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EPA SDWIS

Bristol Bay Borough Water Quality

Bristol Bay Borough, Alaska

Water Grade

F

Water Score

1.4

Violations

3

State Rank

#17

of 22 (1 = best)

EPA SDWIS Compliance

Drinking Water Quality

Water Quality Grade

F

Based on EPA compliance history and violation data

Water Score

1.4/100

Higher = better quality

Health Violations

3

Health-based violations

Violation Rate

2362.2%

Systems with violations

Water Advisory: Bristol Bay Borough

Water Verdict

Bristol Bay Borough receives a poor water quality assessment with a grade of F and a score of 1.4 out of 100. The water supply has documented quality issues. Residents are strongly encouraged to use filtered or bottled water for drinking and to stay informed about utility improvement plans.

Violation Context

Bristol Bay Borough has recorded 3 health-based violations, indicating multiple instances where federal contaminant limits or treatment requirements were not met. At 2362.2 violations per 1,000 residents, this rate is high and signals significant water quality management issues.

Consumer Guidance

Residents of Bristol Bay Borough are advised to use filtered or bottled water for drinking and cooking until water quality improves. A reverse-osmosis or activated-carbon filter certified to remove the contaminants listed in the utility's Consumer Confidence Report is recommended. With 3 recorded health violations, staying informed about utility communications and boil-water notices is especially important. For long-term peace of mind, request your utility's latest Consumer Confidence Report and consider independent water testing if you have specific health concerns.

Regional Context

Bristol Bay Borough has poorer water quality than the average county in Alaska. Its water score is 18.4 points lower than the state average, suggesting more challenges with contamination control or infrastructure than neighboring counties.

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Frequently Asked Questions

What is the water quality in Bristol Bay Borough, Alaska?
Bristol Bay Borough, Alaska has a drinking-water quality grade of F with a score of 1.4/100, based on EPA SDWIS compliance data. The county has 3 health-based drinking water violations over the past 5 years. Watershed health, monitoring records, and live streamflow are reported separately on this page.
Are there any water violations in Bristol Bay Borough?
Bristol Bay Borough has 3 health-based drinking water violations recorded by the EPA over the past 5 years. Health-based violations indicate instances where contaminant levels exceeded EPA Maximum Contaminant Levels (MCLs). Violations may have been resolved — check with your local water utility for current status.
How does Bristol Bay Borough water compare to the Alaska average?
Bristol Bay Borough's SDWIS water quality score of 1.4/100 is lower than the Alaska state average of 19.8. The average water quality grade across Alaska is F, based on data from 22 counties with available SDWIS data.
Is tap water safe to drink in Bristol Bay Borough?
Based on EPA SDWIS data, Bristol Bay Borough has a water quality grade of F (1.4/100). This indicates below-average compliance with significant violations. Residents may want to consider home water filtration or independent testing. The grade speaks to the public water system, not the watershed — for watershed-level concerns, see the Watershed Health zone. For the most up-to-date information, contact your local water utility or review your Consumer Confidence Report (CCR).
Does Bristol Bay Borough have clean drinking water?
Bristol Bay Borough has 3 health-based drinking water violations according to EPA records. With a water quality score of 1.4/100 and grade F, the county's drinking water has had some compliance issues but continues to be monitored. Note: drinking-water compliance speaks to the public water system, not necessarily to the watershed itself — check the Watershed Health zone for ATTAINS §303(d) data.
How does Bristol Bay Borough rank for water quality in Alaska?
Bristol Bay Borough ranks #17 out of 22 counties in Alaska by SDWIS water quality score (1 = best). With a score of 1.4/100, it falls in the bottom third of counties statewide. The ranking reflects EPA SDWIS compliance only — not watershed impairment, monitoring density, or streamflow, which are tracked separately on this page.

Counties with Similar Water Quality

Bethel Census Area

Alaska

F

1.2

Water score

Nome Census Area

Alaska

F

1.0

Water score

Lake and Peninsula Borough

Alaska

F

0.7

Water score

Data Sources

Drinking-water compliance data from the EPA Safe Drinking Water Information System (SDWIS) via the ECHO enforcement database. Scores reflect compliance history and health-based violation counts.

Disclaimer: This data is informational only. It is not health, legal, or professional advice. For concerns about your specific water supply, contact your local water utility.

By Logan Johnson, Founder & Data EditorUpdated Reviewed by Logan Johnson, Founder & Data Editor

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