Northern Prairie Wildlife Research Center
| Abundance rating = (no. of wetlands) | Ca (mg/l) | Cl (mg/l) | SO4 (g/l) | Alkalinity (mg/L CaCO3) | ||
| HCO3 | CO3 | pH | ||||
| Occasional (2) | 38 | 106 | 1.31 | 624 | 62 | 8.6 |
| (25-51) | (102-109) | (0.95-1.66) | (425-822) | (59-64) | (8.6-8.7) | |
| Fairly common (15) | 91 | 198 | 2.42 | 565 | 23 | 8.3 |
| (14-180) | (9-541) | (0.27-6.11) | (220-920) | (0-72) | (7.6-8.9) | |
| Common (9) | 145 | 554 | 4.59 | 536 | 14 | 8.0 |
| (15-346) | (94-1,250) | (2.16-9.84) | (252-977) | (0-54) | (7.4-8.4) | |
| Abundant (8) | 219 | 2,170 | 13.78 | 434 | 9 | 7.9 |
| (93-353) | (974- 5,050) | (5.07- 29.10) | (276-642) | (0-65) | (7.5-8.5) | |
aUnpublished data, Northern Prairie Science Center, Jamestown, North Dakota