What's in CITY OF DERIDDER WATER SYSTEM's water?
CITY OF DERIDDER WATER SYSTEM had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. Population served: 14,400, over 4,800 connections.
How this compares nationally
Out of 12,903 systems in this dataset, CITY OF DERIDDER WATER SYSTEM ranks 4,461th by violation burden (65th percentile) - 8 violations total, 4 health-baseds.
How CITY OF DERIDDER WATER SYSTEM compares within LA
Among the 347 LA systems in this dataset, the average is 12.6 health-based violations - CITY OF DERIDDER WATER SYSTEM's 4 is at or below that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for CITY OF DERIDDER WATER SYSTEM is from 2025-05-10 (health-based: 2025-05-10). Last reported to EPA: 06/23/2026.
What kind of problem, specifically
CITY OF DERIDDER 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:
- Lead & copper - flagged from: LEAD AND COPPER RULE REVISIONS
- Microbial contamination / treatment technique - flagged from: Coliform (TCR)
The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.
What this data is and is not
This is what CITY OF DERIDDER WATER SYSTEM 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. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 8 logged violations can see. The guide to what this data misses covers that gap.