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Northumberland County Water Quality

Northumberland County, Pennsylvania

Water Grade

B

Water Score

63.2

Violations

4

State Rank

#9

of 67 (1 = best)

Water Quality Details

Water Quality Grade

B

Based on EPA compliance history and violation data

Water Score

63.2/100

Higher = better quality

Health Violations

4

Health-based violations

Violation Rate

4.6%

Systems with violations

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Frequently Asked Questions

What is the water quality in Northumberland County, Pennsylvania?
Northumberland County, Pennsylvania has a water quality grade of B with a score of 63.2/100, based on EPA Safe Drinking Water Information System data. The county has 4 health-based drinking water violations on record.
Are there any water violations in Northumberland County?
Northumberland County has 4 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 Northumberland County water compare to the Pennsylvania average?
Northumberland County's water quality score of 63.2/100 is higher than the Pennsylvania state average of 38.9. The average water quality grade across Pennsylvania is F, based on data from 67 counties with available water quality data.
Is tap water safe to drink in Northumberland County?
Based on EPA data, Northumberland County has a water quality grade of B (63.2/100). 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 Northumberland County have clean drinking water?
Northumberland County has 4 health-based drinking water violations according to EPA records. With a water quality score of 63.2/100 and grade B, 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 Northumberland County rank for water quality in Pennsylvania?
Northumberland County ranks #9 out of 67 counties in Pennsylvania by water quality score (1 = best). With a score of 63.2/100, 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

Lehigh County

Pennsylvania

B

63.8

Water score

Allegheny County

Pennsylvania

C

62.0

Water score

Westmoreland County

Pennsylvania

B

65.0

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.

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