What's in NAVAL SUPPORT ACTIVITY PORTSMOUTH's water?
NAVAL SUPPORT ACTIVITY PORTSMOUTH has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 17,000, over 260 connections.
NAVAL SUPPORT ACTIVITY PORTSMOUTH's record against the rest of the country
20 total violations and 17 health-based ones put NAVAL SUPPORT ACTIVITY PORTSMOUTH at the 91th percentile nationally for violation burden, rank 1,107 of 12,903.
Against the VA average
VA's 186 covered systems average 4.2 health-based violations each; NAVAL SUPPORT ACTIVITY PORTSMOUTH carries 17, more than typical for the state. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
NAVAL SUPPORT ACTIVITY PORTSMOUTH's most recent violation on record is dated 2013-01-10, with the most recent health-based one dated 2013-01-10. Last reported to EPA: 05/19/2026.
The concern categories on record
NAVAL SUPPORT ACTIVITY PORTSMOUTH'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)
- Disinfection byproducts - flagged from: TTHM
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 NAVAL SUPPORT ACTIVITY PORTSMOUTH's record does not cover
This is what NAVAL SUPPORT ACTIVITY PORTSMOUTH reported to its state primacy agency and EPA under the Safe Drinking Water Act - real regulatory record, not a lab test of your specific tap. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 20 logged violations can see. The guide to what this data misses covers that gap.