What's in SIOUX RURAL WATER SYSTEM's water?
SIOUX RURAL WATER SYSTEM has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 4,280, over 1,712 connections.
SIOUX RURAL WATER SYSTEM's record against the rest of the country
Out of 12,903 systems in this dataset, SIOUX RURAL WATER SYSTEM ranks 8,748th by violation burden (32th percentile) - 5 violations total, 1 health-based.
How SIOUX RURAL WATER SYSTEM compares within SD
SIOUX RURAL WATER SYSTEM's 1 health-based violations sit within the SD average of 3.0, across 74 systems statewide. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for SIOUX RURAL WATER SYSTEM is from 2022-01-01 (health-based: 2020-01-04). Last reported to EPA: 06/17/2026.
What kind of problem, specifically
SIOUX RURAL WATER SYSTEM'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: TTHM
The most severe category on record is disinfection byproducts, which points toward a carbon-class filter if you want to address it directly.
What this data is and is not
Everything on this page is SIOUX RURAL WATER SYSTEM's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 1 health-based violation on file for SIOUX RURAL WATER SYSTEM - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.