Iron in Wyoming well water
In Wyoming, iron was detected in 80% of 3,223 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 Wyoming 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 Wyoming: 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 |
|---|---|---|---|---|---|
| Natrona | no limit | 65 | 98% | 180 | 24,000 ug/L |
| Hot Springs | no limit | 69 | 97% | 100 | 22,000 ug/L |
| Campbell | no limit | 374 | 95% | 410 | 900,000 ug/L |
| Sweetwater | no limit | 254 | 93% | 261 | 71,000 ug/L |
| Johnson | no limit | 96 | 93% | 220 | 19,000 ug/L |
| Washakie | no limit | 45 | 91% | 110 | 3,600 ug/L |
| Fremont | no limit | 187 | 89% | 100 | 19,000 ug/L |
| Weston | no limit | 124 | 89% | 70 | 54,000 ug/L |
| Big Horn | no limit | 87 | 89% | 50 | 11,000 ug/L |
| Carbon | no limit | 245 | 88% | 270 | 130,000 ug/L |
| Park | no limit | 133 | 84% | 40 | 38,000 ug/L |
| Crook | no limit | 114 | 84% | 205 | 17,000 ug/L |
| Uinta | no limit | 40 | 83% | 30 | 6,400 ug/L |
| Converse | no limit | 103 | 80% | 80 | 110,000 ug/L |
| Sheridan | no limit | 96 | 77% | 140 | 25,000 ug/L |
- Thermopolis West CCD, Hot Springs County100% detected of 40
- Green River North CCD, Sweetwater County96% detected of 152
- Hanna CCD, Carbon County96% detected of 116
- Yellowstone National Park CCD, Teton County96% detected of 156
- Gillette South CCD, Campbell County95% detected of 236
- Gillette North CCD, Campbell County95% detected of 138
- Kaycee CCD, Johnson County94% detected of 62
- Buffalo CCD, Johnson County91% detected of 34
- Hulett CCD, Crook County90% detected of 42
- South Big Horn CCD, Big Horn County90% detected of 40
- Wind River Reservation CCD, Fremont County89% detected of 132
- Rock Springs North CCD, Sweetwater County89% detected of 47
- Moorcroft CCD, Crook County88% detected of 32
- Newcastle CCD, Weston County87% detected of 95
- Yellowstone National Park CCD, Park County87% detected of 75
- Central Big Horn CCD, Big Horn County86% detected of 37
- Sheridan CCD, Sheridan County86% detected of 44
- Rawlins CCD, Carbon County84% detected of 95
- Wamsutter CCD, Sweetwater County83% detected of 42
- Douglas CCD, Converse County81% detected of 78
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.