Is PIONEER DARNELL WATER SYSTEM's water safe to drink?
PIONEER DARNELL WATER SYSTEM has at least one health-based violation EPA's ECHO database still lists as unaddressed - the required fix has not been reported complete. It serves 2,190 people through 730 service connections.
How this compares nationally
Out of 12,903 systems in this dataset, PIONEER DARNELL WATER SYSTEM ranks 5,413th by violation burden (58th percentile) - 8 violations total, 3 health-baseds.
How PIONEER DARNELL WATER SYSTEM compares within LA
PIONEER DARNELL WATER SYSTEM's 3 health-based violations sit within the LA average of 12.6, across 347 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 PIONEER DARNELL WATER SYSTEM is from 2025-03-12 (health-based: 2025-03-12). Last reported to EPA: 06/23/2026.
What kind of problem, specifically
PIONEER DARNELL 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:
- Microbial contamination / treatment technique - flagged from: Coliform (TCR); Groundwater Rule
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 this data is and is not
Everything on this page is PIONEER DARNELL WATER SYSTEM's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and PIONEER DARNELL WATER SYSTEM's customers' taps is household plumbing, invisible to a system-level record ranked 5,413th of 12,903 by violation count. The guide to what this data misses covers that gap.