Iron in South Dakota well water
In South Dakota, iron was detected in 83% of 12,596 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 South Dakota 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 South Dakota: 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 |
|---|---|---|---|---|---|
| Jones | no limit | 39 | 100% | 400 | 6,040 ug/L |
| Hand | no limit | 143 | 100% | 900 | 23,000 ug/L |
| Sully | no limit | 46 | 100% | 450 | 14,000 ug/L |
| Hyde | no limit | 58 | 100% | 805 | 52,000 ug/L |
| Jerauld | no limit | 57 | 100% | 670 | 9,400 ug/L |
| Davison | no limit | 102 | 100% | 675 | 38,000 ug/L |
| Campbell | no limit | 195 | 100% | 300 | 17,000 ug/L |
| Aurora | no limit | 84 | 100% | 925 | 40,800 ug/L |
| Hutchinson | no limit | 164 | 99% | 300 | 45,000 ug/L |
| Lyman | no limit | 101 | 99% | 1,470 | 11,000 ug/L |
| Stanley | no limit | 53 | 98% | 560 | 6,700 ug/L |
| Beadle | no limit | 1,359 | 98% | 980 | 5,100,000 ug/L |
| Haakon | no limit | 52 | 98% | 450 | 56,000 ug/L |
| Turner | no limit | 271 | 98% | 700 | 35,000 ug/L |
| Walworth | no limit | 90 | 98% | 510 | 21,500 ug/L |
- Clyde township, Beadle County100% detected of 1,005
- Turner township, Turner County100% detected of 37
- North Campbell UT, Campbell County100% detected of 68
- South Campbell UT, Campbell County100% detected of 98
- Swan Lake township, Turner County100% detected of 35
- Clark, Clark County100% detected of 48
- East Walworth UT, Walworth County98% detected of 50
- Warner township, Brown County98% detected of 44
- Dell Rapids township, Minnehaha County98% detected of 43
- Hurley township, Turner County97% detected of 36
- White Swan township, Charles Mix County97% detected of 33
- Clifton township, Spink County97% detected of 30
- West Yankton UT, Yankton County95% detected of 43
- New Hope township, Brown County95% detected of 39
- Sisseton township, Roberts County94% detected of 33
- Flandreau township, Moody County93% detected of 46
- West Hughes UT, Hughes County93% detected of 45
- Edison township, Minnehaha County93% detected of 205
- Aurora township, Brookings County93% detected of 42
- West Corson UT, Corson County92% detected of 48
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.