DrinkingWaterCheck

TOWN OF SUNNYVALE: EPA violation history, explained

TOWN OF SUNNYVALE's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. 8,839 people get their water from it, across 3,348 connections.

Ranked against every other system in this dataset

24 total violations and 0 health-based ones put TOWN OF SUNNYVALE at the 23th percentile nationally for violation burden, rank 9,930 of 12,903.

How TOWN OF SUNNYVALE compares within TX

Among the 1,633 TX systems in this dataset, the average is 6.7 health-based violations - TOWN OF SUNNYVALE's 0 is at or below that. The clean-record guide covers what a comparison like this can hide.

Most recent violation on record

The last violation EPA has on record for TOWN OF SUNNYVALE is from 2023-06-12. Last reported to EPA: 06/26/2026.

What this data is and is not

This is what TOWN OF SUNNYVALE 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 - 0 health-based violations on file for TOWN OF SUNNYVALE - 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.