West Baton Rouge Parish Water Quality

Name: West Baton Rouge Parish Water Quality Data (2026)
Creator: PurityMap
License: https://creativecommons.org/licenses/by/4.0/

West Baton Rouge Parish, Louisiana: one city report built from EPA and utility records. A county has many suppliers; each city shows the system that serves it.

Find my system Open on the map

Across the county's systems

Highest result for each contaminant

One row per contaminant: the highest result any system in the county reported, against its limit. Open a row for the systems behind it.

LithiumWEST BATON ROUGE WATER WORKS DISTRICT 210 µg/L EPA health reference level (screening, not a legal limit) · US EPA9.9 µg/L

WEST BATON ROUGE WATER WORKS DISTRICT 29.9 µg/LSample date: 2024-11-20 to 2025-05-28

Lead (90th percentile)WEST BATON ROUGE WATER WORKS DISTRICT 215 µg/L federal action level · US EPA1 µg/L

WEST BATON ROUGE WATER WORKS DISTRICT 21 µg/LMonitoring period: 2024–2026 (still open)

29 PFAS tested, none detected in this systemShow

Tested in this system: WEST BATON ROUGE WATER WORKS DISTRICT 2

11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)
1H, 1H, 2H, 2H-perfluorodecane sulfonic acid (8:2 FTS)
1H, 1H, 2H, 2H-perfluorohexane sulfonic acid (4:2 FTS)
1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS)
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)
9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS)
Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals)
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)
Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA)
Perfluoro-3-methoxypropanoic acid (PFMPA)
Perfluoro-4-methoxybutanoic acid (PFMBA)
Perfluorobutanesulfonic acid (PFBS)
Perfluorobutanoic acid (PFBA)
Perfluorodecanoic acid (PFDA)
Perfluorododecanoic acid (PFDoA)
Perfluoroheptanesulfonic acid (PFHpS)
Perfluoroheptanoic acid (PFHpA)
Perfluorohexanesulfonic acid (PFHxS)
Perfluorohexanoic acid (PFHxA)
Perfluorononanoic acid (PFNA)
Perfluorooctanesulfonic acid (PFOS)
Perfluorooctanoic acid (PFOA)
Perfluoropentanesulfonic acid (PFPeS)
Perfluoropentanoic acid (PFPeA)
Perfluorotetradecanoic acid (PFTA)
Perfluorotridecanoic acid (PFTrDA)
Perfluoroundecanoic acid (PFUnA)

1 city

Cities ranked by the records

1
AddisWEST BATON ROUGE WATER WORKS DISTRICT 2
No PFAS detectedLead below action level
Open city report →

Showing 1 of 1 cities · scores are system-level, not tap tests

Ranked by the Purity Score of each city's main water system, highest first. Scores belong to water systems; there is no county score. The score is computed only from contaminants measured in the published EPA record, so this ranks the record, not which city's water is safest. How the score works.

PFAS in West Baton Rouge ParishPFAS detected in 0 of 1 city; none above a federal limit

4.0 ng/L federal MCL · PFOS, ng/LPFAS in Louisiana

Lead

0of 1 city above the 15 µg/L action level

Based on each system's 90th-percentile result. Lead from household plumbing isn't in this record.

Lead in Louisiana

Who supplies the county

Largest water systems

AddisWEST BATON ROUGE WATER WORKS DISTRICT 2 · LA1121018
13,437 served

Questions

Frequently asked

How does West Baton Rouge Parish tap water compare across cities?

PurityMap ranks 1 city in West Baton Rouge Parish by the Purity Score of each city's main water system, computed only from contaminants measured in the published EPA record. Scores belong to water systems, not to cities. The highest published score is Addis's main water system: WEST BATON ROUGE WATER WORKS DISTRICT 2 · PWSID LA1121018 · Purity Score 99 (Excellent) · Confidence: moderate · Assessed at the water-system level. The ranking compares the records, not which city's water is safest, and your own tap can differ with household plumbing.

How many West Baton Rouge Parish cities have PFAS above the federal limit?

None of the 1 West Baton Rouge Parish cities on record had a regulated PFAS above the 2024 federal limit in EPA's UCMR 5 testing. PFAS were detected below the limit in 0.

Is there lead in West Baton Rouge Parish tap water?

Utilities report lead as a 90th-percentile result from home taps. 1 of 1 West Baton Rouge Parish cities reported a value above zero, and none was above the 15 µg/L federal action level. Lead usually comes from a building's own pipes and fixtures, so only a test at your tap tells you what you drink.

Next step

Follow West Baton Rouge Parish's water

Get an email when a city record in the county changes.

Find my water

FOLLOW THIS COUNTY

Record changes only

We email when places in West Baton Rouge Parish get new results. Unsubscribe any time.

Double opt-in: we email a confirmation link. Unsubscribe anytime. No spam.