Is HERNDON, TOWN OF's water safe to drink?

HERNDON, TOWN OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 24,601 people through 5,595 service connections.

HERNDON, TOWN OF's record against the rest of the country

HERNDON, TOWN OF has 2 violations on record in total, 1 of them health-based - ranking it 9,098th of 12,903 systems by violation count, the 29th percentile nationally.

How HERNDON, TOWN OF compares within VA

Among the 186 VA systems in this dataset, the average is 4.2 health-based violations - HERNDON, TOWN OF's 1 is at or below that. The clean-record guide covers what a comparison like this can hide.

Most recent violation on record

The last violation EPA has on record for HERNDON, TOWN OF is from 2007-01-09 (health-based: 2007-01-09). Last reported to EPA: 05/19/2026.

What kind of problem, specifically

HERNDON, TOWN OF's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:

• Microbial contamination / treatment technique - flagged from: Coliform (TCR)

The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.

What this data is and is not

HERNDON, TOWN OF's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 2 logged violations can see. The guide to what this data misses covers that gap.