Environment

Live: 02:45 PM
0mm Precipitation

☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in De Smet.

Water Quality Impact

✅ Minimal Impact Localized weather conditions may influence test result variability.

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in De Smet?

Requirement Status
Optional
🟢
💡

Expert Advice

Your water quality is excellent. Standard filtration is optional but can further enhance taste.

Buying a Filter?

Should you buy a water purifier in De Smet? See our analysis.

Baby Formula Safety

Is De Smet tap water safe for infants? Critical safety guide.

Homebuyer's Perspective

For those looking to relocate to De Smet, water quality is a key factor in long-term property maintenance. The high safety score (100/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

Current records show no major contaminant spikes, making De Smet a preferred choice for health-conscious families.

View Health Risk Glossary →

Score Breakdown for De Smet

EPA Compliance & Violations 85/100
Contaminant Safety Margin 100%

*Scores are calculated using weighted EPA monitoring data from the past 5 years.

Frequently Asked Questions

Is De Smet tap water safe to drink?

Mostly yes — De Smet scores 100/100.

How many water systems serve De Smet?

De Smet is served by 0 public water systems in our latest EPA-backed dataset.

How can I check water quality for my exact address in De Smet?

Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for De Smet.

What is the water quality score for De Smet?

The water quality score for De Smet is N/A out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.

What are the top contaminants in De Smet?

Current contaminant data for De Smet is being updated. Check back soon or search your specific address for the latest results.

Water Quality Score
100/100
Grade
A
Water Systems
1
Population
1,056

De Smet Water Quality Summary

De Smet, SD receives a water quality score of 100/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

De Smet's water quality is above the national average, with strong compliance records and low contaminant levels. Residents generally receive clean, safe tap water that meets EPA standards.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology →

Water Systems Serving De Smet (0)

Water system data coming soon for De Smet.

Related

Compare De Smet water quality: View all states · Contaminant library · How we score water quality