Spearfish, SD: 7 Violations - Home Safety Score unavailable
2 ZIP codes · 4 water systems · Updated
Data: EPA SDWIS
Spearfish Water: The Quick Version
- Your city's water systems recorded 7 violations since 2021.
- Average of reported 90th-percentile lead results: 0.003 mg/L.
- Estimated remediation: $300 per household.
- Health risk index (ZipCheckup composite of CDC data): 12.96.
Water Systems Serving Spearfish
Federal records list 4 water systems tied to Spearfish, SD. Of those, 3 are the primary providers, meaning service conditions, rate structures, and compliance histories can differ depending on where a property sits.
Overview
We track home safety data for 2 ZIP codes in Spearfish, South Dakota, covering 4 community water systems serving approximately 17,507 people. The EPA snapshots used for this build directly map water systems to 1 of 2 ZIP codes.
1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. 1 health-based violation appear in the available health breakdown.
Water Sources
Spearfish water systems draw from: Groundwater.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0030 mg/L (EPA action level: 0.015 mg/L)
- 0 of 1 ZIP code with known status exceed the EPA lead action level
Radon Risk
2 of 2 ZIP records with known zones are in EPA Radon Zone 2.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Consumer Confidence Rule | Reporting | 6 | 1 |
| Public Notice Rule | Reporting | 2 | 1 |
| Revised Total Coliform Rule | Microbiological | 2 | 1 |
| Groundwater Rule | Treatment Technique | 2 | 1 |
| Chlorine | Disinfectant | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 57783 | — | 7 | 1 | Spearfish |
All ZIP Codes in Spearfish
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.
CDC Health Data for Spearfish
Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Key Contaminants Detected in Spearfish
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Spearfish: Remediation Cost in Perspective
Compared with typical property prices, the remediation estimate for Spearfish is small in percentage terms - at or under one percent.
Estimated remediation costs in Spearfish can be compared with local home values. The $150–$600 estimated range can be set against the median property value; actual costs vary by home. Home values are 90% above the South Dakota average.
Protecting Children from Lead in Spearfish
Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Available area-level lead records for Spearfish do not determine the lead level at an individual tap. 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 Flood-Claim Evidence for Spearfish
Historical NFIP data for Spearfish contains 26 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $15,050. Among ZIP codes with claim records, 100% 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 $300 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.
Deep Dive Reports
Detailed analysis for Spearfish, SD