WaterVerge

Is Kotzebue, AK Tap Water Safe to Drink?

Graded F — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

3K residents served 1 water system PWSID: AK2340060
Overall Score
43 / 100
Violations
5 active
Last Updated
May 2026
Source
Surface water
#72 of 79 in Alaska Top 93% nationally
Native American
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
FGRADE
Water Quality Grade
43/100
waterverge.com
F 43/100

Kotzebue, AK — Water Quality Report

Kotzebue's drinking water received a grade of F (43 out of 100), indicating failing water quality. The city's 1 water system serves approximately 3,234 residents using surface water.

Lead levels were measured at 7.5 ppb (90th percentile), which is within EPA limits but above recommended levels. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 259 violations on record, including 108 health-based violations. 5 remain unresolved.

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

What to know about Kotzebue's water

Kotzebue ranks #72 out of 79 cities in Alaska for water quality, placing it among the lowest-rated in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

While lead levels are within EPA limits, they are above the recommended 5 ppb threshold that health organizations consider ideal. A point-of-use filter adds an extra layer of protection.

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

The system has seen 44 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
43 out of 100 Grade F
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
12/20
C
Lead at 7.5 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Kotzebue, AK water safe to drink?

Concerns Identified

Kotzebue's drinking water has significant quality concerns based on EPA testing data. With a grade of F (43/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 3,234 residents using surface water (rivers, lakes, or reservoirs).

5
Active Violations
7.5 ppb
Lead (90th %ile)

Recent water quality updates for Kotzebue

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Kotzebue's water quality assessment. Grade: F (43/100).

Violation
3 drinking water violations recorded

1 health-based. Contaminants: Total Haloacetic Acids (HAA5), TTHM.

Violation
2 drinking water violations recorded

2 health-based. Contaminants: Total Haloacetic Acids (HAA5), TTHM.

Violation
2 drinking water violations recorded

2 health-based. Contaminants: Total Haloacetic Acids (HAA5), TTHM.

Key contaminant findings

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

Lead Elevated
Detected: 7.5 ppb Limit: 15 ppb (EPA Action Level)

Within EPA limits but above the American Academy of Pediatrics recommended level of 1 ppb. An NSF 53-certified filter provides additional protection.

Copper Exceeds Limit
Detected: 1.40 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Kotzebue's water system has 259 total violations on record, including 108 health-based violations. 5 remain unresolved. 44 violations were issued in the last 5 years.

MRMCLTTOther
Most recent violations:
Oct 2025 Total Haloacetic Acids (HAA5) Resolved
Oct 2025 TTHM Resolved
Oct 2025 TTHM Resolved
Jul 2025 Total Haloacetic Acids (HAA5) Resolved
Jul 2025 TTHM Resolved

Where does Kotzebue's water come from?

Kotzebue's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 3,234 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Kotzebue residents can do

Install a water filter

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

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

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
7.5 ppb
EPA Action Level: 15 ppb · 50% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
1.40 mg/L
EPA Action Level: 1.3 mg/L · +8% over limit
Exceeds Limit
Compliance Record

Violation summary

259
Total violations
108
Health-based
5
Active / unresolved
Oct 2025
Most recent violation
Compliance Record

Violations & advisories

259 Total
5 Active
108 Health-based
254 Resolved
40 SNC
Violations by category
Volatile Organic Chemicals
77
Stage 2 Disinfectants and Disinfection Byproducts Rule
74
Stage 1 Disinfectants and Disinfection Byproducts Rule
42
Surface Water Treatment Rule
25
Inorganic Chemicals
15
Apr 2022 Active
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2010 Active
Stage 2 Disinfectants and Disinfection Byproducts Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2010 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2008 Active
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Oct 2025 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Oct 2025 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 2025
Oct 2025 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jul 2025 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Sep 2025
Jul 2025 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Sep 2025
Apr 2025 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Jun 2025
Apr 2025 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Jun 2025
Jan 2025 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Mar 2025
Jan 2025 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Mar 2025
Oct 2024 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Dec 2024
Oct 2024 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 2024
Jul 2024 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Sep 2024
Jul 2024 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Sep 2024
Apr 2024 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Jun 2024
Apr 2024 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Jun 2024
Showing 20 of 259 violations
Industrial pollution

Top industrial polluters within 10 miles of Kotzebue

Industrial polluters nearby

Reported releases to surface water by facilities near Kotzebue, ranked by pounds discharged annually.

Total reported releases to surface water: 7,023 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
RED DOG OPERATIONS
Metal Mining · TECK AMERICAN INC
KOTZEBUE, AK99752
Ammonia7,0222.7 mi
CROWLEY KOTZEBUE BULK FUEL FACILITY
Petroleum Bulk Terminals · CROWLEY FUELS LLC
KOTZEBUE, AK99752
Lead compounds02.7 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Recommended water filters

Based on contaminants detected in Kotzebue's water supply, we recommend the following filter types.

🚰
For Lead
Reverse Osmosis or NSF 53-Certified Pitcher
Lead detected at 7.5 ppb
Read our guide →
🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 7.5 15 ppb Inorganic Safe
Copper (90th percentile) 1.40 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 7.5 ppb from 1994 (15.0 ppb) to 2025 (7.5 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has decreased by 0.010 mg/L from 1994 (1.410 mg/L) to 2018 (1.400 mg/L).
Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Native American
Population Served
3,234
Water Systems
1
Water Source

Where Kotzebue's water comes from

Surface Water

Kotzebue's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by native american ownership and serves approximately 3,234 people through 1 water system.

Infrastructure

Water systems serving Kotzebue

System Name PWSID Population Source
KOTZEBUE MUN. WATER SYSTEM AK2340060 3,234 SW
Regional Comparison

How Kotzebue compares

Full Alaska rankings →

Kotzebue's score of 43/100 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.

Kotzebue (this city)
43
Anchorage
38.5
Fairbanks
38.4
Juneau
65.4
Wasilla
42.5
Alaska avg
61
City Profile

About Kotzebue, AK

Wikipedia →

Kotzebue or Qikiqtaġruk is a city in the Northwest Arctic Borough in the U.S. state of Alaska. It is the borough's seat, by far its largest community and the economic and transportation hub of the subregion of Alaska encompassing the borough. The population of the city was 3,102 as of the 2020 census, down from 3,201 in 2010.

Economic Profile
$101,071
Median Income
$240,782
Median Home Value
$1,633/mo
Median Rent
5.7%
Unemployment
Community
31.2
Median Age
48
People / sq mi
19.3%
College Educated
43.7%
Homeownership
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Frequently asked questions

Is Kotzebue, AK tap water safe to drink?

Kotzebue's water quality earned a grade of F (43/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #72 out of 79 cities tested in Alaska.

What contaminants are in Kotzebue's water?

Lead was measured at 7.5 ppb (90th percentile). 259 violations are on record.

How is Kotzebue'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 Kotzebue?

While lead levels are within EPA limits, a filter adds extra protection. Based on current data, basic filtration should suffice for additional peace of mind.

Where does Kotzebue's water come from?

Kotzebue's water is sourced from Surface water. The city has 1 water system serving approximately 3,234 residents.

What health violations has Kotzebue's water system had?

Kotzebue has 108 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 5 violations remain unresolved.

How does Kotzebue's water compare to other cities?

Kotzebue ranks #72 out of 79 cities in Alaska (better than 9% of state cities) and #14683 out of 15744 cities nationally (7th percentile). The grade of F reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Kotzebue's small water system affect quality?

Kotzebue's system serves approximately 3,234 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 259 violations on record.