SILOAM SPRINGS WATERWORKS
AR · PWS ID AR0000056 · Community water system
109
contaminants tested
23
detected
21,430
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0070 ug/L | 4/4 | 2023 |
| PFPeA | 0.0055 ug/L | 4/4 | 2023 |
| PFHxA | 0.0038 ug/L | 3/4 | 2023 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Dibromochloromethane | 12.5 UG/L | 118/120 | SYR4 | 2012–2019 |
| Bromodichloromethane | 21.4 UG/L | 114/114 | SYR4 | 2012–2019 |
| Chloroform | 63.6 UG/L | 114/114 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 28.3 UG/L | 108/108 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 53.6 UG/L | 108/108 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 22.6 UG/L | 108/108 | SYR4 | 2012–2019 |
| TTHM | 85.4 UG/L | 104/104 | SYR4 | 2012–2019 |
| Fluoride | 1000 UG/L | 99/100 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 3 UG/L | 90/108 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 3570 UG/L | 39/39 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 4.2 UG/L | 26/108 | SYR4 | 2012–2019 |
| COPPER, FREE | 160 UG/L | 22/60 | SYR4 | 2014–2017 |
| Nitrate | 2640 UG/L | 16/16 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0070 mg/L | 14/14 | LCR | 2025 |
| Monobromoacetic acid | 2 UG/L | 13/108 | SYR4 | 2012–2019 |
| Lead | 4 UG/L | 11/72 | SYR4 | 2012–2019 |
| Bromoform | 2 UG/L | 6/114 | SYR4 | 2012–2019 |
| Gross Beta Particle Activity | 4.2 PCI/L | 6/8 | SYR4 | 2012–2019 |
| Chromium | 0.3300 UG/L | 3/16 | SYR4 | 2012–2019 |
| Simazine | 0.1100 UG/L | 1/10 | SYR4 | 2012–2019 |
86 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalArsenicAtrazineBHC-GAMMABariumBenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBAPFDAPFDoAPFEESAPFHpAPFHpSPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene