WEST COLUMBIA CITY OF (SC3210004): EPA violation history, explained

WEST COLUMBIA CITY OF (SC3210004) has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 34,028, over 15,789 connections.

Ranked against every other system in this dataset

WEST COLUMBIA CITY OF (SC3210004) has 16 violations on record in total, 1 of them health-based - ranking it 7,924th of 12,903 systems by violation count, the 39th percentile nationally.

Against the SC average

WEST COLUMBIA CITY OF (SC3210004)'s 1 health-based violations sit within the SC average of 3.8, across 198 systems statewide. The filter guide explains what a violation like this actually calls for.

Most recent violation on record

WEST COLUMBIA CITY OF (SC3210004)'s most recent violation on record is dated 2016-01-04, with the most recent health-based one dated 2016-01-04. Last reported to EPA: 06/29/2026.

The concern categories on record

WEST COLUMBIA CITY OF (SC3210004)'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:

• Disinfection byproducts - flagged from: Total Haloacetic Acids (HAA5)

The most severe category on record is disinfection byproducts, which points toward a carbon-class filter if you want to address it directly.

What WEST COLUMBIA CITY OF (SC3210004)'s record does not cover

WEST COLUMBIA CITY OF (SC3210004)'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 WEST COLUMBIA CITY OF (SC3210004)'s customers' taps is household plumbing, invisible to a system-level record ranked 7,924th of 12,903 by violation count. The guide to what this data misses covers that gap.