What's in GSWC-SOUTH ARCADIA's water?

GSWC-SOUTH ARCADIA's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. It serves 27,072 people through 7,666 service connections.

Ranked against every other system in this dataset

2 total violations and 0 health-based ones put GSWC-SOUTH ARCADIA at the 8th percentile nationally for violation burden, rank 11,918 of 12,903.

How GSWC-SOUTH ARCADIA compares within CA

Among the 803 CA systems in this dataset, the average is 5.8 health-based violations - GSWC-SOUTH ARCADIA's 0 is at or below that. 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 GSWC-SOUTH ARCADIA is from 2001-08-06. Last reported to EPA: 06/22/2026.

What this data is and is not

GSWC-SOUTH ARCADIA's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. This record - 0 health-based violations on file for GSWC-SOUTH ARCADIA - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.