What's in GOLDEN STATE WATER CO - ARDEN WATER SERV's water?
GOLDEN STATE WATER CO - ARDEN WATER SERV has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 5,658 people get their water from it, across 1,736 connections.
GOLDEN STATE WATER CO - ARDEN WATER SERV's record against the rest of the country
3 total violations and 1 health-based ones put GOLDEN STATE WATER CO - ARDEN WATER SERV at the 30th percentile nationally for violation burden, rank 9,014 of 12,903.
How GOLDEN STATE WATER CO - ARDEN WATER SERV compares within CA
Among the 803 CA systems in this dataset, the average is 5.8 health-based violations - GOLDEN STATE WATER CO - ARDEN WATER SERV's 1 is at or below that. 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 GOLDEN STATE WATER CO - ARDEN WATER SERV is from 2008-01-02 (health-based: 2005-01-03). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
GOLDEN STATE WATER CO - ARDEN WATER SERV's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:
- Microbial contamination / treatment technique - flagged from: Coliform (TCR)
The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.
What this data is and is not
GOLDEN STATE WATER CO - ARDEN WATER SERV'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. Between the utility's meter and GOLDEN STATE WATER CO - ARDEN WATER SERV's customers' taps is household plumbing, invisible to a system-level record ranked 9,014th of 12,903 by violation count. The guide to what this data misses covers that gap.