What's in US ARMY FORT IRWIN's water?
US ARMY FORT IRWIN has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 15,701 people through 3,315 service connections.
Ranked against every other system in this dataset
62 total violations and 60 health-based ones put US ARMY FORT IRWIN at the 98th percentile nationally for violation burden, rank 198 of 12,903.
How US ARMY FORT IRWIN compares within CA
US ARMY FORT IRWIN's 60 health-based violations sit above the CA average of 5.8, across 803 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 US ARMY FORT IRWIN is from 2017-01-10 (health-based: 2016-01-04). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
US ARMY FORT IRWIN'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:
- Other regulated metals - flagged from: Arsenic; Fluoride
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 this data is and is not
US ARMY FORT IRWIN'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 - 60 health-based violations on file for US ARMY FORT IRWIN - 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.