NPS-GRANT GROVE: EPA violation history, explained

NPS-GRANT GROVE's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. It serves 2,950 people through 100 service connections.

NPS-GRANT GROVE's record against the rest of the country

4 total violations and 0 health-based ones put NPS-GRANT GROVE at the 11th percentile nationally for violation burden, rank 11,484 of 12,903.

How NPS-GRANT GROVE compares within CA

NPS-GRANT GROVE's 0 health-based violations sit within the CA average of 5.8, across 803 systems statewide. 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 NPS-GRANT GROVE is from 2025-02-07. Last reported to EPA: 06/22/2026.

What this data is and is not

Everything on this page is NPS-GRANT GROVE'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 NPS-GRANT GROVE's customers' taps is household plumbing, invisible to a system-level record ranked 11,484th of 12,903 by violation count. The guide to what this data misses covers that gap.