BIG SIOUX COMMUNITY WATER SYSTEM
SD · PWS ID SD4600429 · Community water system
50
contaminants tested
12
detected
5,800
people served
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| COPPER, FREE | 640 UG/L | 120/120 | SYR4 | 2012–2018 |
| Lead | 18 UG/L | 120/120 | SYR4 | 2012–2018 |
| LEAD SUMMARY | 0.0060 mg/L | 15/15 | LCR | 2024 |
| TTHM | 47.4 UG/L | 14/14 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 12.9 UG/L | 13/14 | SYR4 | 2012–2019 |
| Nitrate | 6000 UG/L | 10/10 | SYR4 | 2017–2019 |
| lithium | 36.1 ug/L | 6/6 | UCMR-5 | 2024 |
| Barium | 22.8 UG/L | 2/2 | SYR4 | 2012–2017 |
| Chromium | 0.7400 UG/L | 2/2 | SYR4 | 2012–2017 |
| Selenium | 3.5 UG/L | 2/2 | SYR4 | 2012–2017 |
| Antimony, Total | 0.5000 UG/L | 1/2 | SYR4 | 2012–2017 |
| Gross Alpha, Excl. Radon and U | 1.6 PCI/L | 1/2 | SYR4 | 2012–2018 |
38 contaminants tested, none detected
11Cl-PF3OUdS4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAArsenicBeryllium, TotalCadmiumCombined Radium (-226 and -228)Combined UraniumGross Beta Particle ActivityHFPO-DAMercuryNEtFOSAANFDHANMeFOSAANitritePFBAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAThallium, Total
Areas served
EGAN