Tanacross, AK: 1 Health Violation — 78/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
EPA compliance records for Tanacross tell a largely clear story: violation rates are low, health-based exceedances are uncommon, and the city's grade puts it well above average within AK.
How Tanacross Compares
Data: EPA SDWIS Last verified: 2026-06-03
Tanacross Water: The Quick Version
- Your city's water systems recorded 35 violations in the past 5 years.
- Average lead level: 0.0003 mg/L.
- Homes built before 1986: 49% — older plumbing may contain lead solder.
- Estimated remediation: $300 per household.
- CDC health risk index: 13.24 — above typical levels.
Water Systems Serving Tanacross
One utility dominates residential water service in Tanacross, AK — out of 1 system in federal records.
Overview
We track water quality and home safety data for 1 ZIP code in Tanacross, Alaska, covering 1 community water system serving approximately 173 people.
1 of 1 ZIP code (100%) have recorded EPA violations. 1 health-based violation documented.
Home Safety Score
Average Home Safety Score for Tanacross: B (78/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Tanacross water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0003 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting | 46 | 1 |
| Contaminant 2959 | Other | 6 | 1 |
| Stage 1 DBP Rule | Treatment Technique | 6 | 1 |
| Lead | Inorganic | 4 | 1 |
| Surface Water Treatment Rule | Treatment Technique | 4 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 99776 | B | 35 | 1 | Tanacross Water System |
All ZIP Codes in Tanacross
- 99776 [B] — 35 violations ⚠
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
Updated daily.
CDC Health Data for Tanacross
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 Tanacross
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Old Is Tanacross's Housing Stock?
With 49% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Development in Tanacross unfolded across multiple decades, and the median build year of 1983 reflects a housing inventory where eras of construction are genuinely mixed — including portions that predate the federal prohibition on lead solder in plumbing.
Most homes in Tanacross were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Protecting Children from Lead in Tanacross
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.
Locally, 49% of Tanacross homes carry interior plumbing from the era when lead solder was still permitted in new builds, and citywide monitoring approaches or crosses the EPA action benchmark. Households can find a draw-test kit and certified filtration through verified retailers.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Deep Dive Reports
Detailed analysis for Tanacross, AK