Sioux Falls, SD: 2 Health Violations - Home Safety 66/100
20 ZIP codes · 9 water systems · Updated
ZipCheckup grade for Sioux Falls: C.
A mixed picture - some signals here are worth your attention.
Across water systems in Sioux Falls, safety results are uneven - a portion carry active or recent violations, while others meet federal standards without incident, placing the city in the middle tier for SD.
How Sioux Falls Compares
Data: EPA SDWIS
Water Quality Map: Sioux Falls, SD
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
How ZIP codes in Sioux Falls score across all safety grades.
What You Should Know About Sioux Falls Water
- Your city's water systems recorded 7 violations in the past 5 years.
- Average lead level: 0.0039 mg/L.
- Estimated remediation: $2,145 per household.
- CDC health risk index: 12.12 - above typical levels.
Who Supplies Your Water in Sioux Falls
Water delivery in Sioux Falls, SD is handled by 3 utilities rather than a single system - drawn from 9 providers in federal records, each filing its own compliance reports and setting its own rates.
- C
- C
- C
Overview
We track home safety data for 20 ZIP codes in Sioux Falls, South Dakota, covering 9 community water systems serving approximately 204,373 people. The EPA snapshots used for this build directly map water systems to 9 of 20 ZIP codes.
4 of 9 ZIP codes with a reported violation count in the available EPA record (44%) have recorded EPA violations. 2 health-based violations appear in the available health breakdown.
Home Safety Score
Average Home Safety Score for Sioux Falls: C (66/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Sioux Falls water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0039 mg/L (EPA action level: 0.015 mg/L)
- 0 of 9 ZIP codes with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 20 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Revised Total Coliform Rule | Microbiological | 6 | 3 |
| Chlorine residual | Disinfectant | 4 | 2 |
| Consumer Confidence Report Rule | Reporting | 3 | 2 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 57110 | C | 5 | 2 | Sioux Falls |
| 57108 | — | 3 | 0 | Sioux Falls |
| 57103 | — | 1 | 1 | Sioux Falls |
| 57106 | C | 1 | 0 | Sioux Falls |
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 57104 | C | Sioux Falls | 216,462 |
| 57105 | C | Sioux Falls | 216,462 |
| 57107 | C | Sioux Falls | 216,462 |
| 57117 | C | Sioux Falls | 216,462 |
| 57197 | — | Sioux Falls | 216,462 |
All ZIP Codes in Sioux Falls
- 57101
- 57103 - 1 violation ⚠
- 57104 [C]
- 57105 [C]
- 57106 [C] - 1 violation
- 57107 [C]
- 57108 - 3 violations
- 57109
- 57110 [C] - 5 violations ⚠
- 57117 [C]
- 57118
- 57186
- 57189
- 57192
- 57193
- 57194
- 57195
- 57196
- 57197
- 57198
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Health Outcomes in Sioux Falls
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Top Contaminants in Sioux Falls Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Cost Context: What Remediation Means for Sioux Falls Homeowners
Because property values in Sioux Falls comfortably exceed estimated remediation costs, the equity impact here is proportionally small.
Remediation costs in Sioux Falls are relatively low compared to home values. The $1,375–$3,045 estimated range is a small fraction of median property value. Home values are 44% above the South Dakota average.
Lead Exposure Risk for Children in Sioux Falls
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Lead risk in Sioux Falls appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical NFIP Claim Context in Sioux Falls
Historical NFIP data for Sioux Falls contains 284 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $31,779. Among ZIP codes with claim records, 50% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$2,145</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
What You Can Do in Sioux Falls
- Test your water at home. City-level data shows averages - your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. Filters rated for Revised Total Coliform Rule can reduce the most common contaminant found in Sioux Falls's water.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
Deep Dive Reports
Detailed analysis for Sioux Falls, SD