waterbycounty

North Slope Borough Water Quality

North Slope Borough, Alaska

Water Grade

C

Water Score

53.7

Violations

1

State Rank

#3

of 22 (1 = best)

Water Quality Details

Water Quality Grade

C

Based on EPA compliance history and violation data

Water Score

53.7/100

Higher = better quality

Health Violations

1

Health-based violations

Violation Rate

11.6%

Systems with violations

Improve your water quality at home

Berkey filters remove 99.9%+ of contaminants from tap water.

Shop Berkey →

Sponsored

Test your tap water

Tap Score provides professional mail-in water testing.

Get Tested →

Frequently Asked Questions

What is the water quality in North Slope Borough, Alaska?
North Slope Borough, Alaska has a water quality grade of C with a score of 53.7/100, based on EPA Safe Drinking Water Information System data. The county has 1 health-based drinking water violation on record.
Are there any water violations in North Slope Borough?
North Slope Borough has 1 health-based drinking water violation recorded by the EPA. 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 North Slope Borough water compare to the Alaska average?
North Slope Borough's water quality score of 53.7/100 is higher 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 water quality data.
Is tap water safe to drink in North Slope Borough?
Based on EPA data, North Slope Borough has a water quality grade of C (53.7/100). This indicates moderate water quality. Some violations have been recorded but overall compliance is maintained. For the most up-to-date information, contact your local water utility or review your Consumer Confidence Report (CCR).
Does North Slope Borough have clean drinking water?
North Slope Borough has 1 health-based drinking water violation according to EPA records. With a water quality score of 53.7/100 and grade C, the county's drinking water has had some compliance issues but continues to be monitored. For the most current safety information, check with your local water utility.
How does North Slope Borough rank for water quality in Alaska?
North Slope Borough ranks #3 out of 22 counties in Alaska by water quality score (1 = best). With a score of 53.7/100, it falls in the top third of counties statewide. Rankings are based on EPA Safe Drinking Water Information System (SDWIS) data including health-based violations and compliance records.

Counties with Similar Water Quality

Anchorage Municipality

Alaska

C

52.4

Water score

Fairbanks North Star Borough

Alaska

D

47.8

Water score

Juneau City and Borough

Alaska

C

62.0

Water score

Data Source

Water quality data sourced 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.

Explore more data for North Slope Borough

Property TaxCost of LivingCrime RateIncomeHealthSchoolsDisaster RiskWeatherCounty Score