What's in ONSLOW WTR AND SEWER AUTHORITY's water?
ONSLOW WTR AND SEWER AUTHORITY had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. It serves 156,755 people through 56,024 service connections.
Ranked against every other system in this dataset
76 total violations and 5 health-based ones put ONSLOW WTR AND SEWER AUTHORITY at the 74th percentile nationally for violation burden, rank 3,394 of 12,903.
How ONSLOW WTR AND SEWER AUTHORITY compares within NC
Among the 360 NC systems in this dataset, the average is 5.7 health-based violations - ONSLOW WTR AND SEWER AUTHORITY's 5 is at or below that. 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 ONSLOW WTR AND SEWER AUTHORITY is from 2026-04-10 (health-based: 2025-05-10). Last reported to EPA: 06/26/2026.
What kind of problem, specifically
ONSLOW WTR AND SEWER AUTHORITY'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:
- Lead & copper - flagged from: LEAD AND COPPER RULE REVISIONS
- Microbial contamination / treatment technique - flagged from: Coliform (TCR)
- Disinfection byproducts - flagged from: TTHM
The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.
What this data is and is not
ONSLOW WTR AND SEWER AUTHORITY'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. Between the utility's meter and ONSLOW WTR AND SEWER AUTHORITY's customers' taps is household plumbing, invisible to a system-level record ranked 3,394th of 12,903 by violation count. The guide to what this data misses covers that gap.