What's in ROSLYN CITY OF's water?
ROSLYN CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 2,099 people get their water from it, across 710 connections.
How this compares nationally
ROSLYN CITY OF has 12 violations on record in total, 1 of them health-based - ranking it 8,128th of 12,903 systems by violation count, the 37th percentile nationally.
Against the WA average
ROSLYN CITY OF's 1 health-based violations sit within the WA average of 3.7, across 322 systems statewide. See the lead and copper guide for why lead counts differently.
Most recent violation on record
ROSLYN CITY OF's most recent violation on record is dated 2025-01-07, with the most recent health-based one dated 1992-01-01. Last reported to EPA: 06/19/2026.
The concern categories on record
ROSLYN CITY 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: Surface Water Treatment Rule
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 ROSLYN CITY OF's record does not cover
Everything on this page is ROSLYN CITY OF's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and ROSLYN CITY OF's customers' taps is household plumbing, invisible to a system-level record ranked 8,128th of 12,903 by violation count. The guide to what this data misses covers that gap.