DrinkingWaterCheck

SOUTH MESA WC: EPA violation history, explained

SOUTH MESA WC has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 10,108, over 3,108 connections.

SOUTH MESA WC's record against the rest of the country

SOUTH MESA WC has 8 violations on record in total, 2 of thems health-based - ranking it 6,648th of 12,903 systems by violation count, the 48th percentile nationally.

Against the CA average

CA's 803 covered systems average 5.8 health-based violations each; SOUTH MESA WC carries 2, not more than typical for the state. See the lead and copper guide for why lead counts differently.

Most recent violation on record

SOUTH MESA WC's most recent violation on record is dated 2014-01-07, with the most recent health-based one dated 2014-01-07. Last reported to EPA: 06/22/2026.

The concern categories on record

SOUTH MESA WC'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:

The most severe category on record is other regulated metals, which points toward a reverse osmosis-class filter if you want to address it directly.

What SOUTH MESA WC's record does not cover

Everything on this page is SOUTH MESA WC'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 SOUTH MESA WC's customers' taps is household plumbing, invisible to a system-level record ranked 6,648th of 12,903 by violation count. The guide to what this data misses covers that gap.