Is ROCHESTER HILLS's water safe to drink?

ROCHESTER HILLS's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. It serves 74,000 people through 24,105 service connections.

Ranked against every other system in this dataset

3 total violations and 0 health-based ones put ROCHESTER HILLS at the 10th percentile nationally for violation burden, rank 11,555 of 12,903.

How ROCHESTER HILLS compares within MI

MI's 390 covered systems average 1.3 health-based violations each; ROCHESTER HILLS 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

The last violation EPA has on record for ROCHESTER HILLS is from 2009-02-01. Last reported to EPA: 06/23/2026.

What this data is and is not

Everything on this page is ROCHESTER HILLS's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and ROCHESTER HILLS's customers' taps is household plumbing, invisible to a system-level record ranked 11,555th of 12,903 by violation count. The guide to what this data misses covers that gap.