DrinkingWaterCheck

Is SOUTH SIOUX CITY, CITY OF's water safe to drink?

SOUTH SIOUX CITY, CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 14,043, over 4,482 connections.

Ranked against every other system in this dataset

Out of 12,903 systems in this dataset, SOUTH SIOUX CITY, CITY OF ranks 9,197th by violation burden (29th percentile) - 1 violation total, 1 health-based.

Against the NE average

Among the 64 NE systems in this dataset, the average is 8.9 health-based violations - SOUTH SIOUX CITY, CITY OF's 1 is at or below that. The clean-record guide covers what a comparison like this can hide.

Most recent violation on record

SOUTH SIOUX CITY, CITY OF's most recent violation on record is dated 2000-01-08, with the most recent health-based one dated 2000-01-08. Last reported to EPA: 06/30/2026.

The concern categories on record

SOUTH SIOUX CITY, CITY OF'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 microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.

What SOUTH SIOUX CITY, CITY OF's record does not cover

This is what SOUTH SIOUX CITY, CITY OF 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 SOUTH SIOUX CITY, CITY OF's customers' taps is household plumbing, invisible to a system-level record ranked 9,197th of 12,903 by violation count. The guide to what this data misses covers that gap.