Anchorage, AK: 7 Health Violations - Home Safety 80/100
25 ZIP codes · 19 water systems · Updated
ZipCheckup grade for Anchorage: B.
The model grade is high, but the records on this page include findings worth reviewing.
Your top priority: match a filter's certification to the violations (7 health-based violations). NSF certified filters →
Based on available records, Anchorage, AK holds an A or B ZipCheckup grade.
How Anchorage Compares
Data: EPA SDWIS
Water Quality Map: Anchorage, AK
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
How ZIP codes in Anchorage score across all safety grades.
What You Should Know About Anchorage Water
- Your city's water systems recorded 45 violations since 2021.
- Average of reported 90th-percentile lead results: 0.0018 mg/L.
- Estimated remediation: $800 per household.
- Health risk index (ZipCheckup composite of CDC data): 11.53.
Who Supplies Your Water in Anchorage
Counting every public water system linked to Anchorage, AK in federal data gives 19. The list below keeps the 3 largest by reported population served, a figure that covers each system's whole service area rather than the city alone. A household's own supplier is named on its water bill.
- B
- B
- B
Overview
We track home safety data for 25 ZIP codes in Anchorage, Alaska, covering 19 community water systems serving approximately 241,374 people. The EPA snapshots used for this build directly map water systems to 11 of 25 ZIP codes.
11 of 11 ZIP codes with a reported violation count in the available EPA record (100%) have recorded EPA violations. 7 health-based violations appear in the available health breakdown.
Home Safety Score
Average Home Safety Score for Anchorage: B (80/100)
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
Anchorage water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0018 mg/L (EPA action level: 0.015 mg/L)
- 0 of 11 ZIP codes with known status exceed the EPA lead action level
Radon Risk
25 of 25 ZIP records with known zones are in EPA Radon Zone 3.
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 |
|---|---|---|---|
| Chlorine | Disinfectant | 22 | 6 |
| Lead and Copper Rule | Treatment Technique | 17 | 11 |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 13 | 11 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 12 | 11 |
| Revised Total Coliform Rule | Microbiological | 11 | 2 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 99503 | B | 15 | 3 | Moa Municipality of Anchorage |
| 99504 | B | 14 | 0 | Moa Municipality of Anchorage |
| 99508 | B | 10 | 1 | Moa Municipality of Anchorage |
| 99516 | B | 9 | 1 | Moa Municipality of Anchorage |
| 99507 | B | 8 | 3 | Moa Municipality of Anchorage |
| 99501 | B | 6 | 0 | Moa Municipality of Anchorage |
| 99502 | B | 5 | 0 | Moa Municipality of Anchorage |
| 99515 | B | 5 | 0 | Moa Municipality of Anchorage |
| 99513 | — | 3 | 0 | Moa Municipality of Anchorage |
| 99517 | B | 3 | 0 | Moa Municipality of Anchorage |
All ZIP Codes in Anchorage
- 99501 [B] - 6 violations
- 99502 [B] - 5 violations
- 99503 [B] - 15 violations ⚠
- 99504 [B] - 14 violations
- 99507 [B] - 8 violations ⚠
- 99508 [B] - 10 violations ⚠
- 99509
- 99510
- 99511
- 99513 - 3 violations recorded for mapped water systems
- 99514
- 99515 [B] - 5 violations
- 99516 [B] - 9 violations ⚠
- 99517 [B] - 3 violations
- 99518 - 3 violations recorded for mapped water systems
- 99519
- 99520
- 99521
- 99522
- 99523
- 99524
- 99529
- 99530
- 99599
- 99695
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 Anchorage
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
Top Contaminants in Anchorage Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Cost Context: What Remediation Means for Anchorage Homeowners
In Anchorage, estimated remediation comes to 1% or less of the median home value.
Estimated remediation costs in Anchorage can be compared with local home values. The $500–$1,267 estimated range can be set against the median property value; actual costs vary by home. Home values are 88% above the Alaska average.
Lead Exposure Risk for Children in Anchorage
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 Anchorage 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 NFIP Claim Context in Anchorage
Historical NFIP data for Anchorage contains 69 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $8,684. 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 $800 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 Anchorage, AK