WaterVerge

Is Chugiak, AK Tap Water Safe to Drink?

Graded D+, with 134 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

836 residents served 10 water systems PWSID: AK2210794
Overall Score
50 / 100
Violations
134 active
Last Updated
May 2026
Source
Groundwater
#37 of 79 in Alaska Top 84% nationally
Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
D+GRADE
Water Quality Grade
50/100
waterverge.com
D+ 50/100

Chugiak, AK — Water Quality Report

Chugiak's drinking water received a grade of D+ (50 out of 100), indicating poor water quality. The city's 10 water systems serve approximately 836 residents using groundwater.

Lead levels were measured at 1.8 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 2375 violations on record, including 12 health-based violations. 134 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Chugiak's water

Chugiak ranks #37 out of 79 cities in Alaska for water quality, placing it mid-range in the state.

Chugiak relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

As a small community water system, Chugiak may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 460 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
50 out of 100 Grade D+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
0/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.8 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Chugiak, AK water safe to drink?

Concerns Identified

Chugiak's drinking water has significant quality concerns based on EPA testing data. With a grade of D+ (50/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 10 water systems serve approximately 836 residents using groundwater (wells).

134
Active Violations
1.8 ppb
Lead (90th %ile)

Recent water quality updates for Chugiak

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Chugiak's water quality assessment. Grade: D+ (50/100).

Violation
2 drinking water violations recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
54 drinking water violations recorded

Contaminants: Consumer Confidence Rule, trans-1,2-Dichloroethylene, OXAMYL.

Key contaminant findings

Based on the most recent EPA sampling data for Chugiak's water supply.

Lead Within Limits
Detected: 1.8 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Chugiak's water system has 2,375 total violations on record, including 12 health-based violations. 134 remain unresolved. 460 violations were issued in the last 5 years.

MONOtherMRRPTTTMCL
Most recent violations:
Dec 2025 Revised Total Coliform Rule Resolved
Dec 2025 Revised Total Coliform Rule Resolved
Nov 2025 Revised Total Coliform Rule Resolved
Oct 2025 Consumer Confidence Rule Open
Oct 2025 trans-1,2-Dichloroethylene Resolved

Where does Chugiak's water come from?

Chugiak's drinking water comes from groundwater (wells), supplied by 10 water systems serving approximately 836 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Ship C Nr Anchorage (river).

What Chugiak residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Chugiak's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
1.8 ppb
EPA Action Level: 15 ppb · 12% of limit
Safe Level
Compliance Record

Violation summary

2375
Total violations
12
Health-based
134
Active / unresolved
Dec 2025
Most recent violation
Compliance Record

Violations & advisories

2375 Total
134 Active
12 Health-based
2241 Resolved
Violations by category
Volatile Organic Chemicals
1180
Synthetic Organic Chemicals
590
Total Coliform Rule
135
Inorganic Chemicals
129
Radionuclides and Revised Rad Rule
73
Oct 2025 Active
Consumer Confidence Rule
Other Violation 0
Oct 2025 Active
Consumer Confidence Rule
Other Violation 0
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Apr 2025 Active
Public Notice
Other Violation 0
Feb 2025 Active
Public Notice
Other Violation 0
Jan 2025 Active
Public Notice
Other Violation 0
Dec 2024 Active
Public Notice
Other Violation 0
Nov 2024 Active
Public Notice
Other Violation 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
Public Notice
Other Violation 0
Oct 2024 Active
Consumer Confidence Rule
Other Violation 0
Jul 2024 Active
Consumer Confidence Rule
Other Violation 0
Apr 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Mar 2024 Active
Public Notice
Other Violation 0
Feb 2024 Active
Public Notice
Other Violation 0
Jan 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Showing 20 of 2375 violations

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.8 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 4.0 ppb from 1993 (5.8 ppb) to 2026 (1.8 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Private
Population Served
836
Water Systems
10
Water Source

Where Chugiak's water comes from

Groundwater

Chugiak's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by private ownership and serves approximately 836 people through 10 water systems.

Local Hydrology

Water bodies near Chugiak

Chugiak is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Ship C Nr Anchorage
river
Infrastructure

Water systems serving Chugiak

System Name PWSID Population Source
FOREST PARK TC AK2210794 175 GW
OASIS WATER - MCKINLEY VIEW DIV AK2210697 130 GW
BIRCHWOOD MHP AK2213297 120 GW
TROLL KNOLL S/D AK2210778 99 GW
PETERS CREEK TERRACE AK2211473 70 GW
BEAR MOUNTAIN CONDO ASSN. AK2213239 65 GW
PETERS CREEK MANOR APTS AK2213768 48 GW
PETERS CREEK TERRACE APTS. AK2213530 48 GW
EKLUTNA GATE AK2213019 45 GW
SKY MANOR WELLHOUSE AK2218807 36 GW
Regional Comparison

How Chugiak compares

Full Alaska rankings →

Chugiak's score of 50/100 is below the average of 61/100 among major Alaska cities. It outscores 4 of 10 nearby cities. 6 of 10 nearby cities score higher.

Chugiak (this city)
50
Anchorage
38.5
Fairbanks
38.4
Juneau
65.4
Wasilla
42.5
Alaska avg
61
City Profile

About Chugiak, AK

Wikipedia →

Chugiak is an unincorporated community in the Municipality of Anchorage in the U.S. state of Alaska, situated approximately 20 miles (32 km) northeast of downtown Anchorage.

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Frequently asked questions

Is Chugiak, AK tap water safe to drink?

Chugiak's water quality earned a grade of D+ (50/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #37 out of 79 cities tested in Alaska.

What contaminants are in Chugiak's water?

Lead was measured at 1.8 ppb (90th percentile). 2375 violations are on record.

How is Chugiak's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Chugiak?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Chugiak's water come from?

Chugiak's water is sourced from Groundwater. The city has 10 water systems serving approximately 836 residents.

What health violations has Chugiak's water system had?

Chugiak has 12 health-based violations on record. The most recent violation was recorded in December 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 134 violations remain unresolved.

Is Chugiak's groundwater at risk of contamination?

Chugiak uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 2375 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Chugiak's water compare to other cities?

Chugiak ranks #37 out of 79 cities in Alaska (better than 53% of state cities) and #13169 out of 15744 cities nationally (16th percentile). The grade of D+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.