waterbycounty

Prince William County Water Quality

Prince William County, Virginia

Water Grade

A

Water Score

70.6

Violations

3

State Rank

#45

of 95 (1 = best)

Water Quality Details

Water Quality Grade

A

Based on EPA compliance history and violation data

Water Score

70.6/100

Higher = better quality

Health Violations

3

Health-based violations

Violation Rate

0.7%

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 Prince William County, Virginia?
Prince William County, Virginia has a water quality grade of A with a score of 70.6/100, based on EPA Safe Drinking Water Information System data. The county has 3 health-based drinking water violations on record.
Are there any water violations in Prince William County?
Prince William County has 3 health-based drinking water violations 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 Prince William County water compare to the Virginia average?
Prince William County's water quality score of 70.6/100 is higher than the Virginia state average of 57.7. The average water quality grade across Virginia is D, based on data from 95 counties with available water quality data.
Is tap water safe to drink in Prince William County?
Based on EPA data, Prince William County has a water quality grade of A (70.6/100). This indicates good to excellent water quality with strong compliance. For the most up-to-date information, contact your local water utility or review your Consumer Confidence Report (CCR).
Does Prince William County have clean drinking water?
Prince William County has 3 health-based drinking water violations according to EPA records. With a water quality score of 70.6/100 and grade A, 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 Prince William County rank for water quality in Virginia?
Prince William County ranks #45 out of 95 counties in Virginia by water quality score (1 = best). With a score of 70.6/100, it falls in the middle 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

Montgomery County

Virginia

B

69.0

Water score

Loudoun County

Virginia

B

68.6

Water score

Spotsylvania County

Virginia

B

66.0

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 Prince William County

Property TaxCost of LivingCrime RateIncomeHealthSchoolsDisaster RiskWeatherCounty Score