What's in PRVWSD-TWIN HARBOR's water?
PRVWSD-TWIN HARBOR had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. 2,973 people get their water from it, across 1,126 connections.
PRVWSD-TWIN HARBOR's record against the rest of the country
160 total violations and 2 health-based ones put PRVWSD-TWIN HARBOR at the 56th percentile nationally for violation burden, rank 5,714 of 12,903.
How PRVWSD-TWIN HARBOR compares within MS
Among the 349 MS systems in this dataset, the average is 3.2 health-based violations - PRVWSD-TWIN HARBOR's 2 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 PRVWSD-TWIN HARBOR is from 2025-05-10 (health-based: 2025-05-10). Last reported to EPA: 05/18/2026.
What kind of problem, specifically
PRVWSD-TWIN HARBOR'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)
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
Everything on this page is PRVWSD-TWIN HARBOR's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 2 health-based violations on file for PRVWSD-TWIN HARBOR - 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.