Epcor - San Tan Anthem, AZ Water Quality
Epcor - San Tan Anthem: EPA violation history, explained
Epcor - San Tan Anthem's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. Population served: 10,362, over 4,318 connections.
Epcor - San Tan Anthem's record against the rest of the country
29 total violations and 0 health-based ones put Epcor - San Tan Anthem at the 24th percentile nationally for violation burden, rank 9,816 of 12,903.
Against the AZ average
AZ's 210 covered systems average 8.0 health-based violations each; Epcor - San Tan Anthem carries 0, not more than typical for the state. See the lead and copper guide for why lead counts differently.
Most recent violation on record
Epcor - San Tan Anthem's most recent violation on record is dated 2024-01-10. Last reported to EPA: 05/14/2026.
What Epcor - San Tan Anthem's record does not cover
This is what Epcor - San Tan Anthem 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. Between the utility's meter and Epcor - San Tan Anthem's customers' taps is household plumbing, invisible to a system-level record ranked 9,816th of 12,903 by violation count. The guide to what this data misses covers that gap.