What's in NORTHVILLE's water?

NORTHVILLE's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. It serves 6,119 people through 2,564 service connections.

NORTHVILLE's record against the rest of the country

7 total violations and 0 health-based ones put NORTHVILLE at the 16th percentile nationally for violation burden, rank 10,804 of 12,903.

Against the MI average

MI's 390 covered systems average 1.3 health-based violations each; NORTHVILLE carries 0, not more than typical for the state. See the lead and copper guide for why lead counts differently.

Most recent violation on record

NORTHVILLE's most recent violation on record is dated 2025-02-07. Last reported to EPA: 06/23/2026.

What NORTHVILLE's record does not cover

This is what NORTHVILLE 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. Between the utility's meter and NORTHVILLE's customers' taps is household plumbing, invisible to a system-level record ranked 10,804th of 12,903 by violation count. The guide to what this data misses covers that gap.