Water Quality in Chugiak, AK: 30 Violations — Grade A
Grade A · Score 86/100 · 5 water systems · Updated 2026-05-03
Chugiak's water meets all EPA standards with no health-based violations.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
Chugiak in AK has 30 EPA water violations documented — the compliance history below covers what was flagged and which local systems are associated with each finding.
Water Quality by ZIP Code in Chugiak
Water quality varies across Chugiak's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 99567 | A | 94 | 30 | 1 | View report → |
Violation Trend
EPA violations recorded for water systems serving Chugiak.
Water Quality Overview
Chugiak, Alaska receives a water quality grade of A with an overall score of 86 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 5 water systems serving Chugiak have accumulated 30 EPA violations, including 1 health-based violation. These violations are tracked across 1 ZIP codes serving approximately 599 people.
What Grade A Means
A grade of A indicates excellent compliance with EPA drinking water standards. Chugiak's water systems have maintained strong performance in both contaminant monitoring and regulatory compliance.
Lead Levels
The average 90th percentile lead level across Chugiak water systems is 0.0017 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
With 52% of homes built before 1986, Chugiak has a higher-than-average risk of lead from older plumbing. Lead solder was banned in 1986, and homes built before this date may have lead in pipes, solder joints, or fixtures.
Radon Risk
Chugiak is in EPA Radon Zone 1 (High risk). The EPA recommends all homes in Zone 1 areas be tested for radon. Radon is the second leading cause of lung cancer after smoking.
Water Systems Serving Chugiak
Chugiak is served by 5 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 599 people across 1 ZIP codes.
Each water system is identified by a Public Water System ID (PWSID) and is required to:
- Test for over 90 regulated contaminants on a regular schedule
- Report results to the EPA and state regulators
- Issue an annual Consumer Confidence Report (CCR) to all customers
- Take corrective action when violations occur
The EPA has taken 10 enforcement actions against water systems serving Chugiak. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Chugiak
Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores
Request your CCR — your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants
Get a home test — certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel
Consider filtration — NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics
Check for advisories — monitor your local utility website and local news for boil water advisories or system alerts
Contaminants Detected in Chugiak Water Systems
The following contaminants have been detected or caused violations across Chugiak's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Lead and Copper Rule | Treatment Technique | N/A | 10 | 1 | No |
| Surface Water Treatment Rule | Treatment Technique | N/A | 3 | 1 | No |
| Lead | Inorganic | 0.015 mg/L | 2 | 1 | No |
| Combined Radium | Radionuclides | 5 pCi/L | 1 | 1 | No |
| Stage 1 DBP Rule | Treatment Technique | N/A | 1 | 1 | No |
| Chlorodibromoacetic Acid | Disinfection Byproducts | 0.06 mg/L | 1 | 1 | No |
MCL = Maximum Contaminant Level (EPA enforceable standard). Health-based violations indicate levels that may pose direct health risks.
Violation Trend Over Time
Year-by-year EPA violations recorded for water systems serving Chugiak:
| Year | Total Violations | Health-Based |
|---|---|---|
| 2022 | 1 | 1 |
| 2024 | 1 | 1 |
Violation counts have remained stable over the observed period.
EPA Enforcement History
The EPA and state regulators have taken 10 enforcement actions against water systems serving Chugiak. Recent actions:
| Date | Action Type |
|---|---|
| 2025-09-30 | State Order Extension |
| 2025-05-12 | State Informal Action |
| 2025-05-09 | State Informal Action |
| 2025-04-29 | State Informal Action |
| 2025-04-02 | State Order Extension |
| 2025-03-06 | State Order Extension |
| 2024-10-16 | State Order Extension |
| 2024-09-30 | State Order Extension |
| 2024-07-08 | State Order Extension |
| 2024-06-25 | State Order Extension |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-09-30.
Chugiak vs. Nearby Alaska Cities
How Chugiak's water quality compares to similar cities in Alaska:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Chugiak | A | 30 | 5 | 599 |
| Buckland | C | 65 | 1 | 600 |
| Point Lay | D | 0 | 1 | 600 |
| Wainwright | A | 5 | 1 | 600 |
Common Questions About Chugiak Water
These are the most common questions residents search for about water quality in Chugiak, Alaska:
Is Chugiak water hard or soft? Water hardness varies by source. Chugiak's 5 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Chugiak tap water? Chugiak's water receives a grade of A (86/100). There are 1 health-based violations — consider filtration.
What is the best water filter for Chugiak? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Chugiak vs. Alaska Average
Understanding how Chugiak compares to the broader Alaska average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.
To see how individual neighborhoods compare, check the ZIP code reports below — water quality can vary significantly even within Chugiak.
ZIP Codes in Chugiak
Chugiak spans 1 ZIP code. The ZIP with the lowest water quality score is 99567. Each ZIP code has its own water quality profile based on the specific water system serving that area. Check each ZIP code for detailed contaminant data, violation history, and system information.
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
- Enforcement: EPA ECHO database
- Filter recommendations: NSF/ANSI certified products
Updated daily.
Frequently Asked Questions
Your Water is Safe — Here's How to Keep It That Way
Grade A is excellent news. Here's what proactive homeowners do to maintain water quality:
Annual Water Testing
EPA recommends annual testing even with clean water. Home test kits: $20-$50. Catches changes before they become problems.
Maintenance Filtration
A basic carbon filter removes chlorine taste and catches emerging contaminants like PFAS that aren't yet fully regulated.
Plumbing Check
Even safe city water picks up lead from home pipes. If your home was built before 1986, a one-time pipe inspection is recommended.