Sioux Falls, SD Water Quality Report

Is Sioux Falls tap water safe? See PFAS and lead contamination levels for Sioux Falls, South Dakota. Compare to EPA limits and get filter recommendations.

Quick Answers

Is Sioux Falls, SD tap water safe to drink? Sioux Falls, SD tap water meets most federal EPA limits, but PFAS compounds have been detected at an average of 0.01 ppt across 1 compound. A certified pitcher filter or reverse osmosis system is recommended for sensitive populations.

What contaminants are in Sioux Falls, SD water? Top PFAS compounds detected in Sioux Falls water: PFBA (0.01 ppt). See the full table for all monitored contaminants and comparison to EPA limits.

What filter should I use in Sioux Falls, SD? For Sioux Falls, SD households, reverse osmosis removes 90%+ of PFAS, lead, and arsenic. NSF-53 certified pitcher and faucet filters (ZeroWater, Clearly Filtered, LifeStraw) work for smaller households. Skip standard Brita filters for PFAS removal.

Sioux Falls, SD Water Quality Summary

EPA testing has detected PFAS "forever chemicals" in Sioux Falls, SD drinking water. Recent monitoring found a peak level of 0.01 ppt across 1 water system, representing an average of 0.01 ppt across 1 detected compound.

Contamination Level: LOW – Low contamination – PFAS detected but at lower levels; monitoring continues.

Top Detected Compounds

  • PFBA: 0.01 ppt

Lead in Sioux Falls, SD Water

EPA Lead and Copper Rule testing has recorded 13 lead samples for Sioux Falls water systems, with a 90th-percentile high of 0.006 mg/L (within the EPA 0.015 mg/L action level). There is no safe level of lead for children; if your home was built before 1986, a certified NSF/ANSI 53 lead-removal filter is recommended.

EPA Violations in Sioux Falls, SD

Sioux Falls public water systems have 1 health-based EPA Safe Drinking Water Act violation on record, including Combined Radium. Health-based violations mean a contaminant exceeded its federal limit or required treatment was not applied.

About the Data

Source: EPA UCMR5 (Unregulated Contaminant Monitoring Rule 5), the 2023-2025 national testing program spanning 66,000+ public water systems – the broadest drinking water survey ever run in the US. Sioux Falls, SD serves a population of roughly 192,517.

ZIP Codes Served

57101, 57103, 57104, 57105, 57106

What Sioux Falls, South Dakota Residents Should Do

  1. Enter your exact ZIP code at knowyourexposure.com for address-level data
  2. Request the latest Consumer Confidence Report (CCR) from your South Dakota utility – it is free and updated annually
  3. Choose a filter certified for PFAS: NSF/ANSI 58 reverse osmosis (94-99% removal) or an NSF-53 pitcher
  4. High-exposure households (pregnancy, infants, immunocompromised) should also consider a PFAS home test kit