- EPA's UCMR 5 testing looked for 30 contaminants here and found none.
- Lead: 9 in 10 homes tested came in at or below 0 ppb, at or below EPA's 15 ppb action level (latest EPA result for a testing period that ran on or after July 1, 2021: Jan 1, 2026–Jun 30, 2026). This is one number for the whole water system, from homes the utility tested. It isn't a result for your home.
- Health-standard violation: Lead and Copper Rule, LEAD AND COPPER RULE REVISIONS, Oct 2024–Jan 2025 (EPA SDWIS)
Public EPA test results
Can you drink DeRidder tap water? What EPA records show
EPA system ID LA1011001 · serves Beauregard Parish County, LA · about 14,400 people (EPA records)
Here's what EPA has on file for this water system: its testing for newer contaminants like PFAS (UCMR 5), lead testing and violations. It's not a test of your tap, and there's no Water Score here.
Public EPA test results
City of Deridder Water System (EPA LA1011001)
ScoreYourWater.com gives no verdict on your tap water; it shows what the public records say, as of October 14, 2026. For DeRidder's main utility, City of Deridder Water System: 1 health-standard violation since July 1, 2021 in EPA records (EPA SDWIS). PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
What EPA records show for City of Deridder Water System, as of October 14, 2026
Health-standard violation: Lead and Copper Rule, LEAD AND COPPER RULE REVISIONS, Oct 2024–Jan 2025 (EPA SDWIS).
Lead: 9 in 10 homes tested came in at or below 0 ppb, at or below EPA's 15 ppb action level (latest EPA result for a testing period that ran on or after July 1, 2021: Jan 1, 2026–Jun 30, 2026). This is one number for the whole water system, from homes the utility tested. It isn't a result for your home.
EPA's UCMR 5 testing looked for 30 contaminants here and found none.
PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026.
Your water bill names your utility.
Does City of Deridder Water System use chloramine?
We didn't find chloramine in City of Deridder Water System's EPA treatment records. That's not a complete list; your utility's annual water quality report says which disinfectant it uses.
What EPA records show for this system
Reported results in EPA records (data as of Oct 14–15, 2026)