WaterVerge

Is Scammon Bay, AK Tap Water Safe to Drink?

Graded D+, with 23 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

637 residents served 1 water system PWSID: AK2270184
Overall Score
51 / 100
Violations
23 active
Last Updated
May 2026
Source
Surface water
#34 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

Scammon Bay, AK — Water Quality Report

Scammon Bay's drinking water received a grade of D+ (51 out of 100), indicating poor water quality. The city's 1 water system serves approximately 637 residents using surface water.

Lead levels were measured at 0.0 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 1092 violations on record, including 41 health-based violations. 23 remain unresolved.

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

What to know about Scammon Bay's water

Scammon Bay ranks #34 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, Scammon Bay may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 138 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 0.0 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 Scammon Bay, AK water safe to drink?

Concerns Identified

Scammon Bay'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 637 residents using surface water (rivers, lakes, or reservoirs).

23
Active Violations
0.0 ppb
Lead (90th %ile)

Recent water quality updates for Scammon Bay

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

Update
Water quality data updated

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

Violation
2 drinking water violations recorded

Contaminants: Revised Total Coliform Rule, Chlorine.

Violation
2 drinking water violations recorded

Contaminants: Interim Enhanced Surface Water Treatment Rule, Surface Water Treatment Rule.

Violation
2 drinking water violations recorded

Contaminants: Interim Enhanced Surface Water Treatment Rule, Surface Water Treatment Rule.

Key contaminant findings

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

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Scammon Bay's water system has 1,092 total violations on record, including 41 health-based violations. 23 remain unresolved. 138 violations were issued in the last 5 years.

MONMRTTOtherMCL
Most recent violations:
Dec 2025 Revised Total Coliform Rule Resolved
Dec 2025 Chlorine Resolved
Nov 2025 Interim Enhanced Surface Water Treatment Rule Resolved
Nov 2025 Surface Water Treatment Rule Resolved
Oct 2025 Interim Enhanced Surface Water Treatment Rule Resolved

Where does Scammon Bay's water come from?

Scammon Bay's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 637 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Scammon Bay residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Scammon Bay'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
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Compliance Record

Violation summary

1092
Total violations
41
Health-based
23
Active / unresolved
Dec 2025
Most recent violation
Compliance Record

Violations & advisories

1092 Total
23 Active
41 Health-based
1069 Resolved
8 SNC
Violations by category
Surface Water Treatment Rule
310
Volatile Organic Chemicals
227
Synthetic Organic Chemicals
122
Total Coliform Rule
88
Inorganic Chemicals
84
Jan 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2022 Active
Public Notice
Other Violation 0
Jan 2022 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2021 Active
Consumer Confidence Rule
Other Violation 0
Jan 2021 Active
Surface Water Treatment Rule
Treatment Technique
Health-Based Health 0
Oct 2020 Active
Consumer Confidence Rule
Other Violation 0
Jan 2019 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2017 Active
Consumer Confidence Rule
Other Violation 0
Oct 2016 Active
Consumer Confidence Rule
Other Violation 0
Apr 2016 Active
Revised Total Coliform Rule
Other Violation 0
Jan 2016 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2014 Active
Consumer Confidence Rule
Other Violation 0
Jun 2010 Active
Ground Water Rule
Other Violation 0
Jul 2008 Active
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2006 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 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
Jan 2004 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2003 Active
Consumer Confidence Rule
Other Violation 0
Showing 20 of 1092 violations

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 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 0.0 ppb from 1995 (0.0 ppb) to 2027 (0.0 ppb).
Contaminant Rankings

See how Scammon Bay compares by contaminant

Explore where Scammon Bay ranks among all Alaska cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Native American
Population Served
637
Water Systems
1
Water Source

Where Scammon Bay's water comes from

Surface Water

Scammon Bay'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 637 people through 1 water system.

Infrastructure

Water systems serving Scammon Bay

System Name PWSID Population Source
SCAMMON BAY WATER SYSTEM AK2270184 637 SW
Regional Comparison

How Scammon Bay compares

Full Alaska rankings →

Scammon Bay'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.

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

About Scammon Bay, AK

Wikipedia →

Scammon Bay is a city in Kusilvak Census Area, Alaska, United States. As of the 2020 census, Scammon Bay had a population of 600.

Economic Profile
$36,250
Median Income
$114,574
Median Home Value
26.7%
Unemployment
Community
21.2
Median Age
417
People / sq mi
5.7%
College Educated
62.7%
Homeownership
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Frequently asked questions

Is Scammon Bay, AK tap water safe to drink?

Scammon Bay's water quality earned a grade of D+ (51/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #34 out of 79 cities tested in Alaska.

What contaminants are in Scammon Bay's water?

Lead was measured at 0.0 ppb (90th percentile). 1092 violations are on record.

How is Scammon Bay'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 Scammon Bay?

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

Where does Scammon Bay's water come from?

Scammon Bay's water is sourced from Surface water. The city has 1 water system serving approximately 637 residents.

What health violations has Scammon Bay's water system had?

Scammon Bay has 41 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. 23 violations remain unresolved.

How does Scammon Bay's water compare to other cities?

Scammon Bay ranks #34 out of 79 cities in Alaska (better than 57% of state cities) and #12949 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 Scammon Bay's small water system affect quality?

Scammon Bay's system serves approximately 637 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 1092 violations on record.