Wasatch County, UT
These figures come from wells tested in Wasatch County, UT, not from any one well.
- Iron, manganese and sulfate are not common in wells in Wasatch County, UT (1 of 23, 0 of 18 and 6 of 104 tested wells were over). Only a test tells you about your own well.
- Wells in Wasatch County, UT are typically very hard (103 wells tested).
- Only a test of your own well tells you about your water.
What to test for
Start with the four this site covers:
- iron
- manganese
- hardness
- sulfate
Most well owners also test for these. We point to the source and don't interpret the results.
- arsenic: occurs naturally in groundwater in many regions. USGS: arsenic and drinking water
- nitrate: common near farmland and septic systems. EPA: private drinking water wells
- total coliform bacteria: the standard yearly well check. EPA: private drinking water wells
- lead and copper: from household plumbing, especially when pH is below 6.5. EPA: lead in drinking water
- PFAS: several states run private-well sampling programs. EPA: PFAS
- a certified lab: states certify labs and some run their own private-well programs. Utah's certified-lab list (from your state drinking-water program)
The numbers
County figures describe the wells sampled there, not any one well. Exact counts, sample years and sources are below.
Iron Recent
| Level it's compared with | 0.3 mg/L |
|---|---|
| Share of wells over the level | 4.3% |
| Wells over the level / wells judged | 1 of 23 |
| Median | 0.013775 mg/L |
| Years sampled | 1950–2025 |
| Wells | 24 |
| Test results | 460 |
| Wells left out | 9 |
| Sources | USGS (64), UTAHDWQ_WQX (26), UTAHGS (6) |
Manganese Recent
| Level it's compared with | 0.05 mg/L |
|---|---|
| Share of wells over the level | 0.0% |
| Wells over the level / wells judged | 0 of 18 |
| Median | 0.0011 mg/L |
| Years sampled | 1963–2025 |
| Wells | 19 |
| Test results | 436 |
| Wells left out | 9 |
| Sources | USGS (61), UTAHDWQ_WQX (26), UTAHGS (1) |
Hardness Recent
| Level it's compared with | none; hardness is shown in bands |
|---|---|
| Share of wells very hard | 78% |
| Median | 223 mg/L as CaCO₃ |
| Years sampled | 1950–2025 |
| Wells | 103 |
| Test results | 437 |
| Wells left out | 17 |
| Sources | USGS (74), UTAHDWQ_WQX (23), UTAHGS (6) |
Sulfate Recent
| Level it's compared with | 250 mg/L |
|---|---|
| Share of wells over the level | 5.8% |
| Wells over the level / wells judged | 6 of 104 |
| Median | 20 mg/L |
| Years sampled | 1950–2025 |
| Wells | 104 |
| Test results | 441 |
| Wells left out | 17 |
| Sources | USGS (75), UTAHDWQ_WQX (23), UTAHGS (6) |