Mountain Lakes Water Dep, NJ Water Quality
What's in Mountain Lakes Water Dep's water?
Mountain Lakes Water Dep's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. Population served: 4,012, over 1,501 connections.
Ranked against every other system in this dataset
Out of 12,903 systems in this dataset, Mountain Lakes Water Dep ranks 9,250th by violation burden (28th percentile) - 321 violations total, 0 health-based.
How Mountain Lakes Water Dep compares within NJ
NJ's 273 covered systems average 5.2 health-based violations each; Mountain Lakes Water Dep carries 0, not more than typical for the state. 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 Mountain Lakes Water Dep is from 2027-06-12. Last reported to EPA: 06/30/2026.
What this data is and is not
This is what Mountain Lakes Water Dep 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. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 321 logged violations can see. The guide to what this data misses covers that gap.