Table 5. Summary of water-quality data for ground-water samples collected from wells completed in the Wasatch aquifer
[MRL, minimum reporting level; °C, degrees Celsius; NA, not applicable; µS/cm, microsiemens per centimeter; mg/L, milligrams per liter; CaCO3, calcium carbonate]
|
Characteristic or constituent |
Number of detections/number of samples |
Highest MRL |
Minimum |
50th percentile (Median) |
Maximum |
|---|---|---|---|---|---|
|
Physical characteristics |
|||||
|
Water temperature, field measurement (°C) |
8/8 |
NA |
14 |
18 |
20 |
|
pH, field measurement (standard units) |
8/8 |
0.1 |
7.2 |
7.8 |
8.9 |
|
General mineral characteristics |
|||||
|
Acid-neutralizing capacity (ANC), laboratory (mg/L as CaCO3) |
7/7 |
1.0 |
129 |
378 |
1,020 |
|
Specific conductance, field measurement (µS/cm at 25°C) |
8/8 |
1.0 |
438 |
1,382 |
4,330 |
|
Dissolved solids, calculated sum (mg/L) |
7/7 |
NA |
263 |
1,010 |
4,020 |
|
Hardness, total (mg/L as CaCO3) |
8/8 |
NA |
22 |
97.5 |
2,500 |
|
Sodium-adsorption ratio (SAR) |
8/8 |
NA |
2 |
9 |
13 |
|
Major ions, in milligrams per liter, dissolved (sample filtered through 0.45-micrometer disposable cartridge filter) |
|||||
|
Calcium |
8/8 |
0.02 |
6.2 |
15.5 |
550 |
|
Magnesium |
8/8 |
0.01 |
1.5 |
15.4 |
280 |
|
Sodium |
8/8 |
0.09 |
97 |
225 |
480 |
|
Potassium |
8/8 |
0.24 |
2.2 |
9.4 |
18 |
|
Bicarbonate, calculated from ANC1 |
7/7 |
NA |
157 |
461 |
1,244 |
|
Chloride |
7/8 |
0.3 |
5 |
9.6 |
18 |
|
Sulfate |
8/8 |
0.3 |
10 |
130 |
2,700 |
|
Fluoride |
7/8 |
0.1 |
0.3 |
0.85 |
1.5 |
|
Silica |
8/8 |
0.1 |
8 |
10 |
17 |
1Equivalent bicarbonate concentrations calculated from acid-neutralizing capacity (ANC) concentrations by dividing ANC concentrations (expressed as milligrams per liter of calcium carbonate) by 0.8202 (Hem, 1985, p. 57).
