BOX ELDER: EPA violation history, explained
BOX ELDER had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. It serves 14,000 people through 4,022 service connections.
BOX ELDER's record against the rest of the country
145 total violations and 17 health-based ones put BOX ELDER at the 92th percentile nationally for violation burden, rank 1,047 of 12,903.
Against the SD average
SD's 74 covered systems average 3.0 health-based violations each; BOX ELDER carries 17, more than typical for the state. See the lead and copper guide for why lead counts differently.
Most recent violation on record
BOX ELDER's most recent violation on record is dated 2025-01-07, with the most recent health-based one dated 2025-01-07. Last reported to EPA: 06/17/2026.
The concern categories on record
BOX ELDER'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:
- Radionuclides - flagged from: Combined Radium (-226 and -228); Gross Alpha, Excl. Radon and U
The most severe category on record is radionuclides, which points toward a reverse osmosis-class filter if you want to address it directly.
What BOX ELDER's record does not cover
BOX ELDER'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. This record - 17 health-based violations on file for BOX ELDER - 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.