WaterVerge

Is Shishmaref, AK Tap Water Safe to Drink?

Graded D+, with 17 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

572 residents served 1 water system PWSID: AK2340484
Overall Score
51 / 100
Violations
17 active
Last Updated
May 2026
Source
Surface water
#36 of 79 in Alaska Top 82% nationally
Native American
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
D+GRADE
Water Quality Grade
51/100
waterverge.com
D+ 51/100

Shishmaref, AK — Water Quality Report

Shishmaref's drinking water received a grade of D+ (51 out of 100), indicating poor water quality. The city's 1 water system serves approximately 572 residents using surface water.

Lead levels were measured at 0.3 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 919 violations on record, including 114 health-based violations. 17 remain unresolved.

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

What to know about Shishmaref's water

Shishmaref ranks #36 out of 79 cities in Alaska for water quality, placing it mid-range 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.

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

The system has seen 47 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
51 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 0.3 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 Shishmaref, AK water safe to drink?

Concerns Identified

Shishmaref's drinking water has significant quality concerns based on EPA testing data. With a grade of D+ (51/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 572 residents using surface water (rivers, lakes, or reservoirs).

17
Active Violations
0.3 ppb
Lead (90th %ile)

Recent water quality updates for Shishmaref

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Shishmaref's water quality assessment. Grade: D+ (51/100).

Violation
1 drinking water violation recorded

Contaminants: Surface Water Treatment Rule.

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Violation
3 drinking water violations recorded

Contaminants: Chlorine, Revised Total Coliform Rule, Surface Water Treatment Rule.

Key contaminant findings

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

Lead Within Limits
Detected: 0.3 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Shishmaref's water system has 919 total violations on record, including 114 health-based violations. 17 remain unresolved. 47 violations were issued in the last 5 years.

MRMONMCLTTOther
Most recent violations:
Dec 2025 Surface Water Treatment Rule Resolved
Jul 2025 TTHM Resolved
Jul 2025 Total Haloacetic Acids (HAA5) Resolved
Jun 2025 Chlorine Resolved
Jun 2025 Revised Total Coliform Rule Resolved

Where does Shishmaref's water come from?

Shishmaref's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 572 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Shishmaref residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Shishmaref'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
0.3 ppb
EPA Action Level: 15 ppb · 2% of limit
Safe Level
Compliance Record

Violation summary

919
Total violations
114
Health-based
17
Active / unresolved
Dec 2025
Most recent violation
Compliance Record

Violations & advisories

919 Total
17 Active
114 Health-based
902 Resolved
42 SNC
Violations by category
Surface Water Treatment Rule
272
Synthetic Organic Chemicals
192
Volatile Organic Chemicals
120
Stage 1 Disinfectants and Disinfection Byproducts Rule
98
Total Coliform Rule
79
Jun 2022 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2020 Active
Consumer Confidence Rule
Other Violation 0
Oct 2019 Active
Consumer Confidence Rule
Other Violation 0
Jul 2019 Active
Consumer Confidence Rule
Other Violation 0
Jan 2017 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2016 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2012 Active
Consumer Confidence Rule
Other Violation 0
Jan 2012 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2010 Active
Stage 2 Disinfectants and Disinfection Byproducts Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2008 Active
Consumer Confidence Rule
Other Violation 0
Jul 2008 Active
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2006 Active
Consumer Confidence Rule
Other Violation 0
Jul 2005 Active
Consumer Confidence Rule
Other Violation 0
Jan 2005 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2004 Active
Consumer Confidence Rule
Other Violation 0
Jul 2003 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Dec 2025 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jul 2025 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2025
Jul 2025 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2025
Showing 20 of 919 violations

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.3 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 increased by 0.3 ppb from 1994 (0.0 ppb) to 2023 (0.3 ppb).
Contaminant Rankings

See how Shishmaref compares by contaminant

Explore where Shishmaref ranks among all Alaska cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Native American
Population Served
572
Water Systems
1
Water Source

Where Shishmaref's water comes from

Surface Water

Shishmaref'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 572 people through 1 water system.

Infrastructure

Water systems serving Shishmaref

System Name PWSID Population Source
SHISHMAREF WATER SYSTEM AK2340484 572 SW
Regional Comparison

How Shishmaref compares

Full Alaska rankings →

Shishmaref's score of 51/100 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.

Shishmaref (this city)
51
Anchorage
38.5
Fairbanks
38.4
Juneau
65.4
Wasilla
42.5
Alaska avg
61
City Profile

About Shishmaref, AK

Economic Profile
$56,875
Median Income
$137,616
Median Home Value
$900/mo
Median Rent
28.4%
Unemployment
Community
30.2
Median Age
94
People / sq mi
9%
College Educated
72.7%
Homeownership
Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail

Frequently asked questions

Is Shishmaref, AK tap water safe to drink?

Shishmaref's water quality earned a grade of D+ (51/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #36 out of 79 cities tested in Alaska.

What contaminants are in Shishmaref's water?

Lead was measured at 0.3 ppb (90th percentile). 919 violations are on record.

How is Shishmaref'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 Shishmaref?

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

Where does Shishmaref's water come from?

Shishmaref's water is sourced from Surface water. The city has 1 water system serving approximately 572 residents.

What health violations has Shishmaref's water system had?

Shishmaref has 114 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. 17 violations remain unresolved.

How does Shishmaref's water compare to other cities?

Shishmaref ranks #36 out of 79 cities in Alaska (better than 54% of state cities) and #12951 out of 15744 cities nationally (18th percentile). The grade of D+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Shishmaref's small water system affect quality?

Shishmaref's system serves approximately 572 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 919 violations on record.