Twin Falls, ID: 2 Health Violations - Home Safety 76/100
2 ZIP codes · 3 water systems · Updated
ZipCheckup grade for Twin Falls: B.
This ZIP looks solid, with a few items worth a quick check.
The water systems supplying Twin Falls show a track record of above-average compliance with federal standards - consistently among the better performers in ID.
How Twin Falls Compares
Data: EPA SDWIS
Twin Falls Water: The Quick Version
- Your city's water systems recorded 19 violations in the past 5 years.
- Average lead level: 0.004 mg/L.
- Estimated remediation: $1,600 per household.
- CDC health risk index: 12.3 - above typical levels.
Water Systems Serving Twin Falls
Water delivery in Twin Falls, ID is handled by 3 utilities rather than a single system - drawn from 3 providers in federal records, each filing its own compliance reports and setting its own rates.
- B
- B
- B
Overview
We track home safety data for 2 ZIP codes in Twin Falls, Idaho, covering 3 community water systems serving approximately 61,968 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. 2 health-based violations appear in the available health breakdown.
Home Safety Score
Average Home Safety Score for Twin Falls: B (76/100)
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
Twin Falls water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0040 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
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 2 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 | 10 | 1 |
| Stage 1 DBP Rule | Treatment Technique | 6 | 1 |
| Stage 2 DBP Rule | Treatment Technique | 6 | 1 |
| Consumer Confidence Report Rule | Reporting | 6 | 1 |
| Barium | Inorganic | 4 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 83301 | B | 19 | 2 | City of Twin Falls |
All ZIP Codes in Twin Falls
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 Twin 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
Key Contaminants Detected in Twin Falls
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Twin Falls: Remediation Cost in Perspective
Across Twin Falls, the equity share taken up by estimated remediation is small - a favorable ratio for most property owners.
Remediation costs in Twin Falls are relatively low compared to home values. The $700–$3,200 estimated range is a small fraction of median property value. Home values are 13% below the Idaho average.
Protecting Children from Lead in Twin 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 Twin 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 Flood-Claim Evidence for Twin Falls
Historical NFIP data for Twin Falls contains 16 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $2,067. 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 <strong>$1,600</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.
Deep Dive Reports
Detailed analysis for Twin Falls, ID