MARIN MUNICIPAL WATER DISTRICT: EPA violation history, explained

MARIN MUNICIPAL WATER DISTRICT's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. It serves 186,895 people through 60,868 service connections.

How this compares nationally

Out of 12,903 systems in this dataset, MARIN MUNICIPAL WATER DISTRICT ranks 12,233th by violation burden (5th percentile) - 1 violation total, 0 health-baseds.

Against the CA average

MARIN MUNICIPAL WATER DISTRICT's 0 health-based violations sit within the CA average of 5.8, across 803 systems statewide. The filter guide explains what a violation like this actually calls for.

What MARIN MUNICIPAL WATER DISTRICT's record does not cover

This is what MARIN MUNICIPAL WATER DISTRICT 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 MARIN MUNICIPAL WATER DISTRICT - 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.