What's in CITY OF CHESAPEAKE - NORTHWEST RIVER SYS's water?
CITY OF CHESAPEAKE - NORTHWEST RIVER SYS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 165,240, over 56,976 connections.
CITY OF CHESAPEAKE - NORTHWEST RIVER SYS's record against the rest of the country
CITY OF CHESAPEAKE - NORTHWEST RIVER SYS has 18 violations on record in total, 3 of thems health-based - ranking it 5,054th of 12,903 systems by violation count, the 61th percentile nationally.
How CITY OF CHESAPEAKE - NORTHWEST RIVER SYS compares within
CITY OF CHESAPEAKE - NORTHWEST RIVER SYS's 3 health-based violations sit within the average of 11.2, across 244 systems statewide. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
The last violation EPA has on record for CITY OF CHESAPEAKE - NORTHWEST RIVER SYS is from 2003-01-08 (health-based: 2003-01-08). Last reported to EPA: 05/19/2026.
What kind of problem, specifically
CITY OF CHESAPEAKE - NORTHWEST RIVER SYS'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: Interim Enhanced Surface Water Treatment Rule
- Other regulated metals - flagged from: Fluoride
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
Everything on this page is CITY OF CHESAPEAKE - NORTHWEST RIVER SYS's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 3 health-based violations on file for CITY OF CHESAPEAKE - NORTHWEST RIVER SYS - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.