What's in OAK HILLS WSC's water?

OAK HILLS WSC's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. It serves 6,225 people through 2,075 service connections.

How this compares nationally

Out of 12,903 systems in this dataset, OAK HILLS WSC ranks 12,038th by violation burden (7th percentile) - 2 violations total, 0 health-baseds.

How OAK HILLS WSC compares within TX

TX's 1,633 covered systems average 6.7 health-based violations each; OAK HILLS WSC carries 0, not more than typical for the state. The filter guide explains what a violation like this actually calls for.

Most recent violation on record

The last violation EPA has on record for OAK HILLS WSC is from 2027-06-12. Last reported to EPA: 06/26/2026.

What this data is and is not

Everything on this page is OAK HILLS WSC'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 OAK HILLS WSC's customers' taps is household plumbing, invisible to a system-level record ranked 12,038th of 12,903 by violation count. The guide to what this data misses covers that gap.