South Naknek, AK: 1 Health Violation — 98/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-04
The water systems supplying South Naknek show a track record of above-average compliance with federal standards — consistently among the better performers in AK.
How South Naknek Compares
Data: EPA SDWIS Last verified: 2026-06-04
Key Facts for South Naknek Residents
- Your city's water systems recorded 15 violations in the past 5 years.
- Average lead level: 0.0038 mg/L.
- Homes built before 1986: 69% — older plumbing may contain lead solder.
- Estimated remediation: $300 per household.
- CDC health risk index: 13.42 — above typical levels.
South Naknek's Water Providers
Water service in South Naknek, AK is organized around a single utility — one of 1 tracked by regulator, and the one that manages the local distribution network while holding primary responsibility for EPA compliance reporting.
Overview
We track water quality and home safety data for 1 ZIP code in South Naknek, Alaska, covering 1 community water system serving approximately 66 people.
1 of 1 ZIP code (100%) have recorded EPA violations. 1 health-based violation documented.
Home Safety Score
Average Home Safety Score for South Naknek: A (98/100)
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
South Naknek water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0038 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting | 20 | 1 |
| Lead | Inorganic | 6 | 1 |
| Stage 1 DBP Rule | Treatment Technique | 2 | 1 |
| Contaminant 0700 | Other | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 99670 | A | 15 | 1 | South Naknek Water System |
All ZIP Codes in South Naknek
- 99670 [A] — 15 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.
South Naknek Community Health Snapshot
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
What's in South Naknek's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
South Naknek Infrastructure Age
With 69% 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
Plumbing risk in older housing is defined by two eras: the pre-1970 period when lead pipes were commonly used for service lines, and the 1970-to-1986 period when lead solder remained standard in copper plumbing until the federal ban. South Naknek's median build year of 1974 lands in a range where both eras are heavily represented in the housing stock. That creates an elevated aggregate environment for plumbing-related lead exposure — one that city-level water quality averages don't capture, because the risk sits inside individual properties rather than in the distribution system.
Over half of homes in South Naknek were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in South Naknek
At current valuations, South Naknek sits in the low remediation-share tier — the equity impact of fixing documented issues is proportionally minor.
Remediation costs in South Naknek are relatively low compared to home values. The $150–$600 estimated range is a small fraction of median property value. Home values are 47% below the Alaska average.
South Naknek: Lead Risk & Vulnerable Populations
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.
Despite citywide averages serving as the standard public reference point, those aggregates cannot resolve what is happening at one specific faucet — and where 69% of South Naknek homes come from before the solder rule or where utility samples sit at or above the action mark, the gap between system data and faucet reality matters more than it does in lower-exposure communities. An in-home draw closes that gap, with certified filtration through retailer networks available where confirmed faucet results warrant additional measures.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Deep Dive Reports
Detailed analysis for South Naknek, AK