HIDDEN VALLEY WATER ASSOCIATION INC
SD · PWS ID SD4600269 · Community water system
21
contaminants tested
9
detected
27
people served
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| COPPER, FREE | 205 UG/L | 15/15 | SYR4 | 2012–2018 |
| Lead | 13 UG/L | 15/15 | SYR4 | 2012–2018 |
| LEAD SUMMARY | 0.0120 mg/L | 14/14 | LCR | 2024 |
| Nitrate | 905 UG/L | 4/6 | SYR4 | 2017–2019 |
| Barium | 514 UG/L | 1/1 | SYR4 | 2012 |
| Chromium | 2 UG/L | 1/1 | SYR4 | 2012 |
| Fluoride | 200 UG/L | 1/1 | SYR4 | 2012 |
| Gross Alpha, Excl. Radon and U | 2.9 PCI/L | 1/1 | SYR4 | 2012 |
| TTHM | 2.32 UG/L | 1/4 | SYR4 | 2012–2018 |
12 contaminants tested, none detected
Antimony, TotalArsenicBeryllium, TotalCadmiumCombined Radium (-226 and -228)Combined UraniumGross Beta Particle ActivityMercuryNitriteSeleniumThallium, TotalTotal Haloacetic Acids (HAA5)
Areas served
RAPID CITY