Manganese in Wyoming well water
In Wyoming, manganese was detected in 70% of 1,660 tested private well samples.
Manganese stains fixtures and laundry above 50 ug/L. EPA's health advisory is 300 ug/L; infants are the most sensitive, and newer research links elevated manganese to neurological effects in children. It is one of the most common private well problems in New England.
Check your manganese 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 manganese
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 manganese
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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 manganese
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 manganese 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 |
|---|---|---|---|---|---|
| Fremont | no limit | 83 | 93% | 43.8 | 2,020 ug/L |
| Campbell | no limit | 169 | 92% | 320 | 15,000 ug/L |
| Hot Springs | no limit | 37 | 92% | 20 | 910 ug/L |
| Carbon | no limit | 144 | 87% | 72.5 | 15,600 ug/L |
| Converse | no limit | 61 | 85% | 20 | 3,000 ug/L |
| Sweetwater | no limit | 208 | 85% | 40 | 3,540 ug/L |
| Park | no limit | 44 | 80% | 24.6 | 580 ug/L |
| Crook | no limit | 47 | 79% | 50 | 480 ug/L |
| Sheridan | no limit | 48 | 77% | 7.73 | 780 ug/L |
| Teton | no limit | 386 | 61% | 0.37 | 5,500 ug/L |
| Sublette | no limit | 53 | 58% | 0.83 | 160 ug/L |
| Albany | no limit | 32 | 53% | 3.05 | 1,700 ug/L |
| Laramie | no limit | 60 | 50% | 0.035 | 77 ug/L |
| Niobrara | no limit | 32 | 34% | 0 | 240 ug/L |
| Goshen | no limit | 30 | 33% | 0 | 170 ug/L |
- Yellowstone National Park CCD, Teton County100% detected of 35
- Gillette South CCD, Campbell County96% detected of 98
- Hanna CCD, Carbon County95% detected of 80
- Green River North CCD, Sweetwater County93% detected of 136
- Wind River Reservation CCD, Fremont County89% detected of 55
- Gillette North CCD, Campbell County87% detected of 71
- Douglas CCD, Converse County86% detected of 43
- Rawlins CCD, Carbon County83% detected of 47
- Rock Springs North CCD, Sweetwater County58% detected of 38
- Jackson Hole CCD, Teton County57% detected of 350
- Kemmerer East CCD, Lincoln County48% detected of 33
- Afton CCD, Lincoln County5% detected of 43
Sources
- Individual samples from the USGS Water Quality Portal and state monitoring, summarized per geography. manganese counts and shares are listed on each county and town page with their sources.