Iron in Oklahoma well water
In Oklahoma, iron was detected in 71% of 4,287 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.
Test your Oklahoma well for iron
Certified lab analysis of your own tap water, bottles and prepaid return shipping included. The Essential well panel covers arsenic, uranium, nitrate, lead, copper, manganese, iron, sodium and bacteria; radon and PFAS are add-ons.
Order the Tap Score well water test kit, from $209Already tested? Upload the report
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Systems that remove iron
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Some links below are affiliate links. If you buy through one, the merchant pays us a commission at no extra cost to you. It does not change which products we list or what the data says.
For iron
Iron and manganese oxidizing filter
whole-house, at the point of entry, about $1,800
Air-injection or greensand media; fixes staining at the source.
Rather have it installed and sized for your well? Book a free in-home water test with a licensed local company.
Where to get a well tested for iron in Oklahoma: certified labs, state programs and prices.
By county, from individual samples
Public monitoring samples against the EPA limit; counties with at least 30 samples.
| County | Above EPA limit | Samples | Detected | Median | Highest |
|---|---|---|---|---|---|
| Le Flore | no limit | 239 | 99% | 180 | 70,000 ug/L |
| Haskell | no limit | 169 | 99% | 100 | 20,000 ug/L |
| Coal | no limit | 83 | 99% | 70 | 14,800 ug/L |
| Latimer | no limit | 135 | 99% | 100 | 200,000 ug/L |
| Okmulgee | no limit | 35 | 97% | 110 | 3,500 ug/L |
| Rogers | no limit | 91 | 96% | 120 | 5,900 ug/L |
| Pittsburg | no limit | 209 | 95% | 120 | 2,090,000 ug/L |
| Craig | no limit | 62 | 92% | 95 | 9,800 ug/L |
| Ottawa | no limit | 364 | 91% | 195 | 700,000 ug/L |
| Osage | no limit | 155 | 85% | 10 | 11,000 ug/L |
| Major | no limit | 46 | 83% | 50 | 4,400 ug/L |
| Woods | no limit | 53 | 74% | 20 | 16,000 ug/L |
| Delaware | no limit | 42 | 69% | 14.3 | 290 ug/L |
| Canadian | no limit | 51 | 69% | 10 | 9,200 ug/L |
| Cleveland | no limit | 725 | 67% | 50 | 30,300 ug/L |
- Cameron CCD, Le Flore County100% detected of 43
- Hartshorne-Haileyville CCD, Pittsburg County100% detected of 39
- Spiro CCD, Le Flore County100% detected of 62
- Panama-Bokoshe CCD, Le Flore County100% detected of 65
- McCurtain CCD, Haskell County99% detected of 94
- Red Oak CCD, Latimer County99% detected of 91
- East Coal CCD, Coal County99% detected of 79
- Claremore CCD, Rogers County98% detected of 43
- Wilburton CCD, Latimer County98% detected of 40
- Stigler CCD, Haskell County97% detected of 34
- Wister CCD, Le Flore County97% detected of 33
- McAlester CCD, Pittsburg County96% detected of 84
- Kiowa-Pittsburg CCD, Pittsburg County95% detected of 38
- Miami CCD, Ottawa County94% detected of 105
- Hominy CCD, Osage County94% detected of 32
- Quinton CCD, Pittsburg County92% detected of 38
- Quapaw CCD, Ottawa County90% detected of 234
- North Craig CCD, Craig County89% detected of 35
- Norman CCD, Cleveland County83% detected of 332
- Pawhuska CCD, Osage County83% detected of 75
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.