Is AQUARION-PLAINVILLE REGIONAL's water safe to drink?
AQUARION-PLAINVILLE REGIONAL 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 18,231 people through 6,622 service connections.
How this compares nationally
Out of 12,903 systems in this dataset, AQUARION-PLAINVILLE REGIONAL ranks 7,601th by violation burden (41th percentile) - 34 violations total, 1 health-based.
How AQUARION-PLAINVILLE REGIONAL compares within CT
CT's 73 covered systems average 2.6 health-based violations each; AQUARION-PLAINVILLE REGIONAL carries 1, not more than typical for the state. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for AQUARION-PLAINVILLE REGIONAL is from 2026-01-02 (health-based: 2026-01-02). Last reported to EPA: 06/29/2026.
What kind of problem, specifically
AQUARION-PLAINVILLE REGIONAL'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: Groundwater 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 this data is and is not
This is what AQUARION-PLAINVILLE REGIONAL 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. This record - 1 health-based violation on file for AQUARION-PLAINVILLE REGIONAL - 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.