Iron in Louisiana well water
In Louisiana, iron was detected in 100% of 934 tested private well samples.
Iron is a nuisance rather than a health hazard: rust stains, metallic taste, and clogged fixtures above 300 ug/L. It often occurs with manganese and can feed iron bacteria that foul plumbing.
Check your iron number
Type the value from your lab report. It is compared to the EPA limit, the same way the full interpretation does it.
Getting it fixed
Book a free in-home water test with a licensed local company, or see the treatment guide for what removes iron.
By county, from individual samples
Public monitoring samples against the EPA limit; counties with at least 30 samples.
| County | Samples | Detected | Above EPA limit | Median | Highest |
|---|---|---|---|---|---|
| Ascension | 49 | 100% | no limit | 1,680 | 104,000 ug/L |
| Calcasieu | 41 | 100% | no limit | 8040 | 119,000 ug/L |
| East Baton Rouge | 53 | 100% | no limit | 1,820 | 108,000 ug/L |
| Morehouse | 33 | 100% | no limit | 20,800 | 348,000 ug/L |
| Rapides | 40 | 100% | no limit | 1,365 | 96,900 ug/L |
| Vernon | 36 | 100% | no limit | 1,615 | 44,800 ug/L |
- District 3, Ascension Parish100% detected of 37
Sources
- Individual samples from the USGS Water Quality Portal and state monitoring, summarized per geography. iron counts and shares are listed on each county and town page with their sources.